scratch – Blame information for rev 87
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Rev | Author | Line No. | Line |
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87 | office | 1 | <?php |
2 | /** Copyright (C) Fusonic GmbH (http://www.fusonic.net) 2013, All rights reserved. */ |
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3 | |||
4 | use Fusonic\Linq\Linq; |
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5 | |||
6 | /** |
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7 | * Interface for test purposes only. |
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8 | */ |
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9 | interface StubInterface |
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10 | { |
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11 | } |
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12 | |||
13 | /** |
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14 | * Class for test purposes only. |
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15 | */ |
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16 | final class Stub |
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17 | implements |
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18 | StubInterface |
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19 | { |
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20 | } |
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21 | |||
22 | /** |
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23 | * Class for test purposes only. |
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24 | */ |
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25 | final class StubWithoutInterface |
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26 | { |
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27 | } |
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28 | |||
29 | class LinqTest extends PHPUnit_Framework_TestCase |
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30 | { |
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31 | const ExceptionName_UnexpectedValue = "UnexpectedValueException"; |
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32 | const ExceptionName_InvalidArgument = "InvalidArgumentException"; |
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33 | const ExceptionName_OutOfRange = "OutOfRangeException"; |
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34 | const ExceptionName_Runtime = "RuntimeException"; |
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35 | |||
36 | /** Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. |
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37 | */ |
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38 | public function testSingle_TestBehaviour() |
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39 | { |
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40 | // more than one |
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41 | $items = array(1, 2); |
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42 | $this->assertException(function() use ($items) { |
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43 | Linq::from($items)->single(); |
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44 | }); |
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45 | |||
46 | // no matching elements |
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47 | $items = array(); |
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48 | $this->assertException(function() use ($items) { |
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49 | Linq::from($items)->single(); |
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50 | }); |
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51 | |||
52 | // OK |
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53 | $items = array(77); |
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54 | $this->assertSame(77, Linq::from($items)->single()); |
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55 | |||
56 | // With closure |
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57 | |||
58 | // more than one |
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59 | $items = array(1, 2); |
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60 | $this->assertException(function() use ($items) { |
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61 | Linq::from($items)->single(function($x) { return true; }); |
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62 | }); |
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63 | |||
64 | // no matching elements |
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65 | // because of false closure |
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66 | $this->assertException(function() use ($items) { |
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67 | Linq::from($items)->single(function($x) { return false; }); |
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68 | }); |
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69 | |||
70 | // because of empty array |
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71 | $items = array(); |
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72 | $this->assertException(function() use ($items) { |
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73 | Linq::from($items)->single(function($x) { return true; }); |
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74 | }); |
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75 | |||
76 | // OK |
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77 | $items = array(77); |
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78 | $this->assertSame(77, Linq::from($items)->single(function($x) { return true; })); |
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79 | } |
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80 | |||
81 | public function testCount_ReturnsCorrectAmounts() |
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82 | { |
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83 | $items = array(1, 2); |
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84 | $this->assertEquals(2, Linq::from($items)->count()); |
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85 | |||
86 | $items = array(1, 2); |
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87 | $this->assertEquals(1, Linq::from($items)->where(function($x) { |
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88 | return $x == 2; |
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89 | })->count()); |
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90 | |||
91 | $items = array(1, 2); |
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92 | $this->assertEquals(0, Linq::from($items)->where(function($x) { |
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93 | return false; |
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94 | })->count()); |
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95 | |||
96 | $items = array(); |
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97 | $this->assertEquals(0, Linq::from($items)->count()); |
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98 | } |
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99 | |||
100 | /** Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; |
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101 | * this method throws an exception if more than one element satisfies the condition. |
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102 | */ |
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103 | public function testSingleOrNull_TestBehaviour() |
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104 | { |
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105 | // more than one |
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106 | $items = array(1, 2); |
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107 | $this->assertException(function() use ($items) { |
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108 | Linq::from($items)->singleOrNull(); |
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109 | }); |
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110 | |||
111 | // no matching elements |
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112 | $items = array(); |
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113 | $this->assertNull(Linq::from($items)->singleOrNull()); |
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114 | |||
115 | // OK |
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116 | $items = array(77); |
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117 | $this->assertSame(77, Linq::from($items)->singleOrNull()); |
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118 | |||
119 | // With closure |
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120 | |||
121 | // more than one |
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122 | $items = array(1, 2); |
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123 | $this->assertException(function() use ($items) { |
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124 | Linq::from($items)->singleOrNull(function($x) { return true; }); |
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125 | }); |
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126 | |||
127 | // no matching elements |
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128 | // because of false closure |
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129 | $this->assertNull(Linq::from($items)->singleOrNull(function($x) { return false; })); |
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130 | |||
131 | // because of empty array |
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132 | $items = array(); |
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133 | $this->assertNull(Linq::from($items)->singleOrNull()); |
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134 | |||
135 | // OK |
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136 | $items = array(77); |
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137 | $this->assertSame(77, Linq::from($items)->singleOrNull(function($x) { return true; })); |
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138 | } |
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139 | |||
140 | /** Returns the first element in a sequence that satisfies a specified condition. |
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141 | * |
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142 | * Exceptions: |
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143 | * No element satisfies the condition in predicate. |
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144 | -or- |
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145 | The source sequence is empty. |
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146 | */ |
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147 | public function testFirst_TestBehaviour() |
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148 | { |
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149 | $a = new stdClass(); |
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150 | $a->value = "a"; |
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151 | |||
152 | $b1 = new stdClass(); |
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153 | $b1->value = "b"; |
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154 | |||
155 | $b2 = new stdClass(); |
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156 | $b2->value = "b"; |
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157 | |||
158 | $c = new stdClass(); |
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159 | $c->value = "c"; |
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160 | |||
161 | // more than one |
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162 | $items = array($a, $b1, $b2, $c); |
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163 | $this->assertSame($a, Linq::from($items)->first()); |
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164 | |||
165 | // no matching elements |
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166 | $items = array(); |
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167 | $this->assertException(function() use ($items) { |
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168 | Linq::from($items)->first(); |
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169 | }); |
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170 | |||
171 | $items = array($a); |
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172 | $this->assertSame($a, Linq::from($items)->first()); |
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173 | |||
174 | // #### With closures ### |
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175 | |||
176 | // more than one |
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177 | $items = array($a, $b1, $b2, $c); |
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178 | $this->assertSame($b1, Linq::from($items)->first(function($x) { return $x->value == "b"; })); |
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179 | |||
180 | // no matching elements |
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181 | // because of false closure |
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182 | $this->assertException(function() use ($items) { |
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183 | Linq::from($items)->first(function($x) { return false; }); |
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184 | }); |
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185 | |||
186 | // because of empty array |
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187 | $items = array(); |
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188 | $this->assertException(function() use ($items) { |
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189 | Linq::from($items)->first(function($x) { return true; }); |
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190 | }); |
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191 | |||
192 | // OK |
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193 | $items = array($a); |
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194 | $this->assertSame($a, Linq::from($items)->first(function($x) { return true; })); |
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195 | } |
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196 | |||
197 | /** |
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198 | * Returns the first element of a sequence, or a default value if the sequence contains no elements. |
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199 | */ |
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200 | public function testFirstOrNull_DoesReturnTheFirstElement_OrNull_DoesNotThrowExceptions() |
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201 | { |
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202 | $a = new stdClass(); |
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203 | $a->value = "a"; |
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204 | |||
205 | $b1 = new stdClass(); |
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206 | $b1->value = "b"; |
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207 | |||
208 | $b2 = new stdClass(); |
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209 | $b2->value = "b"; |
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210 | |||
211 | $c = new stdClass(); |
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212 | $c->value = "c"; |
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213 | |||
214 | $items = array($a, $b1, $b2, $c); |
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215 | $this->assertSame($a, Linq::from($items)->firstOrNull()); |
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216 | |||
217 | $items = array(); |
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218 | $this->assertNull(Linq::from($items)->firstOrNull()); |
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219 | |||
220 | // #### With closures ### |
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221 | |||
222 | $items = array($a, $b1, $b2, $c); |
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223 | $this->assertSame($b1, Linq::from($items)->firstOrNull(function($x) { return $x->value == "b"; })); |
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224 | |||
225 | $items = array($a, $b1, $b2, $c); |
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226 | $this->assertSame($c, Linq::from($items)->firstOrNull(function($x) { return $x->value == "c"; })); |
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227 | |||
228 | $items = array(); |
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229 | $this->assertNull(Linq::from($items)->firstOrNull(function($x) { return true; })); |
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230 | } |
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231 | |||
232 | |||
233 | public function testLast_DoesReturnTheLastElement_OrThrowsExceptions() |
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234 | { |
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235 | $a = new stdClass(); |
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236 | $a->value = "a"; |
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237 | |||
238 | $b1 = new stdClass(); |
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239 | $b1->value = "b"; |
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240 | |||
241 | $b2 = new stdClass(); |
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242 | $b2->value = "b"; |
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243 | |||
244 | $c = new stdClass(); |
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245 | $c->value = "c"; |
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246 | |||
247 | // more than one |
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248 | $items = array($a, $b1, $b2, $c); |
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249 | $last = Linq::from($items)->last(); |
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250 | $this->assertSame($c, $last); |
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251 | |||
252 | // no matching elements |
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253 | $items = array(); |
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254 | $this->assertException(function() use ($items) { |
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255 | Linq::from($items)->last(); |
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256 | }); |
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257 | |||
258 | $items = array($a); |
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259 | $this->assertSame($a, Linq::from($items)->last()); |
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260 | |||
261 | // #### With closures ### |
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262 | |||
263 | // more than one |
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264 | $items = array($a, $b1, $b2, $c); |
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265 | $this->assertSame($b2, Linq::from($items)->last(function($x) { return $x->value == "b"; })); |
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266 | |||
267 | // no matching elements |
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268 | // because of false closure |
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269 | $this->assertException(function() use ($items) { |
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270 | Linq::from($items)->last(function($x) { return false; }); |
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271 | }); |
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272 | |||
273 | // because of empty array |
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274 | $items = array(); |
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275 | $this->assertException(function() use ($items) { |
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276 | Linq::from($items)->last(function($x) { return true; }); |
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277 | }); |
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278 | |||
279 | // OK |
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280 | $items = array($a); |
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281 | $this->assertSame($a, Linq::from($items)->last(function($x) { return true; })); |
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282 | } |
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283 | |||
284 | public function testLastOrDefault_DoesReturnTheLastElement_OrNull_DoesNotThrowExceptions() |
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285 | { |
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286 | $a = new stdClass(); |
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287 | $a->value = "a"; |
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288 | |||
289 | $b1 = new stdClass(); |
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290 | $b1->value = "b"; |
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291 | |||
292 | $b2 = new stdClass(); |
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293 | $b2->value = "b"; |
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294 | |||
295 | $c = new stdClass(); |
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296 | $c->value = "c"; |
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297 | |||
298 | $items = array($a, $b1, $b2, $c); |
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299 | $this->assertSame($c, Linq::from($items)->lastOrNull()); |
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300 | |||
301 | $items = array(); |
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302 | $this->assertNull(Linq::from($items)->lastOrNull()); |
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303 | |||
304 | // #### With closures ### |
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305 | |||
306 | $items = array($a, $b1, $b2, $c); |
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307 | $this->assertSame($c, Linq::from($items)->lastOrNull(function($x) { return true; })); |
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308 | |||
309 | $items = array($a, $b1, $b2, $c); |
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310 | $this->assertSame($b2, Linq::from($items)->lastOrNull(function($x) { return $x->value == "b"; })); |
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311 | |||
312 | $items = array(); |
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313 | $this->assertNull(Linq::from($items)->lastOrNull(function($x) { return true; })); |
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314 | } |
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315 | |||
316 | public function testWhere_ReturnsOnlyValuesMatching() |
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317 | { |
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318 | $a = new stdClass(); |
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319 | $a->value = "a"; |
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320 | |||
321 | $b1 = new stdClass(); |
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322 | $b1->value = "b"; |
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323 | |||
324 | $b2 = new stdClass(); |
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325 | $b2->value = "b"; |
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326 | |||
327 | $c = new stdClass(); |
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328 | $c->value = "c"; |
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329 | |||
330 | $items = array($a, $b1, $b2, $c); |
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331 | $matching = Linq::from($items)->where(function ($v) { return false; }); |
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332 | $this->assertTrue($matching instanceof Linq); |
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333 | |||
334 | $matching = $matching->toArray(); |
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335 | |||
336 | $this->assertEquals(0, count($matching)); |
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337 | |||
338 | $matching = Linq::from($items)->where(function ($v) { return true; })->toArray(); |
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339 | $this->assertEquals(4, count($matching)); |
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340 | $this->assertTrue(in_array($a, (array)$matching)); |
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341 | $this->assertTrue(in_array($b1, (array)$matching)); |
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342 | $this->assertTrue(in_array($b2, (array)$matching)); |
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343 | $this->assertTrue(in_array($c, (array)$matching)); |
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344 | |||
345 | $matching = Linq::from($items)->where(function ($v) { return $v->value == "b"; })->toArray(); |
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346 | $this->assertEquals(2, count($matching)); |
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347 | $this->assertFalse(in_array($a, (array)$matching)); |
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348 | $this->assertTrue(in_array($b1, (array)$matching)); |
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349 | $this->assertTrue(in_array($b2, (array)$matching)); |
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350 | $this->assertFalse(in_array($c, (array)$matching)); |
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351 | } |
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352 | |||
353 | public function testWhere_ThrowsExceptionIfPredicateDoesNotReturnABoolean() |
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354 | { |
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355 | $this->assertException(function() |
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356 | { |
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357 | $items = array("1", "2", "3"); |
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358 | $matching = Linq::from($items)->where(function ($v) { return "NOT A BOOLEAN"; }); |
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359 | $matching->toArray(); |
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360 | }, self::ExceptionName_UnexpectedValue); |
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361 | } |
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362 | |||
363 | public function testWhere_DoesLazyEvaluation() |
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364 | { |
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365 | $eval = false; |
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366 | $items = array("1", "2", "3"); |
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367 | $matching = Linq::from($items)->where(function ($v) use(&$eval) |
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368 | { |
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369 | $eval = true; |
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370 | return true; |
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371 | }); |
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372 | |||
373 | $this->assertFalse($eval, "SelectMany did execute before iterating!"); |
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374 | $matching->toArray(); |
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375 | $this->assertTrue($eval); |
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376 | } |
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377 | |||
378 | public function testWhere_EmptySequence_ReturnsEmptySequence() |
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379 | { |
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380 | $items = array(); |
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381 | $matching = Linq::from($items)->where(function ($v) |
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382 | { |
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383 | return true; |
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384 | }); |
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385 | |||
386 | $this->assertEquals(0, $matching->count()); |
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387 | $array = $matching->toArray(); |
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388 | $this->assertEquals(0, count($array)); |
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389 | } |
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390 | |||
391 | public function testCountable_implementedSqlInterface() |
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392 | { |
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393 | $items = array(1,2,3); |
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394 | |||
395 | $matching = Linq::from($items); |
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396 | |||
397 | $this->assertEquals(3, count($matching)); |
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398 | $this->assertEquals(3, $matching->count()); |
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399 | } |
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400 | |||
401 | public function testSkipWithTake_Combined_SkipAndTakeValuesByAmount() |
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402 | { |
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403 | $items = array("a", "b", "c", "d", "e", "f"); |
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404 | $matching = Linq::from($items)->skip(2)->take(0); |
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405 | $this->assertEquals(0, $matching->count()); |
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406 | |||
407 | $matching = Linq::from($items)->skip(0)->take(0); |
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408 | $this->assertEquals(0, $matching->count()); |
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409 | |||
410 | $matching = Linq::from($items)->skip(0)->take(2); |
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411 | $this->assertEquals(2, $matching->count()); |
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412 | $array = $matching->toArray(); |
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413 | $this->assertEquals("a", $array[0]); |
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414 | $this->assertEquals("b", $array[1]); |
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415 | |||
416 | $matching = Linq::from($items)->skip(2)->take(2); |
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417 | $this->assertEquals(2, $matching->count()); |
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418 | $array = $matching->toArray(); |
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419 | $this->assertEquals("c", $array[0]); |
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420 | $this->assertEquals("d", $array[1]); |
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421 | |||
422 | $matching = Linq::from($items)->skip(4)->take(99); |
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423 | $this->assertEquals(2, $matching->count()); |
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424 | $array = $matching->toArray(); |
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425 | $this->assertEquals("e", $array[0]); |
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426 | $this->assertEquals("f", $array[1]); |
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427 | } |
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428 | |||
429 | public function testTakeSkip_Combined_TakeAndSkipValuesByAmount() |
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430 | { |
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431 | $items = array("a", "b", "c", "d", "e", "f"); |
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432 | $matching = Linq::from($items)->take(0)->skip(0); |
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433 | $this->assertEquals(0, $matching->count()); |
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434 | |||
435 | $matching = Linq::from($items)->take(2)->skip(2); |
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436 | $this->assertEquals(0, $matching->count()); |
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437 | |||
438 | $matching = Linq::from($items)->take(2)->skip(0); |
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439 | $this->assertEquals(2, $matching->count()); |
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440 | $array = $matching->toArray(); |
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441 | $this->assertEquals("a", $array[0]); |
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442 | $this->assertEquals("b", $array[1]); |
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443 | } |
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444 | |||
445 | public function testSkip_SkipValuesByAmount() |
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446 | { |
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447 | $items = array("a", "b", "c", "d", "e", "f"); |
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448 | $matching = Linq::from($items)->skip(2); |
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449 | $this->assertTrue($matching instanceof Linq); |
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450 | |||
451 | $this->assertEquals(4, $matching->count()); |
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452 | $matching = $matching->toArray(); |
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453 | |||
454 | $this->assertTrue(in_array("c", $matching)); |
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455 | $this->assertTrue(in_array("d", $matching)); |
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456 | $this->assertTrue(in_array("e", $matching)); |
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457 | $this->assertTrue(in_array("f", $matching)); |
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458 | |||
459 | $items = array("a", "b", "c", "d", "e", "f"); |
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460 | |||
461 | $matching = Linq::from($items)->skip(0); |
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462 | $this->assertEquals(6, $matching->count()); |
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463 | $array = $matching->toArray(); |
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464 | $this->assertEquals("a", $array[0]); |
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465 | $this->assertEquals("b", $array[1]); |
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466 | $this->assertEquals("c", $array[2]); |
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467 | $this->assertEquals("d", $array[3]); |
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468 | $this->assertEquals("e", $array[4]); |
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469 | $this->assertEquals("f", $array[5]); |
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470 | |||
471 | $matching = Linq::from($items)->skip(5); |
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472 | $this->assertEquals(1, $matching->count()); |
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473 | $array = $matching->toArray(); |
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474 | $this->assertEquals("f", $array[0]); |
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475 | |||
476 | $matching = Linq::from($items)->skip(6); |
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477 | $this->assertEquals(0, $matching->count()); |
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478 | |||
479 | $matching = Linq::from($items)->skip(7); |
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480 | $this->assertEquals(0, $matching->count()); |
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481 | |||
482 | // Test against empty sequence: |
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483 | |||
484 | $matching = Linq::from(array())->skip(0); |
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485 | $this->assertEquals(0, $matching->count()); |
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486 | |||
487 | $matching = Linq::from(array())->skip(6); |
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488 | $this->assertEquals(0, $matching->count()); |
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489 | } |
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490 | |||
491 | public function testTake_TakeValuesByAmount() |
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492 | { |
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493 | $items = array("a", "b", "c", "d", "e", "f"); |
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494 | $matching = Linq::from($items)->take(4); |
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495 | $this->assertTrue($matching instanceof Linq); |
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496 | |||
497 | $this->assertEquals(4, $matching->count()); |
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498 | $matching = $matching->toArray(); |
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499 | $this->assertTrue(in_array("a", $matching)); |
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500 | $this->assertTrue(in_array("b", $matching)); |
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501 | $this->assertTrue(in_array("c", $matching)); |
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502 | $this->assertTrue(in_array("d", $matching)); |
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503 | |||
504 | $matching = Linq::from($items)->take(0); |
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505 | $this->assertEquals(0, $matching->count()); |
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506 | } |
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507 | |||
508 | public function testAll_WorksCorrectly() |
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509 | { |
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510 | // All must always return true on empty sequences: |
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511 | $items = array(); |
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512 | $all = Linq::from($items)->all(function($v) { return true; }); |
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513 | $this->assertTrue($all); |
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514 | |||
515 | $all = Linq::from($items)->all(function($v) { return false; }); |
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516 | $this->assertTrue($all); |
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517 | |||
518 | // Test with values: |
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519 | $items = array("a", "b"); |
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520 | $all = Linq::from($items)->all(function($v) { return $v == "a"; }); |
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521 | $this->assertFalse($all); |
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522 | |||
523 | $all = Linq::from($items)->all(function($v) { return $v == "a" || $v == "b"; }); |
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524 | $this->assertTrue($all); |
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525 | } |
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526 | |||
527 | public function testAny_WithFunc_CorrectResults() |
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528 | { |
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529 | // Any must always return false on empty sequences: |
||
530 | $items = array(); |
||
531 | $any = Linq::from($items)->any(function($v) { return true; }); |
||
532 | $this->assertFalse($any); |
||
533 | |||
534 | $any = Linq::from($items)->any(function($v) { return false; }); |
||
535 | $this->assertFalse($any); |
||
536 | |||
537 | // Test with values: |
||
538 | $items = array("a", "b"); |
||
539 | $any = Linq::from($items)->any(function($v) { return $v == "not existing"; }); |
||
540 | $this->assertFalse($any); |
||
541 | |||
542 | $any = Linq::from($items)->any(function($v) { return $v == "a"; }); |
||
543 | $this->assertTrue($any); |
||
544 | } |
||
545 | |||
546 | public function testAny_WithoutFunc_CorrectResults() |
||
547 | { |
||
548 | $items = array(); |
||
549 | $this->assertFalse(Linq::from($items)->any()); |
||
550 | |||
551 | $items = array("a"); |
||
552 | $this->assertTrue(Linq::from($items)->any()); |
||
553 | |||
554 | $items = array("a", "b", "c"); |
||
555 | $this->assertTrue(Linq::from($items)->any()); |
||
556 | } |
||
557 | |||
558 | public function testAverage_throwsExceptionIfClosureReturnsNotNumericValue() |
||
559 | { |
||
560 | $this->assertException(function() { |
||
561 | $items = array(2, new stdClass()); |
||
562 | Linq::from($items)->average(); |
||
563 | }, self::ExceptionName_UnexpectedValue); |
||
564 | |||
565 | $this->assertException(function() { |
||
566 | $items = array(2, "no numeric value"); |
||
567 | Linq::from($items)->average(); |
||
568 | }, self::ExceptionName_UnexpectedValue); |
||
569 | |||
570 | $this->assertException(function() { |
||
571 | $cls = new stdClass(); |
||
572 | $cls->value = "no numeric value"; |
||
573 | $items = array($cls); |
||
574 | Linq::from($items)->average(function($x) { return $x->value; }); |
||
575 | }, self::ExceptionName_UnexpectedValue); |
||
576 | } |
||
577 | |||
578 | public function testAverage_CalculatesCorrectAverage() |
||
579 | { |
||
580 | $items = array(2, 4, 6); |
||
581 | $avg = Linq::from($items)->average(); |
||
582 | $this->assertEquals(4, $avg); |
||
583 | |||
584 | $items = array(2.5, 2.5); |
||
585 | $avg = Linq::from($items)->average(); |
||
586 | $this->assertEquals(2.5, $avg); |
||
587 | |||
588 | $items = array(2, "4", "6"); |
||
589 | $avg = Linq::from($items)->average(); |
||
590 | $this->assertEquals(4, $avg); |
||
591 | |||
592 | $items = array(2, 4, 6); |
||
593 | $avg = Linq::from($items)->average(function($v) { return 1; }); |
||
594 | $this->assertEquals(1, $avg); |
||
595 | |||
596 | $items = array(2.5, 2.5); |
||
597 | $avg = Linq::from($items)->average(function($v) { return $v; }); |
||
598 | $this->assertEquals(2.5, $avg); |
||
599 | |||
600 | $a = new stdClass(); |
||
601 | $a->value = 2; |
||
602 | |||
603 | $b = new stdClass(); |
||
604 | $b->value = "4"; |
||
605 | |||
606 | $c = new stdClass(); |
||
607 | $c->value = "6"; |
||
608 | |||
609 | $items = array($a, $b, $c); |
||
610 | $avg = Linq::from($items)->average(function($v) { return $v->value; }); |
||
611 | $this->assertEquals(4, $avg); |
||
612 | } |
||
613 | |||
614 | public function testOrderBy_NumericValues_WithSelector_ReturnsOrderedObjects() |
||
615 | { |
||
616 | $a = new stdClass(); $a->value = 77; |
||
617 | $b = new stdClass(); $b->value = 10; |
||
618 | $c = new stdClass(); $c->value = 20; |
||
619 | $items = array($a, $b, $c); |
||
620 | |||
621 | $ascending = Linq::from($items)->orderBy(function($x) |
||
622 | { |
||
623 | return $x->value; |
||
624 | }); |
||
625 | $this->assertEquals(3, $ascending->count()); |
||
626 | $items = $ascending->toArray(); |
||
627 | |||
628 | $this->assertSame($b, $items[0]); |
||
629 | $this->assertSame($c, $items[1]); |
||
630 | $this->assertSame($a, $items[2]); |
||
631 | |||
632 | $a = new stdClass(); $a->value = 77; |
||
633 | $b = new stdClass(); $b->value = 10.44; |
||
634 | $c = new stdClass(); $c->value = 20; |
||
635 | $d = new stdClass(); $d->value = 20; |
||
636 | $items = array($a, $b, $c, $d); |
||
637 | |||
638 | $ascending = Linq::from($items)->orderBy(function($x) { return $x->value; }); |
||
639 | $this->assertEquals(4, $ascending->count()); |
||
640 | $items = $ascending->toArray(); |
||
641 | |||
642 | $this->assertSame($b, $items[0]); |
||
643 | |||
644 | // It is not predictable in which order objects with the same order key are ordered, both positions are valid: |
||
645 | $pos1 = $items[1]; |
||
646 | $pos2 = $items[2]; |
||
647 | $this->assertTrue($pos1 === $d || $pos1 === $c); |
||
648 | $this->assertTrue($pos1 === $d || $pos1 === $c); |
||
649 | $this->assertNotsame($pos1, $pos2); |
||
650 | |||
651 | $this->assertSame($a, $items[3]); |
||
652 | } |
||
653 | |||
654 | public function testOrderBy_NumericValues_ReturnsCorrectOrders() |
||
655 | { |
||
656 | $items = array(77, 10, 20); |
||
657 | $ascending = Linq::from($items)->orderBy(function($x) { return $x; }); |
||
658 | $this->assertTrue($ascending instanceof Linq); |
||
659 | |||
660 | $ascending = $ascending->toArray(); |
||
661 | |||
662 | $this->assertEquals(10, $ascending[0]); |
||
663 | $this->assertEquals(20, $ascending[1]); |
||
664 | $this->assertEquals(77, $ascending[2]); |
||
665 | |||
666 | // Verify that original collection is unmodified: |
||
667 | $this->assertEquals(77, $items[0]); |
||
668 | $this->assertEquals(10, $items[1]); |
||
669 | $this->assertEquals(20, $items[2]); |
||
670 | |||
671 | $items = array(12.33, 8.21, 11.3, 8.21, 33); |
||
672 | $ascending = Linq::from($items)->orderBy(function($x) { return $x; }); |
||
673 | |||
674 | $ascending = $ascending->toArray(); |
||
675 | $this->assertEquals(8.21, $ascending[0]); |
||
676 | $this->assertEquals(8.21, $ascending[1]); |
||
677 | $this->assertEquals(11.3, $ascending[2]); |
||
678 | $this->assertEquals(12.33, $ascending[3]); |
||
679 | $this->assertEquals(33, $ascending[4]); |
||
680 | } |
||
681 | |||
682 | public function testOrderBy_StringValues_ReturnsCorrectOrders() |
||
683 | { |
||
684 | $items = array("e", "a", "c"); |
||
685 | $ascending = Linq::from($items)->orderBy(function($x) { return $x; }); |
||
686 | $this->assertTrue($ascending instanceof Linq); |
||
687 | |||
688 | $ascending = $ascending->toArray(); |
||
689 | $this->assertEquals("a", $ascending[0]); |
||
690 | $this->assertEquals("c", $ascending[1]); |
||
691 | $this->assertEquals("e", $ascending[2]); |
||
692 | |||
693 | // Verify that original collection is unmodified: |
||
694 | $this->assertEquals("e", $items[0]); |
||
695 | $this->assertEquals("a", $items[1]); |
||
696 | $this->assertEquals("c", $items[2]); |
||
697 | } |
||
698 | |||
699 | public function testOrderBy_DateTimeValues_ReturnsCorrectOrders() |
||
700 | { |
||
701 | $items = array(new DateTime("27.10.2011"), new DateTime("03.04.2012"), new DateTime("01.01.2005")); |
||
702 | $ascending = Linq::from($items)->orderBy(function($x) { return $x; }); |
||
703 | $this->assertTrue($ascending instanceof Linq); |
||
704 | $ascending = $ascending->toArray(); |
||
705 | |||
706 | $this->assertEquals(new DateTime("01.01.2005"), $ascending[0]); |
||
707 | $this->assertEquals(new DateTime("27.10.2011"), $ascending[1]); |
||
708 | $this->assertEquals(new DateTime("03.04.2012"), $ascending[2]); |
||
709 | |||
710 | // Verify that original collection is unmodified: |
||
711 | $this->assertEquals(new DateTime("27.10.2011"), $items[0]); |
||
712 | $this->assertEquals(new DateTime("03.04.2012"), $items[1]); |
||
713 | $this->assertEquals(new DateTime("01.01.2005"), $items[2]); |
||
714 | } |
||
715 | |||
716 | public function testOrderByDescending_NumericValues_ReturnsCorrectOrders() |
||
717 | { |
||
718 | $items = array(77, 10, 20); |
||
719 | $desc = Linq::from($items)->orderByDescending(function($x) { return $x; }); |
||
720 | $this->assertTrue($desc instanceof Linq); |
||
721 | $desc = $desc->toArray(); |
||
722 | |||
723 | $this->assertEquals(77, $desc[0]); |
||
724 | $this->assertEquals(20, $desc[1]); |
||
725 | $this->assertEquals(10, $desc[2]); |
||
726 | |||
727 | // Verify that original collection is unmodified: |
||
728 | $this->assertEquals(77, $items[0]); |
||
729 | $this->assertEquals(10, $items[1]); |
||
730 | $this->assertEquals(20, $items[2]); |
||
731 | |||
732 | $items = array(12.33, 8.21, 11.3, 8.21, 33); |
||
733 | $desc = Linq::from($items)->orderByDescending(function($x) { return $x; }); |
||
734 | $desc = $desc->toArray(); |
||
735 | $this->assertEquals(33, $desc[0]); |
||
736 | $this->assertEquals(12.33, $desc[1]); |
||
737 | $this->assertEquals(11.3, $desc[2]); |
||
738 | $this->assertEquals(8.21, $desc[3]); |
||
739 | $this->assertEquals(8.21, $desc[4]); |
||
740 | } |
||
741 | |||
742 | public function testOrderByDescending_NumericValues_WithSelector_ReturnsOrderedObjects() |
||
743 | { |
||
744 | $a = new stdClass(); $a->value = 77; |
||
745 | $b = new stdClass(); $b->value = 10; |
||
746 | $c = new stdClass(); $c->value = 20; |
||
747 | $items = array($a, $b, $c); |
||
748 | |||
749 | $ascending = Linq::from($items)->orderByDescending(function($x) { return $x->value; }); |
||
750 | $this->assertEquals(3, $ascending->count()); |
||
751 | $items = $ascending->toArray(); |
||
752 | |||
753 | $this->assertSame($a, $items[0]); |
||
754 | $this->assertSame($c, $items[1]); |
||
755 | $this->assertSame($b, $items[2]); |
||
756 | |||
757 | $a = new stdClass(); $a->value = 77; |
||
758 | $b = new stdClass(); $b->value = 10.44; |
||
759 | $c = new stdClass(); $c->value = 20; |
||
760 | $d = new stdClass(); $d->value = 20; |
||
761 | $items = array($a, $b, $c, $d); |
||
762 | |||
763 | $ascending = Linq::from($items)->orderByDescending(function($x) { return $x->value; }); |
||
764 | $this->assertEquals(4, $ascending->count()); |
||
765 | $items = $ascending->toArray(); |
||
766 | |||
767 | $this->assertSame($a, $items[0]); |
||
768 | $this->assertSame($c, $items[1]); |
||
769 | |||
770 | // It is not predictable in which order objects with the same order key are ordered, both positions are valid: |
||
771 | $pos1 = $items[2]; |
||
772 | $pos2 = $items[3]; |
||
773 | $this->assertTrue($pos1 === $d || $pos1 === $c); |
||
774 | $this->assertTrue($pos1 === $d || $pos1 === $c); |
||
775 | $this->assertNotsame($pos1, $pos2); |
||
776 | } |
||
777 | |||
778 | public function testOrderByDescending_DateTimeValues_ReturnsCorrectOrders() |
||
779 | { |
||
780 | $items = array(new DateTime("27.10.2011"), new DateTime("03.04.2012"), new DateTime("01.01.2005")); |
||
781 | $desc = Linq::from($items)->orderByDescending(function($x) { return $x; }); |
||
782 | $this->assertTrue($desc instanceof Linq); |
||
783 | $desc = $desc->toArray(); |
||
784 | |||
785 | $this->assertEquals(new DateTime("03.04.2012"), $desc[0]); |
||
786 | $this->assertEquals(new DateTime("27.10.2011"), $desc[1]); |
||
787 | $this->assertEquals(new DateTime("01.01.2005"), $desc[2]); |
||
788 | |||
789 | // Verify that original collection is unmodified: |
||
790 | $this->assertEquals(new DateTime("27.10.2011"), $items[0]); |
||
791 | $this->assertEquals(new DateTime("03.04.2012"), $items[1]); |
||
792 | $this->assertEquals(new DateTime("01.01.2005"), $items[2]); |
||
793 | } |
||
794 | |||
795 | public function testOrderBy_Descending_StringValues_ReturnsCorrectOrders() |
||
796 | { |
||
797 | $items = array("e", "a", "c"); |
||
798 | $desc = Linq::from($items)->orderByDescending(function($x) { return $x; }); |
||
799 | $this->assertTrue($desc instanceof Linq); |
||
800 | $desc = $desc->toArray(); |
||
801 | |||
802 | $this->assertEquals("e", $desc[0]); |
||
803 | $this->assertEquals("c", $desc[1]); |
||
804 | $this->assertEquals("a", $desc[2]); |
||
805 | |||
806 | // Verify that original collection is unmodified: |
||
807 | $this->assertEquals("e", $items[0]); |
||
808 | $this->assertEquals("a", $items[1]); |
||
809 | $this->assertEquals("c", $items[2]); |
||
810 | } |
||
811 | |||
812 | public function testOrderBy_DoesMakeLazyEvalution() |
||
813 | { |
||
814 | $items = array("e", "a", "c"); |
||
815 | $eval = false; |
||
816 | $linq = Linq::from($items)->orderByDescending(function($x) use(&$eval) |
||
817 | { |
||
818 | $eval = true; |
||
819 | return $x; |
||
820 | }); |
||
821 | |||
822 | $this->assertFalse($eval, "OrderBy did execute before iterating!"); |
||
823 | $result = $linq->toArray(); |
||
824 | $this->assertTrue($eval); |
||
825 | } |
||
826 | |||
827 | public function testGroupBy() |
||
828 | { |
||
829 | $a1 = new stdClass(); $a1->id = 1; $a1->value = "a"; |
||
830 | $a2 = new stdClass(); $a2->id = 2; $a2->value = "a"; |
||
831 | $b1 = new stdClass(); $b1->id = 3; $b1->value = "b"; |
||
832 | |||
833 | $items = array ($a1, $a2, $b1); |
||
834 | $grouped = Linq::from($items)->groupBy(function($x) { |
||
835 | return $x->value; |
||
836 | }); |
||
837 | |||
838 | $this->assertTrue($grouped instanceof Linq); |
||
839 | |||
840 | $this->assertEquals(2, $grouped->count()); |
||
841 | $aGroup = $grouped->elementAt(0); |
||
842 | $this->assertTrue($aGroup instanceof Fusonic\Linq\GroupedLinq); |
||
843 | |||
844 | $this->assertEquals("a", $aGroup->key()); |
||
845 | $this->assertEquals(2, $aGroup->count()); |
||
846 | $this->assertSame($a1, $aGroup->elementAt(0)); |
||
847 | $this->assertSame($a2, $aGroup->elementAt(1)); |
||
848 | |||
849 | $bGroup = $grouped->elementAt(1); |
||
850 | $this->assertEquals("b", $bGroup->key()); |
||
851 | $this->assertEquals(1, $bGroup->count()); |
||
852 | $this->assertSame($b1, $bGroup->elementAt(0)); |
||
853 | } |
||
854 | |||
855 | public function testElementAt_ReturnsElementAtPositionOrThrowsException() |
||
856 | { |
||
857 | $items = array ("a", "b", "c"); |
||
858 | $this->assertEquals("a", Linq::from($items)->elementAt(0)); |
||
859 | $this->assertEquals("b", Linq::from($items)->elementAt(1)); |
||
860 | $this->assertEquals("c", Linq::from($items)->elementAt(2)); |
||
861 | |||
862 | $items = array("a" => "aValue", "b" => "bValue"); |
||
863 | $this->assertEquals("aValue", Linq::from($items)->elementAt(0)); |
||
864 | $this->assertEquals("bValue", Linq::from($items)->elementAt(1)); |
||
865 | |||
866 | $this->assertException(function() { |
||
867 | $items = array(); |
||
868 | Linq::from($items)->elementAt(0); |
||
869 | }, self::ExceptionName_OutOfRange); |
||
870 | |||
871 | $this->assertException(function() { |
||
872 | $items = array(); |
||
873 | Linq::from($items)->elementAt(1); |
||
874 | }, self::ExceptionName_OutOfRange); |
||
875 | |||
876 | $this->assertException(function() { |
||
877 | $items = array(); |
||
878 | Linq::from($items)->elementAt(-1); |
||
879 | }, self::ExceptionName_OutOfRange); |
||
880 | |||
881 | $this->assertException(function() { |
||
882 | $items = array("a"); |
||
883 | Linq::from($items)->elementAt(1); |
||
884 | }, self::ExceptionName_OutOfRange); |
||
885 | |||
886 | $this->assertException(function() { |
||
887 | $items = array("a", "b"); |
||
888 | Linq::from($items)->elementAt(2); |
||
889 | }, self::ExceptionName_OutOfRange); |
||
890 | |||
891 | $this->assertException(function() { |
||
892 | $items = array("a", "b"); |
||
893 | Linq::from($items)->elementAt(-1); |
||
894 | }, self::ExceptionName_OutOfRange); |
||
895 | |||
896 | $this->assertException(function() { |
||
897 | $items = array("a" => "value", "b" => "bValue"); |
||
898 | Linq::from($items)->elementAt(2); |
||
899 | }, self::ExceptionName_OutOfRange); |
||
900 | } |
||
901 | |||
902 | public function testElementAtOrNull_ReturnsElementAtPositionOrNull() |
||
903 | { |
||
904 | $items = array ("a", "b", "c"); |
||
905 | $this->assertEquals("a", Linq::from($items)->elementAtOrNull(0)); |
||
906 | $this->assertEquals("b", Linq::from($items)->elementAtOrNull(1)); |
||
907 | $this->assertEquals("c", Linq::from($items)->elementAtOrNull(2)); |
||
908 | |||
909 | $this->assertNull(Linq::from($items)->elementAtOrNull(3)); |
||
910 | $this->assertNull(Linq::from($items)->elementAtOrNull(4)); |
||
911 | $this->assertNull(Linq::from($items)->elementAtOrNull(-1)); |
||
912 | |||
913 | $items = array(); |
||
914 | $this->assertNull(Linq::from($items)->elementAtOrNull(3)); |
||
915 | $this->assertNull(Linq::from($items)->elementAtOrNull(4)); |
||
916 | $this->assertNull(Linq::from($items)->elementAtOrNull(-1)); |
||
917 | |||
918 | $items = array("a" => "value", "b" => "bValue"); |
||
919 | $this->assertEquals("value", Linq::from($items)->elementAtOrNull(0)); |
||
920 | $this->assertNull(Linq::from($items)->elementAtOrNull(2)); |
||
921 | } |
||
922 | |||
923 | public function testSelect_ReturnsProjectedSequence() |
||
924 | { |
||
925 | $a1 = new stdClass(); $a1->value = "a1"; |
||
926 | $a2 = new stdClass(); $a2->value = "a2"; |
||
927 | $a3 = new stdClass(); $a3->value = "a3"; |
||
928 | $a4 = new stdClass(); $a4->value = "a4"; |
||
929 | |||
930 | // more than one |
||
931 | $items = array($a1, $a2, $a3, $a4); |
||
932 | |||
933 | $projected = Linq::from($items)->select(function($v){ |
||
934 | return $v->value; |
||
935 | }); |
||
936 | |||
937 | $this->assertTrue($projected instanceof Linq); |
||
938 | $this->assertEquals(4, $projected->count()); |
||
939 | |||
940 | $projected = $projected->toArray(); |
||
941 | $this->assertEquals("a1", $projected[0]); |
||
942 | $this->assertEquals("a2", $projected[1]); |
||
943 | $this->assertEquals("a3", $projected[2]); |
||
944 | $this->assertEquals("a4", $projected[3]); |
||
945 | |||
946 | $items = array(); |
||
947 | |||
948 | $projected = Linq::from($items)->select(function($v){ |
||
949 | return $v->value; |
||
950 | }); |
||
951 | |||
952 | $this->assertEquals(0, $projected->count()); |
||
953 | } |
||
954 | |||
955 | public function testSelectMany_throwsExceptionIfElementIsNotIterable() |
||
956 | { |
||
957 | $a1 = new stdClass(); $a1->value = "a1"; |
||
958 | $items = array($a1); |
||
959 | |||
960 | $this->assertException(function() use($items) { |
||
961 | Linq::from($items)->selectMany(function($v) { |
||
962 | return $v->value; |
||
963 | })->toArray(); |
||
964 | |||
965 | }, self::ExceptionName_UnexpectedValue); |
||
966 | |||
967 | $this->assertException(function() use($items) { |
||
968 | Linq::from($items)->selectMany(function($v) { |
||
969 | return null; |
||
970 | })->toArray(); |
||
971 | }, self::ExceptionName_UnexpectedValue); |
||
972 | } |
||
973 | |||
974 | public function testSelectMany_ReturnsFlattenedSequence() |
||
975 | { |
||
976 | $a1 = new stdClass(); $a1->value = array("a", "b"); |
||
977 | $a2 = new stdClass(); $a2->value = array("c", "d"); |
||
978 | $items = array($a1, $a2); |
||
979 | |||
980 | $linq = Linq::from($items)->selectMany(function($x) |
||
981 | { |
||
982 | return $x->value; |
||
983 | }); |
||
984 | |||
985 | $this->assertTrue($linq instanceof Linq); |
||
986 | |||
987 | $this->assertEquals(4, $linq->count()); |
||
988 | |||
989 | $array = $linq->toArray(); |
||
990 | $this->assertEquals("a", $array[0]); |
||
991 | $this->assertEquals("b", $array[1]); |
||
992 | $this->assertEquals("c", $array[2]); |
||
993 | $this->assertEquals("d", $array[3]); |
||
994 | |||
995 | // Try once again to see if rewinding the iterator works: |
||
996 | $this->assertEquals(4, $linq->count()); |
||
997 | |||
998 | $array = $linq->toArray(); |
||
999 | $this->assertEquals("a", $array[0]); |
||
1000 | $this->assertEquals("b", $array[1]); |
||
1001 | $this->assertEquals("c", $array[2]); |
||
1002 | $this->assertEquals("d", $array[3]); |
||
1003 | } |
||
1004 | |||
1005 | public function testSelectMany_EmptySequence_ReturnsEmptySequence() |
||
1006 | { |
||
1007 | $linq = Linq::from(array())->selectMany(function($x) |
||
1008 | { |
||
1009 | return $x->value; |
||
1010 | }); |
||
1011 | |||
1012 | $this->assertEquals(0, $linq->count()); |
||
1013 | $array = $linq->toArray(); |
||
1014 | $this->assertEquals(0, count($array)); |
||
1015 | |||
1016 | // Try once again to see if rewinding the iterator works: |
||
1017 | $this->assertEquals(0, $linq->count()); |
||
1018 | $array = $linq->toArray(); |
||
1019 | $this->assertEquals(0, count($array)); |
||
1020 | } |
||
1021 | |||
1022 | public function testSelectMany_DoesLazyEvaluation() |
||
1023 | { |
||
1024 | $a1 = new stdClass(); $a1->value = array("a", "b"); |
||
1025 | $a2 = new stdClass(); $a2->value = array("c", "d"); |
||
1026 | $items = array($a1, $a2); |
||
1027 | |||
1028 | $eval = false; |
||
1029 | $flattened = Linq::from($items)->selectMany(function($x) use(&$eval) |
||
1030 | { |
||
1031 | $eval = true; |
||
1032 | return $x->value; |
||
1033 | }); |
||
1034 | |||
1035 | $this->assertFalse($eval, "SelectMany did execute before iterating!"); |
||
1036 | $result = $flattened->toArray(); |
||
1037 | $this->assertTrue($eval); |
||
1038 | } |
||
1039 | |||
1040 | public function testConcat_ReturnsConcatenatedElements() |
||
1041 | { |
||
1042 | $first = array("a", "b"); |
||
1043 | $second = array("c", "d"); |
||
1044 | |||
1045 | $all = Linq::from($first)->concat($second); |
||
1046 | $this->assertTrue($all instanceof Linq); |
||
1047 | |||
1048 | $this->assertEquals(4, $all->count()); |
||
1049 | |||
1050 | $all = $all->toArray(); |
||
1051 | $this->assertEquals("a", $all[0]); |
||
1052 | $this->assertEquals("b", $all[1]); |
||
1053 | $this->assertEquals("c", $all[2]); |
||
1054 | $this->assertEquals("d", $all[3]); |
||
1055 | } |
||
1056 | |||
1057 | public function testConcat_ThrowsArgumentExceptionIfNoTraversableArgument() |
||
1058 | { |
||
1059 | $this->assertException(function() { |
||
1060 | $input = array(); |
||
1061 | $linq = Linq::from($input); |
||
1062 | $linq->concat(null); |
||
1063 | },self::ExceptionName_InvalidArgument); |
||
1064 | |||
1065 | $this->assertException(function() { |
||
1066 | $input = array(); |
||
1067 | $second = new stdClass(); |
||
1068 | Linq::from($input)->concat($second); |
||
1069 | },self::ExceptionName_InvalidArgument); |
||
1070 | } |
||
1071 | |||
1072 | public function testLinqFrom_WorksWith_Arrays_Iterators_And_IteratorAggregates() |
||
1073 | { |
||
1074 | $linq = Linq::from(array(1, 2)); |
||
1075 | $linq = Linq::from($linq); |
||
1076 | $linq = Linq::from($linq->getIterator()); |
||
1077 | } |
||
1078 | |||
1079 | public function testMethodsWithSequencesAsArguments_WorkWith_Arrays_Iterators_And_IteratorAggregates() |
||
1080 | { |
||
1081 | $first = Linq::from(array("a", "b")); |
||
1082 | $secondArray = array("c", "d"); |
||
1083 | $secondLinq = Linq::from(array("c", "d")); |
||
1084 | $secondIterator = $secondLinq->getIterator(); |
||
1085 | |||
1086 | $res = $first->concat($secondLinq)->toArray(); |
||
1087 | $res = $first->intersect($secondLinq)->toArray(); |
||
1088 | $res = $first->except($secondLinq)->toArray(); |
||
1089 | |||
1090 | $res = $first->concat($secondArray)->toArray(); |
||
1091 | $res = $first->intersect($secondArray)->toArray(); |
||
1092 | $res = $first->except($secondArray)->toArray(); |
||
1093 | |||
1094 | $res = $first->concat($secondIterator)->toArray(); |
||
1095 | $res = $first->intersect($secondIterator)->toArray(); |
||
1096 | $res = $first->except($secondIterator)->toArray(); |
||
1097 | } |
||
1098 | |||
1099 | public function testIntersect_ReturnsIntersectedElements() |
||
1100 | { |
||
1101 | $first = array("a", "b", "c", "d"); |
||
1102 | $second = array("b", "c"); |
||
1103 | |||
1104 | $linq = Linq::from($first)->intersect($second); |
||
1105 | $this->assertEquals(2, $linq->count()); |
||
1106 | |||
1107 | $array = $linq->toArray(); |
||
1108 | $this->assertEquals("b", $array[0]); |
||
1109 | $this->assertEquals("c", $array[1]); |
||
1110 | } |
||
1111 | |||
1112 | public function testIntersect_ThrowsArgumentExceptionIfSecondSequenceIsNotTraversable() |
||
1113 | { |
||
1114 | $this->assertException(function() { |
||
1115 | $input = array(); |
||
1116 | $linq = Linq::from($input); |
||
1117 | $linq->intersect(null); |
||
1118 | },self::ExceptionName_InvalidArgument); |
||
1119 | |||
1120 | $this->assertException(function() { |
||
1121 | $input = array(); |
||
1122 | $linq = Linq::from($input); |
||
1123 | $linq->intersect("Not a sequence"); |
||
1124 | },self::ExceptionName_InvalidArgument); |
||
1125 | } |
||
1126 | |||
1127 | public function testIntersect_EmptySequence_ReturnsEmptySequence() |
||
1128 | { |
||
1129 | $first = array("a", "b", "c", "d"); |
||
1130 | $second = array(); |
||
1131 | |||
1132 | $linq = Linq::from($first)->intersect($second); |
||
1133 | $this->assertEquals(0, $linq->count()); |
||
1134 | $array = $linq->toArray(); |
||
1135 | $this->assertEquals(0, count($array)); |
||
1136 | } |
||
1137 | |||
1138 | public function testExcept_ReturnsAllElementsExceptTheGivenOnes() |
||
1139 | { |
||
1140 | $first = array("a", "b", "c", "d"); |
||
1141 | $second = array("b", "c"); |
||
1142 | |||
1143 | $linq = Linq::from($first)->except($second); |
||
1144 | $this->assertEquals(2, $linq->count()); |
||
1145 | |||
1146 | $array = $linq->toArray(); |
||
1147 | $this->assertEquals("a", $array[0]); |
||
1148 | $this->assertEquals("d", $array[1]); |
||
1149 | } |
||
1150 | |||
1151 | public function testExcept_ThrowsArgumentExceptionIfSecondSequenceIsNotTraversable() |
||
1152 | { |
||
1153 | $this->assertException(function() { |
||
1154 | $input = array(); |
||
1155 | $linq = Linq::from($input); |
||
1156 | $linq->except(null); |
||
1157 | },self::ExceptionName_InvalidArgument); |
||
1158 | |||
1159 | $this->assertException(function() { |
||
1160 | $input = array(); |
||
1161 | $linq = Linq::from($input); |
||
1162 | $linq->except("Not a sequence"); |
||
1163 | },self::ExceptionName_InvalidArgument); |
||
1164 | } |
||
1165 | |||
1166 | public function testExcept_EmptySequence_ReturnsAllElementsFromFirst() |
||
1167 | { |
||
1168 | $first = array("a", "b", "c", "d"); |
||
1169 | $second = array(); |
||
1170 | |||
1171 | $linq = Linq::from($first)->except($second); |
||
1172 | $this->assertEquals(4, $linq->count()); |
||
1173 | |||
1174 | $array = $linq->toArray(); |
||
1175 | $this->assertEquals("a", $array[0]); |
||
1176 | $this->assertEquals("b", $array[1]); |
||
1177 | $this->assertEquals("c", $array[2]); |
||
1178 | $this->assertEquals("d", $array[3]); |
||
1179 | } |
||
1180 | |||
1181 | public function testDistinct_ReturnsDistinctElements() |
||
1182 | { |
||
1183 | $items = array("a", "b", "a", "b"); |
||
1184 | |||
1185 | $distinct = Linq::from($items)->distinct(); |
||
1186 | $this->assertTrue($distinct instanceof Linq); |
||
1187 | |||
1188 | $this->assertEquals(2, $distinct->count()); |
||
1189 | $distinct = $distinct->toArray(); |
||
1190 | $this->assertEquals("a", $distinct[0]); |
||
1191 | $this->assertEquals("b", $distinct[1]); |
||
1192 | |||
1193 | $a1 = new stdClass(); $a1->id = 1; $a1->value = "a"; |
||
1194 | $a2 = new stdClass(); $a2->id = 2; $a2->value = "a"; |
||
1195 | $b1 = new stdClass(); $b1->id = 3; $b1->value = "b"; |
||
1196 | |||
1197 | $items = array($a1, $a2, $b1); |
||
1198 | $distinct = Linq::from($items)->distinct(function($v) { return $v->value; }); |
||
1199 | $this->assertEquals(2, $distinct->count()); |
||
1200 | } |
||
1201 | |||
1202 | public function testDistinct_DoesLazyEvaluation() |
||
1203 | { |
||
1204 | $eval = false; |
||
1205 | $a1 = new stdClass(); $a1->id = 1; $a1->value = "a"; |
||
1206 | $a2 = new stdClass(); $a2->id = 2; $a2->value = "a"; |
||
1207 | |||
1208 | $items = array($a1, $a2); |
||
1209 | $distinct = Linq::from($items)->distinct(function($v) use(&$eval) |
||
1210 | { |
||
1211 | $eval = true; |
||
1212 | return $v->value; |
||
1213 | }); |
||
1214 | |||
1215 | $this->assertFalse($eval, "SelectMany did execute before iterating!"); |
||
1216 | $distinct->toArray(); |
||
1217 | $this->assertTrue($eval); |
||
1218 | } |
||
1219 | |||
1220 | public function testMin_ReturnsMinValueFromNumerics() |
||
1221 | { |
||
1222 | $items = array(88, 77, 12, 112); |
||
1223 | $min = Linq::from($items)->min(); |
||
1224 | $this->assertEquals(12, $min); |
||
1225 | |||
1226 | $items = array(13); |
||
1227 | $min = Linq::from($items)->min(); |
||
1228 | $this->assertEquals(13, $min); |
||
1229 | |||
1230 | $items = array(0); |
||
1231 | $min = Linq::from($items)->min(); |
||
1232 | $this->assertEquals(0, $min); |
||
1233 | |||
1234 | $items = array(-12); |
||
1235 | $min = Linq::from($items)->min(); |
||
1236 | $this->assertEquals(-12, $min); |
||
1237 | |||
1238 | $items = array(-12, 0, 100, -33); |
||
1239 | $min = Linq::from($items)->min(); |
||
1240 | $this->assertEquals(-33, $min); |
||
1241 | } |
||
1242 | |||
1243 | public function testMin_ReturnsMinValueFromStrings() |
||
1244 | { |
||
1245 | $items = array("c", "a", "b", "d"); |
||
1246 | $min = Linq::from($items)->min(); |
||
1247 | $this->assertEquals("a", $min); |
||
1248 | |||
1249 | $items = array("a"); |
||
1250 | $min = Linq::from($items)->min(); |
||
1251 | $this->assertEquals("a", $min); |
||
1252 | } |
||
1253 | |||
1254 | public function testMin_ReturnsMinValueFromDateTimes() |
||
1255 | { |
||
1256 | $items = array( |
||
1257 | new DateTime("2015-01-01 10:00:00"), |
||
1258 | new DateTime("2015-02-01 10:00:00"), |
||
1259 | new DateTime("2015-01-01 09:00:00"), |
||
1260 | ); |
||
1261 | $min = Linq::from($items)->min(); |
||
1262 | $this->assertEquals($items[2], $min); |
||
1263 | } |
||
1264 | |||
1265 | public function testMin_ThrowsExceptionIfSequenceIsEmpty() |
||
1266 | { |
||
1267 | $this->assertException(function() |
||
1268 | { |
||
1269 | $data = array(); |
||
1270 | $min = Linq::from($data)->min(); |
||
1271 | }); |
||
1272 | } |
||
1273 | |||
1274 | public function testMin_ThrowsExceptionIfSequenceContainsNoneNumericValuesOrStrings() |
||
1275 | { |
||
1276 | $this->assertException(function() |
||
1277 | { |
||
1278 | $data = array(null); |
||
1279 | $max = Linq::from($data)->min(); |
||
1280 | }, self::ExceptionName_UnexpectedValue); |
||
1281 | |||
1282 | $this->assertException(function() |
||
1283 | { |
||
1284 | $data = array(new stdClass()); |
||
1285 | $min = Linq::from($data)->min(); |
||
1286 | }, self::ExceptionName_UnexpectedValue); |
||
1287 | |||
1288 | $this->assertException(function() |
||
1289 | { |
||
1290 | $data = array("string value", 1, new stdClass()); |
||
1291 | $min = Linq::from($data)->min(); |
||
1292 | }, self::ExceptionName_UnexpectedValue); |
||
1293 | |||
1294 | $this->assertException(function() |
||
1295 | { |
||
1296 | $a = new stdClass(); $a->nonNumeric = new stdClass(); |
||
1297 | $data = array($a); |
||
1298 | $min = Linq::from($data)->min(function($x) |
||
1299 | { |
||
1300 | return $x->nonNumeric; |
||
1301 | }); |
||
1302 | }, self::ExceptionName_UnexpectedValue); |
||
1303 | } |
||
1304 | |||
1305 | public function testMax_ReturnsMaxValueFromNumerics() |
||
1306 | { |
||
1307 | $items = array(88, 77, 12, 112); |
||
1308 | $max = Linq::from($items)->max(); |
||
1309 | $this->assertEquals(112, $max); |
||
1310 | |||
1311 | $items = array(13); |
||
1312 | $max = Linq::from($items)->max(); |
||
1313 | $this->assertEquals(13, $max); |
||
1314 | |||
1315 | $items = array(0); |
||
1316 | $max = Linq::from($items)->max(); |
||
1317 | $this->assertEquals(0, $max); |
||
1318 | |||
1319 | $items = array(-12); |
||
1320 | $max = Linq::from($items)->max(); |
||
1321 | $this->assertEquals(-12, $max); |
||
1322 | |||
1323 | $items = array(-12, 0, 100, -33); |
||
1324 | $max = Linq::from($items)->max(); |
||
1325 | $this->assertEquals(100, $max); |
||
1326 | } |
||
1327 | |||
1328 | public function testMax_ReturnsMaxValueFromDateTimes() |
||
1329 | { |
||
1330 | $items = array( |
||
1331 | new DateTime("2015-01-01 10:00:00"), |
||
1332 | new DateTime("2015-02-01 10:00:00"), |
||
1333 | new DateTime("2015-01-01 09:00:00"), |
||
1334 | ); |
||
1335 | $max = Linq::from($items)->max(); |
||
1336 | $this->assertEquals($items[1], $max); |
||
1337 | } |
||
1338 | |||
1339 | public function testSum_ThrowsExceptionIfSequenceContainsNoneNumericValues() |
||
1340 | { |
||
1341 | $this->assertException(function() |
||
1342 | { |
||
1343 | $data = array(null); |
||
1344 | $max = Linq::from($data)->sum(); |
||
1345 | }, self::ExceptionName_UnexpectedValue); |
||
1346 | |||
1347 | $this->assertException(function() |
||
1348 | { |
||
1349 | $data = array(new stdClass()); |
||
1350 | $min = Linq::from($data)->sum(); |
||
1351 | }, self::ExceptionName_UnexpectedValue); |
||
1352 | |||
1353 | $this->assertException(function() |
||
1354 | { |
||
1355 | $data = array("string value", 1, new stdClass()); |
||
1356 | $min = Linq::from($data)->sum(); |
||
1357 | }, self::ExceptionName_UnexpectedValue); |
||
1358 | |||
1359 | $this->assertException(function() |
||
1360 | { |
||
1361 | $a = new stdClass(); $a->value = 100; $a->nonNumeric = "asdf"; |
||
1362 | $b = new stdClass(); $b-> value = 133; $a->nonNumeric = "asdf"; |
||
1363 | |||
1364 | $data = array($a, $b); |
||
1365 | $sum = Linq::from($data)->sum(function($x) { |
||
1366 | return $x->nonNumeric; |
||
1367 | }); |
||
1368 | }, self::ExceptionName_UnexpectedValue); |
||
1369 | } |
||
1370 | |||
1371 | public function testSum_GetSumOfValues() |
||
1372 | { |
||
1373 | $data = array(); |
||
1374 | $sum = Linq::from($data)->sum(); |
||
1375 | $this->assertEquals(0, $sum); |
||
1376 | |||
1377 | $data = array(4, 9, 100.77); |
||
1378 | $sum = Linq::from($data)->sum(); |
||
1379 | $this->assertEquals(113.77, $sum); |
||
1380 | |||
1381 | $data = array(12, -12); |
||
1382 | $sum = Linq::from($data)->sum(); |
||
1383 | $this->assertEquals(0, $sum); |
||
1384 | |||
1385 | $data = array(12, -24); |
||
1386 | $sum = Linq::from($data)->sum(); |
||
1387 | $this->assertEquals(-12, $sum); |
||
1388 | |||
1389 | $a = new stdClass(); $a->value = 100; |
||
1390 | $b = new stdClass(); $b-> value = 133; |
||
1391 | |||
1392 | $data = array($a, $b); |
||
1393 | $sum = Linq::from($data)->sum(function($x) { |
||
1394 | return $x->value; |
||
1395 | }); |
||
1396 | |||
1397 | $this->assertEquals(233, $sum); |
||
1398 | } |
||
1399 | |||
1400 | public function testMax_ReturnsMaxValueFromStrings() |
||
1401 | { |
||
1402 | $items = array("c", "a", "b", "d"); |
||
1403 | $max = Linq::from($items)->max(); |
||
1404 | $this->assertEquals("d", $max); |
||
1405 | |||
1406 | $items = array("a"); |
||
1407 | $max = Linq::from($items)->max(); |
||
1408 | $this->assertEquals("a", $max); |
||
1409 | } |
||
1410 | |||
1411 | public function testMax_ThrowsExceptionIfSequenceIsEmpty() |
||
1412 | { |
||
1413 | $this->assertException(function() |
||
1414 | { |
||
1415 | $data = array(); |
||
1416 | $max = Linq::from($data)->max(); |
||
1417 | }); |
||
1418 | } |
||
1419 | |||
1420 | public function testMax_ThrowsExceptionIfSequenceContainsNoneNumericValuesOrStrings() |
||
1421 | { |
||
1422 | $this->assertException(function() |
||
1423 | { |
||
1424 | $data = array(new stdClass()); |
||
1425 | $max = Linq::from($data)->max(); |
||
1426 | }, self::ExceptionName_UnexpectedValue); |
||
1427 | |||
1428 | $this->assertException(function() |
||
1429 | { |
||
1430 | $data = array(null); |
||
1431 | $max = Linq::from($data)->max(); |
||
1432 | }, self::ExceptionName_UnexpectedValue); |
||
1433 | |||
1434 | $this->assertException(function() |
||
1435 | { |
||
1436 | $data = array("string value", 1, new stdClass()); |
||
1437 | $max = Linq::from($data)->max(); |
||
1438 | }, self::ExceptionName_UnexpectedValue); |
||
1439 | |||
1440 | $this->assertException(function() |
||
1441 | { |
||
1442 | $a = new stdClass(); $a->nonNumeric = new stdClass(); |
||
1443 | $data = array($a); |
||
1444 | $min = Linq::from($data)->max(function($x) |
||
1445 | { |
||
1446 | return $x->nonNumeric; |
||
1447 | }); |
||
1448 | }, self::ExceptionName_UnexpectedValue); |
||
1449 | } |
||
1450 | |||
1451 | public function testEach_PerformsActionOnEachElement() |
||
1452 | { |
||
1453 | $items = array("a", "b", "c"); |
||
1454 | $looped = array(); |
||
1455 | Linq::from($items) |
||
1456 | ->each(function($x) use(&$looped) |
||
1457 | { |
||
1458 | $looped[] = $x; |
||
1459 | }); |
||
1460 | |||
1461 | $this->assertEquals(3, count($looped)); |
||
1462 | $this->assertEquals("a", $looped[0]); |
||
1463 | $this->assertEquals("b", $looped[1]); |
||
1464 | $this->assertEquals("c", $looped[2]); |
||
1465 | } |
||
1466 | |||
1467 | public function testEach_ReturnsOriginalLinqSequence() |
||
1468 | { |
||
1469 | $linq = Linq::from(array(1,2,3,4)) |
||
1470 | ->skip(2)->take(1); |
||
1471 | |||
1472 | $linqAfterEach = $linq->each(function($x) {}); |
||
1473 | $this->assertSame($linq, $linqAfterEach); |
||
1474 | } |
||
1475 | |||
1476 | public function testToArray_WithoutKeySelector_ReturnsIteratorValuesAsArray_UsesDefaultNumericArrayKeys() |
||
1477 | { |
||
1478 | $linq = Linq::from(array("a", "b", "c")) |
||
1479 | ->skip(1)->take(3); |
||
1480 | |||
1481 | $array = $linq->toArray(); |
||
1482 | $this->assertTrue(is_array($array)); |
||
1483 | $this->assertEquals(2, count($array)); |
||
1484 | |||
1485 | $keys = array_keys($array); |
||
1486 | $this->assertEquals(0, $keys[0]); |
||
1487 | $this->assertEquals(1, $keys[1]); |
||
1488 | |||
1489 | $this->assertEquals("b", $array[0]); |
||
1490 | $this->assertEquals("c", $array[1]); |
||
1491 | } |
||
1492 | |||
1493 | public function testToArray_WithKeySelector_ReturnsIteratorValuesAsArray_UsesKeySelectorValueAsKey() |
||
1494 | { |
||
1495 | $linq = Linq::from(array("a", "b", "c")) |
||
1496 | ->skip(1)->take(3); |
||
1497 | |||
1498 | $array = $linq->toArray(function($x) { |
||
1499 | return "keyprefix_" . $x; |
||
1500 | }); |
||
1501 | |||
1502 | $this->assertTrue(is_array($array)); |
||
1503 | $this->assertEquals(2, count($array)); |
||
1504 | |||
1505 | $keys = array_keys($array); |
||
1506 | $this->assertEquals("keyprefix_b", $keys[0]); |
||
1507 | $this->assertEquals("keyprefix_c", $keys[1]); |
||
1508 | |||
1509 | $this->assertEquals("b", $array["keyprefix_b"]); |
||
1510 | $this->assertEquals("c", $array["keyprefix_c"]); |
||
1511 | } |
||
1512 | |||
1513 | public function testToArray_WithKeyAndValueSelector_ReturnsArrayWithKeyValueSetsFromClosures() |
||
1514 | { |
||
1515 | $source = array( |
||
1516 | array("catId" => 11, "name" => "Category11", "additionalcolumn" => "foo"), |
||
1517 | array("catId" => 12, "name" => "Category12", "additionalcolumn" => "bar"), |
||
1518 | ); |
||
1519 | $linq = Linq::from($source); |
||
1520 | |||
1521 | $array = $linq->toArray(function($x) { |
||
1522 | return $x["catId"]; |
||
1523 | }, function($y) { |
||
1524 | return $y["name"]; |
||
1525 | }); |
||
1526 | |||
1527 | $this->assertTrue(is_array($array)); |
||
1528 | $this->assertEquals(2, count($array)); |
||
1529 | |||
1530 | $keys = array_keys($array); |
||
1531 | $this->assertEquals(11, $keys[0]); |
||
1532 | $this->assertEquals(12, $keys[1]); |
||
1533 | |||
1534 | $this->assertEquals("Category11", $array[11]); |
||
1535 | $this->assertEquals("Category12", $array[12]); |
||
1536 | } |
||
1537 | |||
1538 | public function testToArray_WithValueSelector_ReturnsArrayWithDefaultNumericKey_AndValueFromClosure() |
||
1539 | { |
||
1540 | $source = array( |
||
1541 | array("catId" => 11, "name" => "Category11", "additionalcolumn" => "foo"), |
||
1542 | array("catId" => 12, "name" => "Category12", "additionalcolumn" => "bar"), |
||
1543 | ); |
||
1544 | |||
1545 | $linq = Linq::from($source); |
||
1546 | |||
1547 | $array = $linq->toArray(null, function($y) { |
||
1548 | return $y["additionalcolumn"]; |
||
1549 | }); |
||
1550 | |||
1551 | $this->assertTrue(is_array($array)); |
||
1552 | $this->assertEquals(2, count($array)); |
||
1553 | |||
1554 | $keys = array_keys($array); |
||
1555 | $this->assertEquals(0, $keys[0]); |
||
1556 | $this->assertEquals(1, $keys[1]); |
||
1557 | |||
1558 | $this->assertEquals("foo", $array[0]); |
||
1559 | $this->assertEquals("bar", $array[1]); |
||
1560 | } |
||
1561 | |||
1562 | public function testAggregate_novalues_throwsException() |
||
1563 | { |
||
1564 | $this->assertException(function() { |
||
1565 | |||
1566 | Linq::from(array())->aggregate(function() {}); |
||
1567 | }, self::ExceptionName_Runtime); |
||
1568 | |||
1569 | |||
1570 | $this->assertException(function() { |
||
1571 | |||
1572 | Linq::from(array())->aggregate(function() {}, null); |
||
1573 | }, self::ExceptionName_Runtime); |
||
1574 | } |
||
1575 | |||
1576 | public function testAggregate_returnsCorrectResult() |
||
1577 | { |
||
1578 | $this->assertEquals("value", Linq::from(array("value"))->aggregate(function($a, $b) { throw new Exception("Must not becalled"); })); |
||
1579 | $this->assertEquals(2, Linq::from(array(2))->aggregate(function($a, $b) { throw new Exception("Must not becalled"); })); |
||
1580 | $this->assertEquals(5, Linq::from(array(2, 3))->aggregate(function($a, $b) { return $a + $b; })); |
||
1581 | $this->assertEquals(17, Linq::from(array(2, 3, 3, 4, 5))->aggregate(function($a, $b) { return $a + $b; })); |
||
1582 | $this->assertEquals("abcde", Linq::from(array("a","b","c","d","e"))->aggregate(function($a, $b) { return $a . $b; })); |
||
1583 | } |
||
1584 | |||
1585 | public function testAggregate_withSeedValue_returnsCorrectResult() |
||
1586 | { |
||
1587 | $this->assertEquals(9999, Linq::from(array())->aggregate(function() {}, 9999)); |
||
1588 | $this->assertEquals(104, Linq::from(array(2))->aggregate(function($a, $b) { return $a + $b; }, 102)); |
||
1589 | $this->assertEquals(137, Linq::from(array(2, 2, 20, 11))->aggregate(function($a, $b) { return $a + $b; }, 102)); |
||
1590 | $this->assertEquals("begin_abcde", Linq::from(array("a","b","c","d","e"))->aggregate(function($a, $b) { return $a . $b; }, "begin_")); |
||
1591 | } |
||
1592 | |||
1593 | public function testRange_throwsExceptionIfCountIsNegative() |
||
1594 | { |
||
1595 | $this->assertException(function() { |
||
1596 | |||
1597 | Linq::range(0, -1); |
||
1598 | }, self::ExceptionName_OutOfRange); |
||
1599 | } |
||
1600 | |||
1601 | public function testRange_returnsRangeOfIntegers() |
||
1602 | { |
||
1603 | $range = Linq::range(0, 3)->toArray(); |
||
1604 | $this->assertEquals(3, count($range)); |
||
1605 | $this->assertEquals(0, $range[0]); |
||
1606 | $this->assertEquals(1, $range[1]); |
||
1607 | $this->assertEquals(2, $range[2]); |
||
1608 | |||
1609 | $range = Linq::range(6, 3)->toArray(); |
||
1610 | $this->assertEquals(3, count($range)); |
||
1611 | $this->assertEquals(6, $range[0]); |
||
1612 | $this->assertEquals(7, $range[1]); |
||
1613 | $this->assertEquals(8, $range[2]); |
||
1614 | |||
1615 | $range = Linq::range(-3, 5)->toArray(); |
||
1616 | $this->assertEquals(5, count($range)); |
||
1617 | $this->assertEquals(-3, $range[0]); |
||
1618 | $this->assertEquals(-2, $range[1]); |
||
1619 | $this->assertEquals(-1, $range[2]); |
||
1620 | $this->assertEquals(0, $range[3]); |
||
1621 | $this->assertEquals(1, $range[4]); |
||
1622 | } |
||
1623 | |||
1624 | public function testContains_defaultComparison() |
||
1625 | { |
||
1626 | $items = array("2", 2); |
||
1627 | $linq = Linq::from($items); |
||
1628 | $this->assertTrue($linq->contains(2)); |
||
1629 | $this->assertTrue($linq->contains("2")); |
||
1630 | $this->assertFalse($linq->contains(true)); |
||
1631 | |||
1632 | $this->assertFalse($linq->contains(3)); |
||
1633 | $this->assertFalse($linq->contains("3")); |
||
1634 | |||
1635 | $this->assertFalse($linq->contains(3)); |
||
1636 | $this->assertFalse($linq->contains(null)); |
||
1637 | |||
1638 | $a = new stdClass(); |
||
1639 | $b = new stdClass(); |
||
1640 | $c = new stdClass(); |
||
1641 | $linq = Linq::from(array($a, $b)); |
||
1642 | $this->assertTrue($linq->contains($a)); |
||
1643 | $this->assertTrue($linq->contains($b)); |
||
1644 | $this->assertFalse($linq->contains($c)); |
||
1645 | } |
||
1646 | |||
1647 | public function testChunk_throwsException_IfchunksizeIsInvalid() |
||
1648 | { |
||
1649 | $this->assertException(function() { |
||
1650 | Linq::from(array())->chunk(0); |
||
1651 | }, self::ExceptionName_InvalidArgument); |
||
1652 | |||
1653 | $this->assertException(function() { |
||
1654 | Linq::from(array())->chunk(-1); |
||
1655 | }, self::ExceptionName_InvalidArgument); |
||
1656 | } |
||
1657 | |||
1658 | public function testChunk_ReturnsChunkedElementsAccordingToChunksize() |
||
1659 | { |
||
1660 | $groups = Linq::from(array())->chunk(2); |
||
1661 | $this->assertEquals(0, $groups->count()); |
||
1662 | |||
1663 | $groups = Linq::from(array("a"))->chunk(2); |
||
1664 | $this->assertEquals(1, $groups->count()); |
||
1665 | $this->assertEquals(1, $groups->ElementAt(0)->count()); |
||
1666 | $this->assertEquals("a", $groups->ElementAt(0)->ElementAt(0)); |
||
1667 | |||
1668 | $groups = Linq::from(array("a","b","c","d","e"))->chunk(2); |
||
1669 | $this->assertEquals(3, $groups->count()); |
||
1670 | $this->assertEquals(2, $groups->ElementAt(0)->count()); |
||
1671 | $this->assertEquals("a", $groups->ElementAt(0)->ElementAt(0)); |
||
1672 | $this->assertEquals("b", $groups->ElementAt(0)->ElementAt(1)); |
||
1673 | |||
1674 | $this->assertEquals(2, $groups->ElementAt(1)->count()); |
||
1675 | $this->assertEquals("c", $groups->ElementAt(1)->ElementAt(0)); |
||
1676 | $this->assertEquals("d", $groups->ElementAt(1)->ElementAt(1)); |
||
1677 | |||
1678 | $this->assertEquals(1, $groups->ElementAt(2)->count()); |
||
1679 | $this->assertEquals("e", $groups->ElementAt(2)->ElementAt(0)); |
||
1680 | |||
1681 | $groups = Linq::from(array("a","b","c","d","e"))->chunk(3); |
||
1682 | $this->assertEquals(2, $groups->count()); |
||
1683 | |||
1684 | $groups = Linq::from(array("a","b","c","d","e"))->chunk(4); |
||
1685 | $this->assertEquals(2, $groups->count()); |
||
1686 | |||
1687 | $groups = Linq::from(array("a","b","c","d","e"))->chunk(5); |
||
1688 | $this->assertEquals(1, $groups->count()); |
||
1689 | |||
1690 | $groups = Linq::from(array("a","b","c","d","e"))->chunk(117); |
||
1691 | $this->assertEquals(1, $groups->count()); |
||
1692 | } |
||
1693 | |||
1694 | public function testIssue3_emtpyCollectionOrdering() |
||
1695 | { |
||
1696 | Linq::from(array()) |
||
1697 | ->orderBy(function(array $x) { return $x["name"]; }) |
||
1698 | ->toArray(); |
||
1699 | } |
||
1700 | |||
1701 | /** |
||
1702 | * @test |
||
1703 | */ |
||
1704 | public function when_ofType_is_called_with_empty_array() |
||
1705 | { |
||
1706 | /** @var array $result */ |
||
1707 | $result = Linq::from(array()) |
||
1708 | ->ofType('StubInterface') |
||
1709 | ->toArray(); |
||
1710 | |||
1711 | $this->assertNotNull($result); |
||
1712 | $this->assertCount(0, $result); |
||
1713 | } |
||
1714 | |||
1715 | /** |
||
1716 | * @test |
||
1717 | */ |
||
1718 | public function when_ofType_is_called_with_array_containing_expected_interface() |
||
1719 | { |
||
1720 | /** @var Stub $expectedResult */ |
||
1721 | $expectedResult = new Stub(); |
||
1722 | |||
1723 | /** @var array $result */ |
||
1724 | $result = Linq::from(array($expectedResult, |
||
1725 | new StubWithoutInterface())) |
||
1726 | ->ofType('StubInterface') |
||
1727 | ->toArray(); |
||
1728 | |||
1729 | $this->assertNotNull($result); |
||
1730 | $this->assertCount(1, $result); |
||
1731 | $this->assertSame($expectedResult, $result[0]); |
||
1732 | } |
||
1733 | |||
1734 | /** |
||
1735 | * @test |
||
1736 | */ |
||
1737 | public function when_ofType_is_called_with_array_containing_expected_object_type() |
||
1738 | { |
||
1739 | /** @var StubWithoutInterface $expectedResult1 */ |
||
1740 | $expectedResult1 = new StubWithoutInterface(); |
||
1741 | |||
1742 | /** @var array $result */ |
||
1743 | $result = Linq::from(array(new Stub(), |
||
1744 | $expectedResult1)) |
||
1745 | ->ofType('StubWithoutInterface') |
||
1746 | ->toArray(); |
||
1747 | |||
1748 | $this->assertNotNull($result); |
||
1749 | $this->assertCount(1, $result); |
||
1750 | $this->assertSame($expectedResult1, $result[0]); |
||
1751 | |||
1752 | /** @var StubWithoutInterface $expectedResult2 */ |
||
1753 | $expectedResult2 = new Stub(); |
||
1754 | |||
1755 | $result = Linq::from(array($expectedResult2, |
||
1756 | new StubWithoutInterface())) |
||
1757 | ->ofType('Stub') |
||
1758 | ->toArray(); |
||
1759 | |||
1760 | $this->assertNotNull($result); |
||
1761 | $this->assertCount(1, $result); |
||
1762 | $this->assertSame($expectedResult2, $result[0]); |
||
1763 | } |
||
1764 | |||
1765 | /** |
||
1766 | * @test |
||
1767 | */ |
||
1768 | public function when_ofType_is_called_with_array_not_containing_expected_interface() |
||
1769 | { |
||
1770 | /** @var array $result */ |
||
1771 | $result = Linq::from(array(new StubWithoutInterface(), |
||
1772 | new StubWithoutInterface())) |
||
1773 | ->ofType('StubInterface') |
||
1774 | ->toArray(); |
||
1775 | |||
1776 | $this->assertNotNull($result); |
||
1777 | $this->assertCount(0, $result); |
||
1778 | } |
||
1779 | |||
1780 | /** |
||
1781 | * @test |
||
1782 | */ |
||
1783 | public function when_ofType_is_called_with_array_not_containing_expected_object_type() |
||
1784 | { |
||
1785 | /** @var array $result */ |
||
1786 | $result = Linq::from(array(new Stub(), |
||
1787 | new Stub())) |
||
1788 | ->ofType('StubWithoutInterface') |
||
1789 | ->toArray(); |
||
1790 | |||
1791 | $this->assertNotNull($result); |
||
1792 | $this->assertCount(0, $result); |
||
1793 | } |
||
1794 | |||
1795 | /** |
||
1796 | * @test |
||
1797 | */ |
||
1798 | public function when_ofType_is_called_with_unknown_interface() |
||
1799 | { |
||
1800 | /** @var array $result */ |
||
1801 | $result = Linq::from(array(new Stub(), |
||
1802 | new Stub())) |
||
1803 | ->ofType('UnknownInterface') |
||
1804 | ->toArray(); |
||
1805 | |||
1806 | $this->assertNotNull($result); |
||
1807 | $this->assertCount(0, $result); |
||
1808 | } |
||
1809 | |||
1810 | /** |
||
1811 | * @test |
||
1812 | */ |
||
1813 | public function when_ofType_is_called_with_unknown_object_type() |
||
1814 | { |
||
1815 | /** @var array $result */ |
||
1816 | $result = Linq::from(array(new Stub(), |
||
1817 | new Stub())) |
||
1818 | ->ofType('UnknownObject') |
||
1819 | ->toArray(); |
||
1820 | |||
1821 | $this->assertNotNull($result); |
||
1822 | $this->assertCount(0, $result); |
||
1823 | } |
||
1824 | |||
1825 | /** |
||
1826 | * @test |
||
1827 | */ |
||
1828 | public function when_ofType_is_called_with_int_as_type() |
||
1829 | { |
||
1830 | /** @var int[] $expectedResult */ |
||
1831 | $expectedResult = array(1, |
||
1832 | 2, |
||
1833 | 10, |
||
1834 | 20); |
||
1835 | |||
1836 | $result = Linq::from(array(1, |
||
1837 | 2, |
||
1838 | new Stub(), |
||
1839 | 10, |
||
1840 | NULL, |
||
1841 | 20)) |
||
1842 | ->ofType('int') |
||
1843 | ->toArray(); |
||
1844 | |||
1845 | $this->assertNotNull($result); |
||
1846 | $this->assertEquals($expectedResult, $result); |
||
1847 | } |
||
1848 | |||
1849 | /** |
||
1850 | * @test |
||
1851 | */ |
||
1852 | public function when_ofType_is_called_with_bool_as_type() |
||
1853 | { |
||
1854 | /** @var int[] $expectedResult */ |
||
1855 | $expectedResult = array(TRUE, |
||
1856 | FALSE); |
||
1857 | |||
1858 | $result = Linq::from(array(0, |
||
1859 | 'string', |
||
1860 | 'true', |
||
1861 | TRUE, |
||
1862 | 'false', |
||
1863 | FALSE)) |
||
1864 | ->ofType('bool') |
||
1865 | ->toArray(); |
||
1866 | |||
1867 | $this->assertNotNull($result); |
||
1868 | $this->assertEquals($expectedResult, $result); |
||
1869 | } |
||
1870 | |||
1871 | /** |
||
1872 | * @test |
||
1873 | */ |
||
1874 | public function when_ofType_is_called_with_string_as_type() |
||
1875 | { |
||
1876 | /** @var int[] $expectedResult */ |
||
1877 | $expectedResult = array('string', |
||
1878 | 'true', |
||
1879 | 'false'); |
||
1880 | |||
1881 | $result = Linq::from(array(0, |
||
1882 | 'string', |
||
1883 | 'true', |
||
1884 | TRUE, |
||
1885 | 'false', |
||
1886 | FALSE)) |
||
1887 | ->ofType('string') |
||
1888 | ->toArray(); |
||
1889 | |||
1890 | $this->assertNotNull($result); |
||
1891 | $this->assertEquals($expectedResult, $result); |
||
1892 | } |
||
1893 | |||
1894 | /** |
||
1895 | * @test |
||
1896 | */ |
||
1897 | public function when_ofType_is_called_with_float_as_type() |
||
1898 | { |
||
1899 | /** @var int[] $expectedResult */ |
||
1900 | $expectedResult = array(2.5, |
||
1901 | 10.0, |
||
1902 | 0.3); |
||
1903 | |||
1904 | $result = Linq::from(array(0, |
||
1905 | 'string', |
||
1906 | 2.5, |
||
1907 | 10.0, |
||
1908 | 11, |
||
1909 | 'false', |
||
1910 | 0.3)) |
||
1911 | ->ofType('float') |
||
1912 | ->toArray(); |
||
1913 | |||
1914 | $this->assertNotNull($result); |
||
1915 | $this->assertEquals($expectedResult, $result); |
||
1916 | } |
||
1917 | |||
1918 | /** |
||
1919 | * @test |
||
1920 | */ |
||
1921 | public function when_ofType_is_called_with_double_as_type() |
||
1922 | { |
||
1923 | /** @var int[] $expectedResult */ |
||
1924 | $expectedResult = array(2.5, |
||
1925 | 10.0, |
||
1926 | 0.3); |
||
1927 | |||
1928 | $result = Linq::from(array(0, |
||
1929 | 'string', |
||
1930 | 2.5, |
||
1931 | 10.0, |
||
1932 | NULL, |
||
1933 | 11, |
||
1934 | 'false', |
||
1935 | 0.3)) |
||
1936 | ->ofType('double') |
||
1937 | ->toArray(); |
||
1938 | |||
1939 | $this->assertNotNull($result); |
||
1940 | $this->assertEquals($expectedResult, $result); |
||
1941 | } |
||
1942 | |||
1943 | private function assertException($closure, $expected = self::ExceptionName_Runtime) |
||
1944 | { |
||
1945 | try |
||
1946 | { |
||
1947 | $closure(); |
||
1948 | } |
||
1949 | catch(Exception $ex) |
||
1950 | { |
||
1951 | $exName = get_class($ex); |
||
1952 | |||
1953 | if($exName != $expected) |
||
1954 | { |
||
1955 | $this->fail("Wrong exception raised. Expected: '" . $expected . "' Actual: '" . get_class($ex) . "'. Message: " . $ex->getMessage()); |
||
1956 | } |
||
1957 | return; |
||
1958 | } |
||
1959 | |||
1960 | $this->fail($expected .' has not been raised.'); |
||
1961 | } |
||
1962 | } |