wasCSharpSQLite – Blame information for rev 1
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1 | office | 1 | # 2007 April 27 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # This file implements regression tests for SQLite library. |
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12 | # |
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13 | # The focus of the tests in this file are to verify that the |
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14 | # underlying TEXT or BLOB representation of an sqlite3_value |
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15 | # changes appropriately when APIs from the following set are |
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16 | # called: |
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17 | # |
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18 | # sqlite3_value_text() |
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19 | # sqlite3_value_text16() |
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20 | # sqlite3_value_blob() |
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21 | # sqlite3_value_bytes() |
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22 | # sqlite3_value_bytes16() |
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23 | # |
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24 | # $Id: ptrchng.test,v 1.5 2008/07/12 14:52:20 drh Exp $ |
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25 | |||
26 | set testdir [file dirname $argv0] |
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27 | source $testdir/tester.tcl |
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28 | |||
29 | ifcapable !bloblit { |
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30 | finish_test |
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31 | return |
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32 | } |
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33 | |||
34 | # Register the "pointer_change" SQL function. |
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35 | # |
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36 | sqlite3_create_function db |
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37 | |||
38 | do_test ptrchng-1.1 { |
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39 | execsql { |
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40 | CREATE TABLE t1(x INTEGER PRIMARY KEY, y BLOB); |
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41 | INSERT INTO t1 VALUES(1, 'abc'); |
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42 | INSERT INTO t1 VALUES(2, |
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43 | 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234356789'); |
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44 | INSERT INTO t1 VALUES(3, x'626c6f62'); |
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45 | INSERT INTO t1 VALUES(4, |
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46 | x'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2021222324' |
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47 | ); |
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48 | SELECT count(*) FROM t1; |
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49 | } |
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50 | } {4} |
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51 | |||
52 | # For the short entries that fit in the Mem.zBuf[], the pointer should |
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53 | # never change regardless of what type conversions occur. |
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54 | # |
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55 | # UPDATE: No longer true, as Mem.zBuf[] has been removed. |
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56 | # |
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57 | do_test ptrchng-2.1 { |
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58 | execsql { |
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59 | SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=1 |
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60 | } |
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61 | } {0} |
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62 | do_test ptrchng-2.2 { |
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63 | execsql { |
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64 | SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=1 |
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65 | } |
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66 | } {0} |
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67 | ifcapable utf16 { |
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68 | do_test ptrchng-2.3 { |
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69 | execsql { |
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70 | SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=1 |
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71 | } |
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72 | } {1} |
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73 | do_test ptrchng-2.4 { |
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74 | execsql { |
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75 | SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=1 |
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76 | } |
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77 | } {1} |
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78 | do_test ptrchng-2.5 { |
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79 | execsql { |
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80 | SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=1 |
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81 | } |
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82 | } {0} |
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83 | do_test ptrchng-2.6 { |
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84 | execsql { |
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85 | SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=1 |
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86 | } |
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87 | } {1} |
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88 | } |
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89 | do_test ptrchng-2.11 { |
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90 | execsql { |
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91 | SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=3 |
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92 | } |
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93 | } {0} |
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94 | do_test ptrchng-2.12 { |
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95 | execsql { |
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96 | SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=3 |
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97 | } |
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98 | } {0} |
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99 | ifcapable utf16 { |
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100 | do_test ptrchng-2.13 { |
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101 | execsql { |
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102 | SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=3 |
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103 | } |
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104 | } {1} |
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105 | do_test ptrchng-2.14 { |
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106 | execsql { |
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107 | SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=3 |
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108 | } |
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109 | } {1} |
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110 | do_test ptrchng-2.15 { |
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111 | execsql { |
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112 | SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=3 |
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113 | } |
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114 | } {0} |
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115 | do_test ptrchng-2.16 { |
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116 | execsql { |
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117 | SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=3 |
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118 | } |
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119 | } {1} |
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120 | } |
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121 | |||
122 | # For the long entries that do not fit in the Mem.zBuf[], the pointer |
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123 | # should change sometimes. |
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124 | # |
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125 | do_test ptrchng-3.1 { |
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126 | execsql { |
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127 | SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=2 |
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128 | } |
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129 | } {0} |
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130 | do_test ptrchng-3.2 { |
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131 | execsql { |
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132 | SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=2 |
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133 | } |
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134 | } {0} |
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135 | ifcapable utf16 { |
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136 | do_test ptrchng-3.3 { |
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137 | execsql { |
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138 | SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=2 |
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139 | } |
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140 | } {1} |
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141 | do_test ptrchng-3.4 { |
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142 | execsql { |
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143 | SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=2 |
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144 | } |
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145 | } {1} |
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146 | do_test ptrchng-3.5 { |
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147 | execsql { |
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148 | SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=2 |
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149 | } |
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150 | } {0} |
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151 | do_test ptrchng-3.6 { |
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152 | execsql { |
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153 | SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=2 |
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154 | } |
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155 | } {1} |
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156 | } |
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157 | do_test ptrchng-3.11 { |
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158 | execsql { |
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159 | SELECT pointer_change(y, 'text', 'noop', 'blob') FROM t1 WHERE x=4 |
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160 | } |
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161 | } {0} |
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162 | do_test ptrchng-3.12 { |
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163 | execsql { |
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164 | SELECT pointer_change(y, 'blob', 'noop', 'text') FROM t1 WHERE x=4 |
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165 | } |
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166 | } {0} |
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167 | ifcapable utf16 { |
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168 | do_test ptrchng-3.13 { |
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169 | execsql { |
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170 | SELECT pointer_change(y, 'text', 'noop', 'text16') FROM t1 WHERE x=4 |
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171 | } |
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172 | } {1} |
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173 | do_test ptrchng-3.14 { |
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174 | execsql { |
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175 | SELECT pointer_change(y, 'blob', 'noop', 'text16') FROM t1 WHERE x=4 |
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176 | } |
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177 | } {1} |
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178 | do_test ptrchng-3.15 { |
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179 | execsql { |
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180 | SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 WHERE x=4 |
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181 | } |
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182 | } {0} |
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183 | do_test ptrchng-3.16 { |
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184 | execsql { |
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185 | SELECT pointer_change(y, 'text16', 'noop', 'text') FROM t1 WHERE x=4 |
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186 | } |
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187 | } {1} |
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188 | } |
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189 | |||
190 | # A call to _bytes() should never reformat a _text() or _blob(). |
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191 | # |
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192 | do_test ptrchng-4.1 { |
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193 | execsql { |
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194 | SELECT pointer_change(y, 'text', 'bytes', 'text') FROM t1 |
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195 | } |
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196 | } {0 0 0 0} |
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197 | do_test ptrchng-4.2 { |
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198 | execsql { |
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199 | SELECT pointer_change(y, 'blob', 'bytes', 'blob') FROM t1 |
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200 | } |
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201 | } {0 0 0 0} |
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202 | |||
203 | # A call to _blob() should never trigger a reformat |
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204 | # |
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205 | do_test ptrchng-5.1 { |
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206 | execsql { |
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207 | SELECT pointer_change(y, 'text', 'bytes', 'blob') FROM t1 |
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208 | } |
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209 | } {0 0 0 0} |
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210 | ifcapable utf16 { |
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211 | do_test ptrchng-5.2 { |
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212 | execsql { |
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213 | SELECT pointer_change(y, 'text16', 'noop', 'blob') FROM t1 |
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214 | } |
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215 | } {0 0 0 0} |
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216 | do_test ptrchng-5.3 { |
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217 | execsql { |
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218 | SELECT pointer_change(y, 'text16', 'bytes16', 'blob') FROM t1 |
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219 | } |
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220 | } {0 0 0 0} |
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221 | } |
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222 | |||
223 | finish_test |