wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2008 August 29 |
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 | # |
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12 | # This file is focused on testing the pcache module. |
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13 | # |
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14 | # $Id: pcache.test,v 1.5 2009/05/08 06:52:48 danielk1977 Exp $ |
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15 | |||
16 | set testdir [file dirname $argv0] |
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17 | source $testdir/tester.tcl |
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18 | |||
19 | # Do not use a codec for tests in this file, as the database file is |
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20 | # manipulated directly using tcl scripts (using the [hexio_write] command). |
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21 | # |
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22 | do_not_use_codec |
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23 | |||
24 | # Only works with a mode-2 pcache where all pcaches share a single set |
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25 | # of pages. |
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26 | # |
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27 | ifcapable {!memorymanage && threadsafe} { |
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28 | finish_test |
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29 | return |
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30 | } |
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31 | |||
32 | # The pcache module limits the number of pages available to purgeable |
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33 | # caches to the sum of the 'cache_size' values for the set of open |
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34 | # caches. This block of tests, pcache-1.*, test that the library behaves |
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35 | # corrctly when it is forced to exceed this limit. |
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36 | # |
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37 | do_test pcache-1.1 { |
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38 | db close |
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39 | pcache_stats |
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40 | } {current 0 max 0 min 0 recyclable 0} |
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41 | |||
42 | do_test pcache-1.2 { |
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43 | sqlite3 db test.db |
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44 | execsql { |
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45 | PRAGMA cache_size=12; |
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46 | PRAGMA auto_vacuum=0; |
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47 | } |
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48 | pcache_stats |
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49 | } {current 1 max 12 min 10 recyclable 1} |
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50 | |||
51 | do_test pcache-1.3 { |
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52 | execsql { |
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53 | BEGIN; |
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54 | CREATE TABLE t1(a, b, c); |
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55 | CREATE TABLE t2(a, b, c); |
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56 | CREATE TABLE t3(a, b, c); |
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57 | CREATE TABLE t4(a, b, c); |
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58 | CREATE TABLE t5(a, b, c); |
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59 | } |
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60 | pcache_stats |
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61 | } {current 6 max 12 min 10 recyclable 0} |
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62 | |||
63 | do_test pcache-1.4 { |
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64 | execsql { |
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65 | CREATE TABLE t6(a, b, c); |
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66 | CREATE TABLE t7(a, b, c); |
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67 | CREATE TABLE t8(a, b, c); |
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68 | CREATE TABLE t9(a, b, c); |
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69 | } |
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70 | pcache_stats |
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71 | } {current 10 max 12 min 10 recyclable 0} |
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72 | |||
73 | do_test pcache-1.5 { |
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74 | sqlite3 db2 test.db |
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75 | execsql "PRAGMA cache_size=10" db2 |
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76 | pcache_stats |
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77 | } {current 11 max 22 min 20 recyclable 1} |
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78 | |||
79 | do_test pcache-1.6.1 { |
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80 | execsql { |
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81 | BEGIN; |
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82 | SELECT * FROM sqlite_master; |
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83 | } db2 |
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84 | pcache_stats |
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85 | } {current 11 max 22 min 20 recyclable 0} |
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86 | |||
87 | # At this point connection db2 has a read lock on the database file and a |
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88 | # single pinned page in its cache. Connection [db] is holding 10 dirty |
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89 | # pages. It cannot recycle them because of the read lock held by db2. |
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90 | # |
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91 | do_test pcache-1.6.2 { |
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92 | execsql { |
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93 | CREATE INDEX i1 ON t1(a, b); |
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94 | CREATE INDEX i2 ON t2(a, b); |
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95 | CREATE INDEX i3 ON t3(a, b); |
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96 | CREATE INDEX i4 ON t4(a, b); |
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97 | CREATE INDEX i5 ON t5(a, b); |
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98 | CREATE INDEX i6 ON t6(a, b); |
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99 | CREATE INDEX i7 ON t7(a, b); |
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100 | CREATE INDEX i8 ON t8(a, b); |
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101 | CREATE INDEX i9 ON t9(a, b); |
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102 | CREATE INDEX i10 ON t9(a, b); |
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103 | CREATE INDEX i11 ON t9(a, b); |
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104 | } |
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105 | pcache_stats |
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106 | } {current 23 max 22 min 20 recyclable 0} |
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107 | |||
108 | do_test pcache-1.7 { |
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109 | execsql { |
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110 | CREATE TABLE t10(a, b, c); |
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111 | } |
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112 | pcache_stats |
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113 | } {current 24 max 22 min 20 recyclable 0} |
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114 | |||
115 | # Rolling back the transaction held by db2 at this point releases a pinned |
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116 | # page. Because the number of allocated pages is greater than the |
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117 | # configured maximum, this page should be freed immediately instead of |
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118 | # recycled. |
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119 | # |
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120 | do_test pcache-1.8 { |
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121 | execsql {ROLLBACK} db2 |
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122 | pcache_stats |
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123 | } {current 23 max 22 min 20 recyclable 0} |
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124 | |||
125 | do_test pcache-1.9 { |
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126 | execsql COMMIT |
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127 | pcache_stats |
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128 | } {current 22 max 22 min 20 recyclable 22} |
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129 | |||
130 | do_test pcache-1.10 { |
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131 | db2 close |
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132 | pcache_stats |
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133 | } {current 12 max 12 min 10 recyclable 12} |
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134 | |||
135 | do_test pcache-1.11 { |
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136 | execsql { PRAGMA cache_size = 20 } |
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137 | pcache_stats |
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138 | } {current 12 max 20 min 10 recyclable 12} |
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139 | |||
140 | do_test pcache-1.12 { |
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141 | execsql { |
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142 | SELECT * FROM t1 ORDER BY a; SELECT * FROM t1; |
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143 | SELECT * FROM t2 ORDER BY a; SELECT * FROM t2; |
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144 | SELECT * FROM t3 ORDER BY a; SELECT * FROM t3; |
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145 | SELECT * FROM t4 ORDER BY a; SELECT * FROM t4; |
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146 | SELECT * FROM t5 ORDER BY a; SELECT * FROM t5; |
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147 | SELECT * FROM t6 ORDER BY a; SELECT * FROM t6; |
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148 | SELECT * FROM t7 ORDER BY a; SELECT * FROM t7; |
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149 | SELECT * FROM t8 ORDER BY a; SELECT * FROM t8; |
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150 | SELECT * FROM t9 ORDER BY a; SELECT * FROM t9; |
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151 | } |
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152 | pcache_stats |
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153 | } {current 19 max 20 min 10 recyclable 19} |
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154 | |||
155 | do_test pcache-1.13 { |
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156 | execsql { PRAGMA cache_size = 15 } |
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157 | pcache_stats |
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158 | } {current 15 max 15 min 10 recyclable 15} |
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159 | |||
160 | do_test pcache-1.14 { |
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161 | hexio_write test.db 24 [hexio_render_int32 1000] |
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162 | execsql { SELECT * FROM sqlite_master } |
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163 | pcache_stats |
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164 | } {current 2 max 15 min 10 recyclable 2} |
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165 | |||
166 | do_test pcache-1.15 { |
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167 | execsql { |
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168 | SELECT * FROM t1 ORDER BY a; SELECT * FROM t1; |
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169 | SELECT * FROM t2 ORDER BY a; SELECT * FROM t2; |
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170 | SELECT * FROM t3 ORDER BY a; SELECT * FROM t3; |
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171 | SELECT * FROM t4 ORDER BY a; SELECT * FROM t4; |
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172 | SELECT * FROM t5 ORDER BY a; SELECT * FROM t5; |
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173 | SELECT * FROM t6 ORDER BY a; SELECT * FROM t6; |
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174 | SELECT * FROM t7 ORDER BY a; SELECT * FROM t7; |
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175 | SELECT * FROM t8 ORDER BY a; SELECT * FROM t8; |
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176 | SELECT * FROM t9 ORDER BY a; SELECT * FROM t9; |
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177 | } |
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178 | pcache_stats |
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179 | } {current 14 max 15 min 10 recyclable 14} |
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180 | |||
181 | finish_test |