wasCSharpSQLite – Blame information for rev 1
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1 | office | 1 | # 2001 September 15 |
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 this file is testing the ability of the database to |
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14 | # uses its rollback journal to recover intact (no database corruption) |
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15 | # from a power failure during the middle of a COMMIT. Even more |
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16 | # specifically, the tests in this file verify this functionality |
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17 | # for storage mediums with various sector sizes. |
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18 | # |
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19 | # $Id: crash2.test,v 1.6 2008/08/25 07:12:29 danielk1977 Exp $ |
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20 | |||
21 | set testdir [file dirname $argv0] |
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22 | source $testdir/tester.tcl |
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23 | |||
24 | ifcapable !crashtest { |
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25 | finish_test |
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26 | return |
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27 | } |
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28 | |||
29 | db close |
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30 | |||
31 | # This test is designed to check that the crash-test infrastructure |
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32 | # can create files that do not consist of an integer number of |
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33 | # simulated disk blocks (i.e. 3KB file using 2KB disk blocks). |
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34 | # |
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35 | do_test crash2-1.1 { |
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36 | crashsql -delay 500 -file test.db -blocksize 2048 { |
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37 | PRAGMA auto_vacuum=OFF; |
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38 | PRAGMA page_size=1024; |
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39 | BEGIN; |
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40 | CREATE TABLE abc AS SELECT 1 AS a, 2 AS b, 3 AS c; |
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41 | CREATE TABLE def AS SELECT 1 AS d, 2 AS e, 3 AS f; |
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42 | COMMIT; |
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43 | } |
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44 | file size test.db |
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45 | } {3072} |
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46 | |||
47 | for {set ii 0} {$ii < 5} {incr ii} { |
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48 | |||
49 | # Simple test using the database created above: Create a new |
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50 | # table so that page 1 and page 4 are modified. Using a |
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51 | # block-size of 2048 and page-size of 1024, this means |
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52 | # pages 2 and 3 must also be saved in the journal to avoid |
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53 | # risking corruption. |
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54 | # |
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55 | # The loop is so that this test can be run with a couple |
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56 | # of different seeds for the random number generator. |
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57 | # |
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58 | do_test crash2-1.2.$ii { |
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59 | crashsql -file test.db -blocksize 2048 [subst { |
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60 | [string repeat {SELECT random();} $ii] |
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61 | CREATE TABLE hij(h, i, j); |
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62 | }] |
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63 | sqlite3 db test.db |
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64 | db eval {PRAGMA integrity_check} |
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65 | } {ok} |
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66 | } |
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67 | |||
68 | proc signature {} { |
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69 | return [db eval {SELECT count(*), md5sum(a), md5sum(b), md5sum(c) FROM abc}] |
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70 | } |
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71 | |||
72 | # Test case for crashing during journal sync with simulated |
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73 | # sector-size values from 1024 to 8192. |
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74 | # |
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75 | do_test crash2-2.0 { |
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76 | execsql BEGIN |
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77 | for {set n 0} {$n < 1000} {incr n} { |
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78 | execsql "INSERT INTO abc VALUES($n, [expr 2*$n], [expr 3*$n])" |
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79 | } |
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80 | execsql { |
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81 | INSERT INTO abc SELECT * FROM abc; |
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82 | INSERT INTO abc SELECT * FROM abc; |
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83 | INSERT INTO abc SELECT * FROM abc; |
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84 | INSERT INTO abc SELECT * FROM abc; |
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85 | INSERT INTO abc SELECT * FROM abc; |
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86 | } |
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87 | execsql COMMIT |
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88 | expr ([file size test.db] / 1024) > 450 |
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89 | } {1} |
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90 | for {set i 1} {$i < 30} {incr i} { |
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91 | set sig [signature] |
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92 | set sector [expr 1024 * 1<<($i%4)] |
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93 | db close |
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94 | do_test crash2-2.$i.1 { |
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95 | crashsql -blocksize $sector -delay [expr $i%5 + 1] -file test.db-journal " |
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96 | PRAGMA temp_store = memory; |
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97 | BEGIN; |
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98 | SELECT random() FROM abc LIMIT $i; |
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99 | INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0; |
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100 | DELETE FROM abc WHERE random()%2!=0; |
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101 | COMMIT; |
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102 | " |
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103 | } {1 {child process exited abnormally}} |
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104 | do_test crash2-2.$i.2 { |
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105 | sqlite3 db test.db |
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106 | signature |
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107 | } $sig |
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108 | } |
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109 | |||
110 | |||
111 | # Test case for crashing during database sync with simulated |
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112 | # sector-size values from 1024 to 8192. |
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113 | # |
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114 | for {set i 1} {$i < 10} {incr i} { |
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115 | set sig [signature] |
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116 | set sector [expr 1024 * 1<<($i%4)] |
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117 | db close |
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118 | do_test crash2-3.$i.1 { |
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119 | crashsql -blocksize $sector -file test.db " |
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120 | BEGIN; |
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121 | SELECT random() FROM abc LIMIT $i; |
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122 | INSERT INTO abc SELECT randstr(10,10), 0, 0 FROM abc WHERE random()%2==0; |
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123 | DELETE FROM abc WHERE random()%2!=0; |
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124 | COMMIT; |
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125 | " |
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126 | } {1 {child process exited abnormally}} |
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127 | do_test crash2-3.$i.2 { |
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128 | sqlite3 db test.db |
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129 | signature |
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130 | } $sig |
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131 | } |
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132 | |||
133 | finish_test |