wasCSharpSQLite – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | # 2010 June 30 |
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. The |
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12 | # focus of this file is testing the sqlite3_unlock_notify() API. |
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13 | # |
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14 | |||
15 | set testdir [file dirname $argv0] |
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16 | source $testdir/tester.tcl |
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17 | |||
18 | # This script only runs if shared-cache and unlock-notify are available. |
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19 | # |
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20 | ifcapable !unlock_notify||!shared_cache { |
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21 | finish_test |
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22 | return |
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23 | } |
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24 | |||
25 | set esc [sqlite3_enable_shared_cache 1] |
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26 | |||
27 | sqlite3 db test.db |
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28 | file delete -force test.db2 test.db2-journal test.db2-wal |
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29 | sqlite3 db2 test.db2 |
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30 | |||
31 | do_test notify3-1.1 { |
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32 | execsql { |
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33 | CREATE TABLE t1(a, b); |
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34 | INSERT INTO t1 VALUES('t1 A', 't1 B'); |
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35 | } |
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36 | } {} |
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37 | do_test notify3-1.2 { |
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38 | execsql { |
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39 | CREATE TABLE t2(a, b); |
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40 | INSERT INTO t2 VALUES('t2 A', 't2 B'); |
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41 | } db2 |
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42 | } {} |
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43 | |||
44 | do_test notify3-1.3 { |
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45 | execsql { |
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46 | BEGIN EXCLUSIVE; |
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47 | INSERT INTO t2 VALUES('t2 C', 't2 D'); |
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48 | } db2 |
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49 | } {} |
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50 | do_test notify3-1.4 { |
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51 | catchsql { ATTACH 'test.db2' AS aux } |
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52 | } {0 {}} |
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53 | |||
54 | do_test notify3-1.5 { |
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55 | catchsql { SELECT * FROM t2 } |
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56 | } {1 {database schema is locked: aux}} |
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57 | |||
58 | do_test notify3-1.6 { |
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59 | list [sqlite3_errcode db] [sqlite3_extended_errcode db] |
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60 | } {SQLITE_LOCKED SQLITE_LOCKED_SHAREDCACHE} |
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61 | |||
62 | do_test notify3-1.7 { |
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63 | sqlite3_extended_result_codes db 1 |
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64 | catch { set ::stmt [sqlite3_prepare_v2 db "SELECT * FROM t2" -1 tail] } msg |
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65 | set msg |
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66 | } {(262) database schema is locked: aux} |
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67 | |||
68 | do_test notify3-1.8 { |
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69 | set ::when 1 |
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70 | db unlock_notify { set ::res $::when } |
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71 | set ::when 2 |
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72 | execsql { COMMIT } db2 |
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73 | set ::res |
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74 | } {2} |
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75 | do_test notify3-1.9 { |
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76 | catchsql { SELECT * FROM t2 } |
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77 | } {0 {{t2 A} {t2 B} {t2 C} {t2 D}}} |
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78 | db close |
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79 | |||
80 | |||
81 | set err {{1 {unable to open database: test.db2}}} |
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82 | set noerr {{0 {}}} |
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83 | |||
84 | # When a new database is attached, the connection doing the attaching |
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85 | # tries to load any unloaded schemas for both the new database and any |
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86 | # already attached databases (including the main database). If it is |
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87 | # unable to load any such schemas, then the ATTACH statement fails. |
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88 | # |
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89 | # This block tests that if the loading of schemas as a result of an |
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90 | # ATTACH fails due to locks on the schema table held by other shared-cache |
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91 | # connections the extended error code is SQLITE_LOCKED_SHAREDCACHE and |
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92 | # it is possible to use the unlock-notify mechanism to determine when |
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93 | # the ATTACH might succeed. |
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94 | # |
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95 | # This test does not work for test-permutations that specify SQL to |
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96 | # be executed as part of the [sqlite3] command that opens the database. |
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97 | # Executing such SQL causes SQLite to load the database schema into memory |
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98 | # earlier than expected, causing test cases to fail. |
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99 | # |
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100 | if {[presql] == ""} { |
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101 | foreach { |
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102 | tn |
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103 | db1_loaded |
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104 | db2_loaded |
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105 | enable_extended_errors |
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106 | result |
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107 | error1 error2 |
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108 | } " |
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109 | |||
110 | 1 0 0 1 $err SQLITE_LOCKED_SHAREDCACHE SQLITE_LOCKED_SHAREDCACHE |
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111 | 2 0 1 0 $err SQLITE_LOCKED SQLITE_LOCKED_SHAREDCACHE |
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112 | 3 0 1 1 $err SQLITE_LOCKED_SHAREDCACHE SQLITE_LOCKED_SHAREDCACHE |
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113 | 4 1 0 0 $err SQLITE_LOCKED SQLITE_LOCKED_SHAREDCACHE |
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114 | 5 1 0 1 $err SQLITE_LOCKED_SHAREDCACHE SQLITE_LOCKED_SHAREDCACHE |
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115 | 6 1 1 0 $noerr SQLITE_OK SQLITE_OK |
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116 | 7 1 1 1 $noerr SQLITE_OK SQLITE_OK |
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117 | " { |
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118 | |||
119 | do_test notify3-2.$tn.1 { |
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120 | catch { db1 close } |
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121 | catch { db2 close } |
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122 | sqlite3 db1 test.db |
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123 | sqlite3 db2 test.db2 |
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124 | |||
125 | sqlite3_extended_result_codes db1 $enable_extended_errors |
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126 | sqlite3_extended_result_codes db2 $enable_extended_errors |
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127 | |||
128 | if { $db1_loaded } { db1 eval "SELECT * FROM sqlite_master" } |
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129 | if { $db2_loaded } { db2 eval "SELECT * FROM sqlite_master" } |
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130 | |||
131 | db2 eval "BEGIN EXCLUSIVE" |
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132 | catchsql "ATTACH 'test.db2' AS two" db1 |
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133 | } $result |
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134 | |||
135 | do_test notify3-2.$tn.2 { |
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136 | list [sqlite3_errcode db1] [sqlite3_extended_errcode db1] |
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137 | } [list $error1 $error2] |
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138 | |||
139 | do_test notify3-2.$tn.3 { |
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140 | db1 unlock_notify {set invoked 1} |
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141 | set invoked 0 |
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142 | db2 eval commit |
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143 | set invoked |
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144 | } [lindex $result 0] |
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145 | } |
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146 | } |
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147 | catch { db1 close } |
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148 | catch { db2 close } |
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149 | |||
150 | |||
151 | sqlite3_enable_shared_cache $esc |
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152 | finish_test |
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153 |