wasCSharpSQLite – Blame information for rev 7
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Rev | Author | Line No. | Line |
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1 | office | 1 | # 2010 November 1 |
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 that WAL databases may be accessed without |
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13 | # using the xShm primitives if the connection is in exclusive-mode. |
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14 | # |
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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 | set testprefix walnoshm |
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19 | ifcapable !wal {finish_test ; return } |
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20 | |||
21 | db close |
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22 | testvfs tvfsshm |
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23 | testvfs tvfs -default 1 -iversion 1 |
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24 | sqlite3 db test.db |
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25 | |||
26 | #-------------------------------------------------------------------------- |
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27 | # Test that when using a version 1 VFS, a database can only be converted |
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28 | # to WAL mode after setting locking_mode=EXCLUSIVE. Also, test that if a |
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29 | # WAL database is opened using heap-memory for the WAL index, the connection |
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30 | # cannot change back to locking_mode=NORMAL while the database is still in |
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31 | # WAL mode. |
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32 | # |
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33 | do_execsql_test 1.1 { |
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34 | CREATE TABLE t1(x, y); |
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35 | INSERT INTO t1 VALUES(1, 2); |
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36 | } |
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37 | |||
38 | do_execsql_test 1.2 { |
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39 | PRAGMA journal_mode = WAL; |
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40 | SELECT * FROM t1; |
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41 | } {delete 1 2} |
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42 | do_test 1.3 { file exists test.db-wal } {0} |
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43 | |||
44 | do_execsql_test 1.4 { |
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45 | PRAGMA locking_mode = exclusive; |
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46 | PRAGMA journal_mode = WAL; |
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47 | SELECT * FROM t1; |
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48 | } {exclusive wal 1 2} |
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49 | do_test 1.5 { file exists test.db-wal } {1} |
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50 | |||
51 | do_execsql_test 1.6 { INSERT INTO t1 VALUES(3, 4) } |
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52 | |||
53 | do_execsql_test 1.7 { |
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54 | PRAGMA locking_mode = normal; |
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55 | } {exclusive} |
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56 | do_execsql_test 1.8 { |
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57 | PRAGMA journal_mode = delete; |
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58 | PRAGMA main.locking_mode; |
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59 | } {delete exclusive} |
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60 | do_execsql_test 1.9 { |
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61 | PRAGMA locking_mode = normal; |
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62 | } {normal} |
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63 | do_execsql_test 1.10 { |
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64 | SELECT * FROM t1; |
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65 | } {1 2 3 4} |
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66 | do_test 1.11 { file exists test.db-wal } {0} |
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67 | |||
68 | #------------------------------------------------------------------------- |
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69 | # |
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70 | # 2.1.*: Test that a connection using a version 1 VFS can open a WAL database |
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71 | # and convert it to rollback mode if it is set to use |
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72 | # locking_mode=exclusive. |
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73 | # |
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74 | # 2.2.*: Test that if the exclusive lock cannot be obtained while attempting |
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75 | # the above, the operation fails and the WAL file is not opened. |
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76 | # |
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77 | do_execsql_test 2.1.1 { |
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78 | CREATE TABLE t2(x, y); |
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79 | INSERT INTO t2 VALUES('a', 'b'); |
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80 | INSERT INTO t2 VALUES('c', 'd'); |
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81 | } |
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82 | do_execsql_test 2.1.2 { |
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83 | PRAGMA locking_mode = exclusive; |
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84 | PRAGMA journal_mode = WAL; |
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85 | INSERT INTO t2 VALUES('e', 'f'); |
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86 | INSERT INTO t2 VALUES('g', 'h'); |
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87 | } {exclusive wal} |
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88 | |||
89 | do_test 2.1.3 { |
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90 | file copy -force test.db test2.db |
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91 | file copy -force test.db-wal test2.db-wal |
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92 | sqlite3 db2 test2.db |
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93 | catchsql { SELECT * FROM t2 } db2 |
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94 | } {1 {unable to open database file}} |
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95 | do_test 2.1.4 { |
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96 | catchsql { PRAGMA journal_mode = delete } db2 |
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97 | } {1 {unable to open database file}} |
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98 | do_test 2.1.5 { |
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99 | execsql { |
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100 | PRAGMA locking_mode = exclusive; |
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101 | PRAGMA journal_mode = delete; |
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102 | SELECT * FROM t2; |
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103 | } db2 |
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104 | } {exclusive delete a b c d e f g h} |
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105 | |||
106 | do_test 2.2.1 { |
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107 | file copy -force test.db test2.db |
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108 | file copy -force test.db-wal test2.db-wal |
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109 | sqlite3 db3 test2.db -vfs tvfsshm |
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110 | sqlite3 db2 test2.db |
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111 | execsql { SELECT * FROM t2 } db3 |
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112 | } {a b c d e f g h} |
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113 | |||
114 | do_test 2.2.2 { |
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115 | execsql { PRAGMA locking_mode = exclusive } db2 |
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116 | catchsql { PRAGMA journal_mode = delete } db2 |
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117 | } {1 {database is locked}} |
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118 | |||
119 | do_test 2.2.3 { |
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120 | # This is to test that [db2] is not holding a PENDING lock (which can |
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121 | # happen when an attempt to obtain an EXCLUSIVE lock fails). |
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122 | sqlite3 db4 test2.db -vfs tvfsshm |
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123 | execsql { SELECT * FROM t2 } db4 |
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124 | } {a b c d e f g h} |
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125 | |||
126 | do_test 2.2.4 { |
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127 | catchsql { SELECT * FROM t2 } db2 |
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128 | } {1 {database is locked}} |
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129 | |||
130 | do_test 2.2.5 { |
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131 | db4 close |
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132 | sqlite3 db4 test2.db -vfs tvfsshm |
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133 | execsql { SELECT * FROM t2 } db4 |
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134 | } {a b c d e f g h} |
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135 | |||
136 | do_test 2.2.6 { |
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137 | db3 close |
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138 | db4 close |
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139 | execsql { SELECT * FROM t2 } db2 |
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140 | } {a b c d e f g h} |
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141 | |||
142 | db2 close |
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143 | db close |
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144 | |||
145 | #------------------------------------------------------------------------- |
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146 | # |
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147 | # 3.1: Test that if locking_mode=EXCLUSIVE is set after the wal file is |
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148 | # opened, it is possible to drop back to locking_mode=NORMAL. |
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149 | # |
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150 | # 3.2: Test that if locking_mode=EXCLUSIVE is set before the wal file is |
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151 | # opened, it is not. |
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152 | # |
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153 | do_test 3.1 { |
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154 | sqlite3 db test.db -vfs tvfsshm |
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155 | execsql { |
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156 | SELECT * FROM t1; |
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157 | PRAGMA locking_mode = EXCLUSIVE; |
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158 | INSERT INTO t1 VALUES(5, 6); |
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159 | PRAGMA locking_mode = NORMAL; |
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160 | INSERT INTO t1 VALUES(7, 8); |
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161 | } |
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162 | sqlite3 db2 test.db -vfs tvfsshm |
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163 | execsql { SELECT * FROM t1 } db2 |
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164 | } {1 2 3 4 5 6 7 8} |
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165 | db close |
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166 | db2 close |
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167 | do_test 3.2 { |
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168 | sqlite3 db test.db -vfs tvfsshm |
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169 | execsql { |
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170 | PRAGMA locking_mode = EXCLUSIVE; |
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171 | INSERT INTO t1 VALUES(9, 10); |
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172 | PRAGMA locking_mode = NORMAL; |
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173 | INSERT INTO t1 VALUES(11, 12); |
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174 | } |
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175 | sqlite3 db2 test.db -vfs tvfsshm |
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176 | catchsql { SELECT * FROM t1 } db2 |
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177 | } {1 {database is locked}} |
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178 | db close |
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179 | db2 close |
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180 | |||
181 | tvfs delete |
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182 | tvfsshm delete |
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183 | |||
184 | finish_test |