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| 1 # 2003 December 18 | |
| 2 # | |
| 3 # The author disclaims copyright to this source code. In place of | |
| 4 # a legal notice, here is a blessing: | |
| 5 # | |
| 6 # May you do good and not evil. | |
| 7 # May you find forgiveness for yourself and forgive others. | |
| 8 # May you share freely, never taking more than you give. | |
| 9 # | |
| 10 #*********************************************************************** | |
| 11 # This file implements regression tests for SQLite library. The | |
| 12 # focus of this script is multithreading behavior | |
| 13 # | |
| 14 # $Id: thread1.test,v 1.8 2008/10/07 15:25:49 drh Exp $ | |
| 15 | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 # Skip this whole file if the thread testing code is not enabled | |
| 21 # | |
| 22 if {[run_thread_tests]==0} { finish_test ; return } | |
| 23 if {[llength [info command thread_step]]==0 || [sqlite3 -has-codec]} { | |
| 24 finish_test | |
| 25 return | |
| 26 } | |
| 27 | |
| 28 # Create some data to work with | |
| 29 # | |
| 30 do_test thread1-1.1 { | |
| 31 execsql { | |
| 32 CREATE TABLE t1(a,b); | |
| 33 INSERT INTO t1 VALUES(1,'abcdefgh'); | |
| 34 INSERT INTO t1 SELECT a+1, b||b FROM t1; | |
| 35 INSERT INTO t1 SELECT a+2, b||b FROM t1; | |
| 36 INSERT INTO t1 SELECT a+4, b||b FROM t1; | |
| 37 SELECT count(*), max(length(b)) FROM t1; | |
| 38 } | |
| 39 } {8 64} | |
| 40 | |
| 41 # Interleave two threads on read access. Then make sure a third | |
| 42 # thread can write the database. In other words: | |
| 43 # | |
| 44 # read-lock A | |
| 45 # read-lock B | |
| 46 # unlock A | |
| 47 # unlock B | |
| 48 # write-lock C | |
| 49 # | |
| 50 # At one point, the write-lock of C would fail on Linux. | |
| 51 # | |
| 52 do_test thread1-1.2 { | |
| 53 thread_create A test.db | |
| 54 thread_create B test.db | |
| 55 thread_create C test.db | |
| 56 thread_compile A {SELECT a FROM t1} | |
| 57 thread_step A | |
| 58 thread_result A | |
| 59 } SQLITE_ROW | |
| 60 do_test thread1-1.3 { | |
| 61 thread_argc A | |
| 62 } 1 | |
| 63 do_test thread1-1.4 { | |
| 64 thread_argv A 0 | |
| 65 } 1 | |
| 66 do_test thread1-1.5 { | |
| 67 thread_compile B {SELECT b FROM t1} | |
| 68 thread_step B | |
| 69 thread_result B | |
| 70 } SQLITE_ROW | |
| 71 do_test thread1-1.6 { | |
| 72 thread_argc B | |
| 73 } 1 | |
| 74 do_test thread1-1.7 { | |
| 75 thread_argv B 0 | |
| 76 } abcdefgh | |
| 77 do_test thread1-1.8 { | |
| 78 thread_finalize A | |
| 79 thread_result A | |
| 80 } SQLITE_OK | |
| 81 do_test thread1-1.9 { | |
| 82 thread_finalize B | |
| 83 thread_result B | |
| 84 } SQLITE_OK | |
| 85 do_test thread1-1.10 { | |
| 86 thread_compile C {CREATE TABLE t2(x,y)} | |
| 87 thread_step C | |
| 88 thread_result C | |
| 89 } SQLITE_DONE | |
| 90 do_test thread1-1.11 { | |
| 91 thread_finalize C | |
| 92 thread_result C | |
| 93 } SQLITE_OK | |
| 94 do_test thread1-1.12 { | |
| 95 catchsql {SELECT name FROM sqlite_master} | |
| 96 execsql {SELECT name FROM sqlite_master} | |
| 97 } {t1 t2} | |
| 98 | |
| 99 | |
| 100 # | |
| 101 # The following tests - thread1-2.* - test the following scenario: | |
| 102 # | |
| 103 # 1: Read-lock thread A | |
| 104 # 2: Read-lock thread B | |
| 105 # 3: Attempt to write in thread C -> SQLITE_BUSY | |
| 106 # 4: Check db write failed from main thread. | |
| 107 # 5: Unlock from thread A. | |
| 108 # 6: Attempt to write in thread C -> SQLITE_BUSY | |
| 109 # 7: Check db write failed from main thread. | |
| 110 # 8: Unlock from thread B. | |
| 111 # 9: Attempt to write in thread C -> SQLITE_DONE | |
| 112 # 10: Finalize the write from thread C | |
| 113 # 11: Check db write succeeded from main thread. | |
| 114 # | |
| 115 do_test thread1-2.1 { | |
| 116 thread_halt * | |
| 117 thread_create A test.db | |
| 118 thread_compile A {SELECT a FROM t1} | |
| 119 thread_step A | |
| 120 thread_result A | |
| 121 } SQLITE_ROW | |
| 122 do_test thread1-2.2 { | |
| 123 thread_create B test.db | |
| 124 thread_compile B {SELECT b FROM t1} | |
| 125 thread_step B | |
| 126 thread_result B | |
| 127 } SQLITE_ROW | |
| 128 do_test thread1-2.3 { | |
| 129 thread_create C test.db | |
| 130 thread_compile C {INSERT INTO t2 VALUES(98,99)} | |
| 131 thread_step C | |
| 132 thread_result C | |
| 133 thread_finalize C | |
| 134 thread_result C | |
| 135 } SQLITE_BUSY | |
| 136 | |
| 137 do_test thread1-2.4 { | |
| 138 execsql {SELECT * FROM t2} | |
| 139 } {} | |
| 140 | |
| 141 do_test thread1-2.5 { | |
| 142 thread_finalize A | |
| 143 thread_result A | |
| 144 } SQLITE_OK | |
| 145 do_test thread1-2.6 { | |
| 146 thread_compile C {INSERT INTO t2 VALUES(98,99)} | |
| 147 thread_step C | |
| 148 thread_result C | |
| 149 thread_finalize C | |
| 150 thread_result C | |
| 151 } SQLITE_BUSY | |
| 152 do_test thread1-2.7 { | |
| 153 execsql {SELECT * FROM t2} | |
| 154 } {} | |
| 155 do_test thread1-2.8 { | |
| 156 thread_finalize B | |
| 157 thread_result B | |
| 158 } SQLITE_OK | |
| 159 do_test thread1-2.9 { | |
| 160 thread_compile C {INSERT INTO t2 VALUES(98,99)} | |
| 161 thread_step C | |
| 162 thread_result C | |
| 163 } SQLITE_DONE | |
| 164 do_test thread1-2.10 { | |
| 165 thread_finalize C | |
| 166 thread_result C | |
| 167 } SQLITE_OK | |
| 168 do_test thread1-2.11 { | |
| 169 execsql {SELECT * FROM t2} | |
| 170 } {98 99} | |
| 171 | |
| 172 thread_halt * | |
| 173 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
