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| 1 # 2010 March 17 | |
| 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 file is testing the operation of the library in | |
| 13 # "PRAGMA journal_mode=WAL" mode. The tests in this file use | |
| 14 # brute force methods, so may take a while to run. | |
| 15 # | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 ifcapable !wal {finish_test ; return } | |
| 21 | |
| 22 proc reopen_db {} { | |
| 23 catch { db close } | |
| 24 forcedelete test.db test.db-wal | |
| 25 sqlite3 db test.db | |
| 26 execsql { PRAGMA journal_mode = wal } | |
| 27 } | |
| 28 | |
| 29 db close | |
| 30 save_prng_state | |
| 31 for {set seed 1} {$seed<10} {incr seed} { | |
| 32 expr srand($seed) | |
| 33 restore_prng_state | |
| 34 reopen_db | |
| 35 do_test walslow-1.seed=$seed.0 { | |
| 36 execsql { CREATE TABLE t1(a, b) } | |
| 37 execsql { CREATE INDEX i1 ON t1(a) } | |
| 38 execsql { CREATE INDEX i2 ON t1(b) } | |
| 39 } {} | |
| 40 | |
| 41 for {set iTest 1} {$iTest < 100} {incr iTest} { | |
| 42 | |
| 43 do_test walslow-1.seed=$seed.$iTest.1 { | |
| 44 set w [expr int(rand()*2000)] | |
| 45 set x [expr int(rand()*2000)] | |
| 46 execsql { INSERT INTO t1 VALUES(randomblob($w), randomblob($x)) } | |
| 47 execsql { PRAGMA integrity_check } | |
| 48 } {ok} | |
| 49 | |
| 50 do_test walslow-1.seed=$seed.$iTest.2 { | |
| 51 execsql "PRAGMA wal_checkpoint;" | |
| 52 execsql { PRAGMA integrity_check } | |
| 53 } {ok} | |
| 54 | |
| 55 do_test walslow-1.seed=$seed.$iTest.3 { | |
| 56 forcedelete testX.db testX.db-wal | |
| 57 copy_file test.db testX.db | |
| 58 copy_file test.db-wal testX.db-wal | |
| 59 | |
| 60 sqlite3 db2 testX.db | |
| 61 execsql { PRAGMA journal_mode = WAL } db2 | |
| 62 execsql { PRAGMA integrity_check } db2 | |
| 63 } {ok} | |
| 64 | |
| 65 do_test walslow-1.seed=$seed.$iTest.4 { | |
| 66 execsql { SELECT count(*) FROM t1 WHERE a!=b } db2 | |
| 67 } [execsql { SELECT count(*) FROM t1 WHERE a!=b }] | |
| 68 db2 close | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 | |
| 73 finish_test | |
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