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| 1 # 2005 January 19 | |
| 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 # | |
| 12 # $Id: shared3.test,v 1.4 2008/08/20 14:49:25 danielk1977 Exp $ | |
| 13 | |
| 14 set testdir [file dirname $argv0] | |
| 15 source $testdir/tester.tcl | |
| 16 set testprefix shared3 | |
| 17 db close | |
| 18 | |
| 19 ifcapable !shared_cache { | |
| 20 finish_test | |
| 21 return | |
| 22 } | |
| 23 set ::enable_shared_cache [sqlite3_enable_shared_cache 1] | |
| 24 | |
| 25 # Ticket #1824 | |
| 26 # | |
| 27 do_test shared3-1.1 { | |
| 28 forcedelete test.db test.db-journal | |
| 29 sqlite3 db1 test.db | |
| 30 db1 eval { | |
| 31 PRAGMA encoding=UTF16; | |
| 32 CREATE TABLE t1(x,y); | |
| 33 INSERT INTO t1 VALUES('abc','This is a test string'); | |
| 34 } | |
| 35 db1 close | |
| 36 sqlite3 db1 test.db | |
| 37 db1 eval {SELECT * FROM t1} | |
| 38 } {abc {This is a test string}} | |
| 39 do_test shared3-1.2 { | |
| 40 sqlite3 db2 test.db | |
| 41 db2 eval {SELECT y FROM t1 WHERE x='abc'} | |
| 42 } {{This is a test string}} | |
| 43 | |
| 44 db1 close | |
| 45 db2 close | |
| 46 | |
| 47 do_test shared3-2.1 { | |
| 48 sqlite3 db1 test.db | |
| 49 execsql { | |
| 50 PRAGMA main.cache_size = 10; | |
| 51 } db1 | |
| 52 } {} | |
| 53 do_test shared3-2.2 { | |
| 54 execsql { PRAGMA main.cache_size } db1 | |
| 55 } {10} | |
| 56 do_test shared3-2.3 { | |
| 57 sqlite3 db2 test.db | |
| 58 execsql { PRAGMA main.cache_size } db1 | |
| 59 } {10} | |
| 60 do_test shared3-2.4 { | |
| 61 execsql { PRAGMA main.cache_size } db2 | |
| 62 } {10} | |
| 63 do_test shared3-2.5 { | |
| 64 execsql { PRAGMA main.cache_size } db1 | |
| 65 } {10} | |
| 66 | |
| 67 # The cache-size should now be 10 pages. However at one point there was | |
| 68 # a bug that caused the cache size to return to the default value when | |
| 69 # a second connection was opened on the shared-cache (as happened in | |
| 70 # test case shared3-2.3 above). The goal of the following tests is to | |
| 71 # ensure that the cache-size really is 10 pages. | |
| 72 # | |
| 73 if {$::tcl_platform(platform)=="unix"} { | |
| 74 set alternative_name ./test.db | |
| 75 } else { | |
| 76 set alternative_name TEST.DB | |
| 77 } | |
| 78 do_test shared3-2.6 { | |
| 79 sqlite3 db3 $alternative_name | |
| 80 catchsql {select count(*) from sqlite_master} db3 | |
| 81 } {0 1} | |
| 82 do_test shared3-2.7 { | |
| 83 execsql { | |
| 84 BEGIN; | |
| 85 INSERT INTO t1 VALUES(10, randomblob(5000)) | |
| 86 } db1 | |
| 87 catchsql {select count(*) from sqlite_master} db3 | |
| 88 } {0 1} | |
| 89 do_test shared3-2.8 { | |
| 90 db3 close | |
| 91 execsql { | |
| 92 INSERT INTO t1 VALUES(10, randomblob(10000)) | |
| 93 } db1 | |
| 94 | |
| 95 # If the pager-cache is really still limited to 10 pages, then the INSERT | |
| 96 # statement above should have caused the pager to grab an exclusive lock | |
| 97 # on the database file so that the cache could be spilled. | |
| 98 # | |
| 99 catch { sqlite3 db3 $alternative_name } | |
| 100 catchsql {select count(*) from sqlite_master} db3 | |
| 101 } {1 {database is locked}} | |
| 102 | |
| 103 db1 close | |
| 104 db2 close | |
| 105 db3 close | |
| 106 | |
| 107 #------------------------------------------------------------------------- | |
| 108 # At one point this was causing a faulty assert to fail. | |
| 109 # | |
| 110 forcedelete test.db | |
| 111 sqlite3 db test.db | |
| 112 sqlite3 db2 test.db | |
| 113 do_execsql_test 3.1 { | |
| 114 PRAGMA auto_vacuum = 2; | |
| 115 CREATE TABLE t1(x, y); | |
| 116 INSERT INTO t1 VALUES(randomblob(500), randomblob(500)); | |
| 117 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 118 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 119 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 120 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 121 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 122 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 123 INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1; | |
| 124 } | |
| 125 do_test 3.2 { | |
| 126 execsql { SELECT count(*) FROM sqlite_master } db2 | |
| 127 } {1} | |
| 128 do_execsql_test 3.3 { | |
| 129 BEGIN; | |
| 130 DELETE FROM t1 WHERE 1; | |
| 131 PRAGMA incremental_vacuum; | |
| 132 } {} | |
| 133 do_test 3.4 { | |
| 134 execsql { SELECT count(*) FROM sqlite_master } db2 | |
| 135 } {1} | |
| 136 do_test 3.5 { | |
| 137 execsql { COMMIT } | |
| 138 } {} | |
| 139 | |
| 140 sqlite3_enable_shared_cache $::enable_shared_cache | |
| 141 finish_test | |
| 142 | |
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