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Annotation of embedaddon/sqlite3/test/wal7.test, revision 1.1

1.1     ! misho       1: # 2011 May 16
        !             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 PRAGMA journal_size_limit when
        !            13: # in WAL mode.
        !            14: #
        !            15: 
        !            16: set testdir [file dirname $argv0]
        !            17: source $testdir/tester.tcl
        !            18: ifcapable !wal {finish_test ; return }
        !            19: 
        !            20: # Case 1:  No size limit.  Journal can get large.
        !            21: #
        !            22: do_test wal7-1.0 {
        !            23:   db close
        !            24:   forcedelete test.db
        !            25:   sqlite3 db test.db
        !            26:   db eval {
        !            27:     PRAGMA page_size=1024;
        !            28:     PRAGMA journal_mode=WAL;
        !            29:     PRAGMA wal_autocheckpoint=50;  -- 50 pages
        !            30:     CREATE TABLE t1(x, y UNIQUE);
        !            31:     INSERT INTO t1 VALUES(1,2);
        !            32:     INSERT INTO t1 VALUES(zeroblob(200000),4);
        !            33:     CREATE TABLE t2(z);
        !            34:     DELETE FROM t1;
        !            35:     INSERT INTO t2 SELECT x FROM t1;
        !            36:   }
        !            37:   expr {[file size test.db-wal]>50*1100}
        !            38: } 1
        !            39: do_test wal7-1.1 {
        !            40:   db eval {PRAGMA wal_checkpoint}
        !            41:   expr {[file size test.db-wal]>50*1100}
        !            42: } 1
        !            43: do_test wal7-1.2 {
        !            44:   db eval {INSERT INTO t2 VALUES('hi');}
        !            45:   expr {[file size test.db-wal]>50*1100}
        !            46: } 1
        !            47: 
        !            48: # Case 2:  Size limit at half the autocheckpoint size.
        !            49: #
        !            50: do_test wal7-2.0 {
        !            51:   db close
        !            52:   forcedelete test.db
        !            53:   sqlite3 db test.db
        !            54:   db eval {
        !            55:     PRAGMA page_size=1024;
        !            56:     PRAGMA journal_mode=WAL;
        !            57:     PRAGMA wal_autocheckpoint=50;  -- 50 pages
        !            58:     PRAGMA journal_size_limit=25000;
        !            59:     CREATE TABLE t1(x, y UNIQUE);
        !            60:     INSERT INTO t1 VALUES(1,2);
        !            61:     INSERT INTO t1 VALUES(zeroblob(200000),4);
        !            62:     CREATE TABLE t2(z);
        !            63:     DELETE FROM t1;
        !            64:     INSERT INTO t2 VALUES(1);
        !            65:   }
        !            66:   file size test.db-wal
        !            67: } 25000
        !            68: 
        !            69: 
        !            70: # Case 3:  Size limit of zero.
        !            71: #
        !            72: do_test wal7-3.0 {
        !            73:   db close
        !            74:   forcedelete test.db
        !            75:   sqlite3 db test.db
        !            76:   db eval {
        !            77:     PRAGMA page_size=1024;
        !            78:     PRAGMA journal_mode=WAL;
        !            79:     PRAGMA wal_autocheckpoint=50;  -- 50 pages
        !            80:     PRAGMA journal_size_limit=0;
        !            81:     CREATE TABLE t1(x, y UNIQUE);
        !            82:     INSERT INTO t1 VALUES(1,2);
        !            83:     INSERT INTO t1 VALUES(zeroblob(200000),4);
        !            84:     CREATE TABLE t2(z);
        !            85:     DELETE FROM t1;
        !            86:     INSERT INTO t2 VALUES(1);
        !            87:   }
        !            88:   set sz [file size test.db-wal]
        !            89:   expr {$sz>0 && $sz<13700}
        !            90: } 1
        !            91: 
        !            92: 
        !            93: # Case 4:  Size limit set before going WAL
        !            94: #
        !            95: do_test wal7-4.0 {
        !            96:   db close
        !            97:   forcedelete test.db
        !            98:   sqlite3 db test.db
        !            99:   db eval {
        !           100:     PRAGMA page_size=1024;
        !           101:     PRAGMA journal_size_limit=25000;
        !           102:     PRAGMA journal_mode=WAL;
        !           103:     PRAGMA wal_autocheckpoint=50;  -- 50 pages
        !           104:     CREATE TABLE t1(x, y UNIQUE);
        !           105:     INSERT INTO t1 VALUES(1,2);
        !           106:     INSERT INTO t1 VALUES(zeroblob(200000),4);
        !           107:     CREATE TABLE t2(z);
        !           108:     DELETE FROM t1;
        !           109:     INSERT INTO t2 VALUES(1);
        !           110:   }
        !           111:   set sz [file size test.db-wal]
        !           112: } 25000
        !           113: 
        !           114: 
        !           115: 
        !           116: 
        !           117: 
        !           118: finish_test