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Annotation of embedaddon/sqlite3/test/wal7.test, revision 1.1.1.1

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