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

1.1       misho       1: # 2008 April 14
                      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.
                     12: # The focus of this file is in making sure that rolling back
                     13: # a statement journal works correctly.
                     14: #
                     15: # $Id: tempdb.test,v 1.4 2009/06/05 17:09:12 drh Exp $
                     16: 
                     17: set testdir [file dirname $argv0]
                     18: source $testdir/tester.tcl
                     19: 
                     20: # Use a temporary database.
                     21: #
                     22: db close
                     23: sqlite3 db {}
                     24: 
                     25: # Force a statement journal rollback on a database file that
                     26: # has never been opened.
                     27: #
                     28: do_test tempdb-1.1 {
                     29:   execsql {
                     30:     BEGIN;
                     31:     CREATE TABLE t1(x UNIQUE);
                     32:     CREATE TABLE t2(y);
                     33:     INSERT INTO t2 VALUES('hello');
                     34:     INSERT INTO t2 VALUES(NULL);
                     35:   }
                     36:   # Because of the transaction, the temporary database file
                     37:   # has not even been opened yet.  The following statement
                     38:   # will cause a statement journal rollback on this non-existant
                     39:   # file.
                     40:   catchsql {
                     41:     INSERT INTO t1
                     42:     SELECT CASE WHEN y IS NULL THEN test_error('oops', 11) ELSE y END
                     43:       FROM t2;
                     44:   }
                     45: } {1 oops}
                     46: 
                     47: # Verify that no writes occurred in t1.
                     48: #
                     49: do_test tempdb-1.2 {
                     50:   execsql {
                     51:     SELECT * FROM t1
                     52:   }
                     53: } {}
                     54: 
                     55: do_test tempdb-2.1 {
                     56:   # Set $::jrnl_in_memory if the journal file is expected to be in-memory.
                     57:   # Similarly, set $::subj_in_memory if the sub-journal file is expected
                     58:   # to be in memory. These variables are used to calculate the expected
                     59:   # number of open files in the test cases below.
                     60:   #
                     61:   set jrnl_in_memory [expr {[permutation] eq "inmemory_journal"}]
                     62:   set subj_in_memory [expr {$jrnl_in_memory || $TEMP_STORE>=2}]
                     63: 
                     64:   db close
                     65:   sqlite3 db test.db
                     66: } {}
                     67: do_test tempdb-2.2 {
                     68:   execsql {
                     69:     CREATE TABLE t1 (a PRIMARY KEY, b, c);
                     70:     CREATE TABLE t2 (a, b, c);
                     71:     BEGIN;
                     72:       INSERT INTO t1 VALUES(1, 2, 3);
                     73:       INSERT INTO t1 VALUES(4, 5, 6);
                     74:       INSERT INTO t2 VALUES(7, 8, 9);
                     75:       INSERT INTO t2 SELECT * FROM t1;
                     76:   }
                     77:   catchsql { INSERT INTO t1 SELECT * FROM t2 }
                     78:   set sqlite_open_file_count
                     79: } [expr 1 + (0==$jrnl_in_memory) + (0==$subj_in_memory)]
                     80: do_test tempdb-2.3 {
                     81:   execsql {
                     82:     PRAGMA temp_store = 'memory';
                     83:     ROLLBACK;
                     84:     BEGIN;
                     85:       INSERT INTO t1 VALUES(1, 2, 3);
                     86:       INSERT INTO t1 VALUES(4, 5, 6);
                     87:       INSERT INTO t2 SELECT * FROM t1;
                     88:   }
                     89:   catchsql { INSERT INTO t1 SELECT * FROM t2 }
                     90:   set sqlite_open_file_count
                     91: } [expr 1 + (0==$jrnl_in_memory)]
                     92: 
                     93: finish_test