# 2008 April 14 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. # The focus of this file is in making sure that rolling back # a statement journal works correctly. # # $Id: tempdb.test,v 1.4 2009/06/05 17:09:12 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Use a temporary database. # db close sqlite3 db {} # Force a statement journal rollback on a database file that # has never been opened. # do_test tempdb-1.1 { execsql { BEGIN; CREATE TABLE t1(x UNIQUE); CREATE TABLE t2(y); INSERT INTO t2 VALUES('hello'); INSERT INTO t2 VALUES(NULL); } # Because of the transaction, the temporary database file # has not even been opened yet. The following statement # will cause a statement journal rollback on this non-existant # file. catchsql { INSERT INTO t1 SELECT CASE WHEN y IS NULL THEN test_error('oops', 11) ELSE y END FROM t2; } } {1 oops} # Verify that no writes occurred in t1. # do_test tempdb-1.2 { execsql { SELECT * FROM t1 } } {} set extrafds 0 if {[forced_proxy_locking]} { set extrafds 2 } do_test tempdb-2.1 { # Set $::jrnl_in_memory if the journal file is expected to be in-memory. # Similarly, set $::subj_in_memory if the sub-journal file is expected # to be in memory. These variables are used to calculate the expected # number of open files in the test cases below. # set jrnl_in_memory [expr {[permutation] eq "inmemory_journal"}] set subj_in_memory [expr {$jrnl_in_memory || $TEMP_STORE>=2}] db close sqlite3 db test.db } {} do_test tempdb-2.2 { execsql { CREATE TABLE t1 (a PRIMARY KEY, b, c); CREATE TABLE t2 (a, b, c); BEGIN; INSERT INTO t1 VALUES(1, 2, 3); INSERT INTO t1 VALUES(4, 5, 6); INSERT INTO t2 VALUES(7, 8, 9); INSERT INTO t2 SELECT * FROM t1; } catchsql { INSERT INTO t1 SELECT * FROM t2 } set sqlite_open_file_count } [expr 1 + $extrafds + (0==$jrnl_in_memory) + (0==$subj_in_memory)] do_test tempdb-2.3 { execsql { PRAGMA temp_store = 'memory'; ROLLBACK; BEGIN; INSERT INTO t1 VALUES(1, 2, 3); INSERT INTO t1 VALUES(4, 5, 6); INSERT INTO t2 SELECT * FROM t1; } catchsql { INSERT INTO t1 SELECT * FROM t2 } set sqlite_open_file_count } [expr 1 + $extrafds + (0==$jrnl_in_memory)] finish_test