Return to mallocI.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

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

1.1       misho       1: # 2008 August 01
                      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: # This test script checks malloc failures in various obscure operations.
                     13: # 
                     14: # $Id: mallocI.test,v 1.3 2009/08/10 04:26:39 danielk1977 Exp $
                     15: 
                     16: set testdir [file dirname $argv0]
                     17: source $testdir/tester.tcl
                     18: source $testdir/malloc_common.tcl
                     19: 
                     20: # Malloc failures in a view.
                     21: #
                     22: do_malloc_test mallocI-1 -sqlprep {
                     23:   CREATE TABLE t1(a,b,c,d);
                     24:   CREATE VIEW v1 AS SELECT a*b, c*d FROM t1 ORDER BY b-d;
                     25: } -sqlbody {
                     26:   SELECT * FROM v1
                     27: }
                     28: 
                     29: # Malloc failure while trying to service a pragma on a TEMP database.
                     30: #
                     31: do_malloc_test mallocI-2 -sqlbody {
                     32:   PRAGMA temp.page_size
                     33: }
                     34: 
                     35: # Malloc failure while creating a table from a SELECT statement.
                     36: #
                     37: do_malloc_test mallocI-3 -sqlprep {
                     38:   CREATE TABLE t1(a,b,c);
                     39: } -sqlbody {
                     40:   CREATE TABLE t2 AS SELECT b,c FROM t1;
                     41: }
                     42: 
                     43: # This tests that a malloc failure that occurs while passing the schema
                     44: # does not result in a SHARED lock being left on the database file.
                     45: #
                     46: do_malloc_test mallocI-4 -tclprep {
                     47:   sqlite3 db2 test.db
                     48:   db2 eval {
                     49:     CREATE TABLE t1(a, b, c);
                     50:     CREATE TABLE t2(a, b, c);
                     51:   }
                     52: } -sqlbody {
                     53:   SELECT * FROM t1
                     54: } -cleanup {
                     55:   do_test mallocI-4.$::n.2 {
                     56:     # If this INSERT is possible then [db] does not hold a shared lock
                     57:     # on the database file.
                     58:     catchsql { INSERT INTO t1 VALUES(1, 2, 3) } db2
                     59:   } {0 {}}
                     60:   catch {db2 close}
                     61: }
                     62: catch { db2 close }
                     63: 
                     64: finish_test