sl@0: # 2007 April 25
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file contains additional out-of-memory checks (see malloc.tcl)
sl@0: # added to expose a bug in out-of-memory handling for sqlite3_value_text()
sl@0: #
sl@0: # $Id: malloc8.test,v 1.7 2008/02/18 22:24:58 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: source $testdir/malloc_common.tcl
sl@0: 
sl@0: # Only run these tests if memory debugging is turned on.
sl@0: #
sl@0: if {!$MEMDEBUG} {
sl@0:    puts "Skipping malloc8 tests: not compiled with -DSQLITE_MEMDEBUG..."
sl@0:    finish_test
sl@0:    return
sl@0: }
sl@0: 
sl@0: 
sl@0: # The setup is a database with UTF-16 encoding that contains a single
sl@0: # large string.  We will be running lots of queries against this 
sl@0: # database.  Because we will be extracting the string as UTF-8, there
sl@0: # is a type conversion that occurs and thus an opportunity for malloc()
sl@0: # to fail and for sqlite3_value_text() to return 0 even though
sl@0: # sqlite3_value_type() returns SQLITE_TEXT.
sl@0: #
sl@0: 
sl@0: do_malloc_test malloc8-1 -sqlprep {
sl@0:   PRAGMA encoding='UTF-16';
sl@0:   CREATE TABLE t1(a);
sl@0:   INSERT INTO t1 
sl@0:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0: } -sqlbody {
sl@0:   SELECT lower(a), upper(a), quote(a), trim(a), trim('x',a) FROM t1;
sl@0: }
sl@0: do_malloc_test malloc8-2 -sqlprep {
sl@0:   PRAGMA encoding='UTF-16';
sl@0:   CREATE TABLE t1(a);
sl@0:   INSERT INTO t1 
sl@0:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0: } -sqlbody {
sl@0:   SELECT replace(a,'x','y'), replace('x',a,'y'), replace('x','y',a)
sl@0:     FROM t1;
sl@0: }
sl@0: do_malloc_test malloc8-3 -sqlprep {
sl@0:   PRAGMA encoding='UTF-16';
sl@0:   CREATE TABLE t1(a);
sl@0:   INSERT INTO t1 
sl@0:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0: } -sqlbody {
sl@0:   SELECT length(a), substr(a, 4, 4) FROM t1;
sl@0: }
sl@0: ifcapable datetime {
sl@0:   do_malloc_test malloc8-4 -sqlprep {
sl@0:     PRAGMA encoding='UTF-16';
sl@0:     CREATE TABLE t1(a);
sl@0:     INSERT INTO t1 
sl@0:     VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0:   } -sqlbody {
sl@0:     SELECT julianday(a,a) FROM t1;
sl@0:   }
sl@0: }
sl@0: do_malloc_test malloc8-5 -sqlprep {
sl@0:   PRAGMA encoding='UTF-16';
sl@0:   CREATE TABLE t1(a);
sl@0:   INSERT INTO t1 
sl@0:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0: } -sqlbody {
sl@0:   SELECT 1 FROM t1 WHERE a LIKE 'hello' ESCAPE NULL;
sl@0: }
sl@0: do_malloc_test malloc8-6 -sqlprep {
sl@0:   PRAGMA encoding='UTF-16';
sl@0:   CREATE TABLE t1(a);
sl@0:   INSERT INTO t1 
sl@0:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
sl@0: } -sqlbody {
sl@0:   SELECT hex(randomblob(100));
sl@0: }
sl@0: 
sl@0: # Ensure that no file descriptors were leaked.
sl@0: do_test malloc-99.X {
sl@0:   catch {db close}
sl@0:   set sqlite_open_file_count
sl@0: } {0}
sl@0: 
sl@0: finish_test