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Annotation of embedaddon/sqlite3/test/malloc8.test, revision 1.1

1.1     ! misho       1: # 2007 April 25
        !             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 contains additional out-of-memory checks (see malloc.tcl)
        !            12: # added to expose a bug in out-of-memory handling for sqlite3_value_text()
        !            13: #
        !            14: # $Id: malloc8.test,v 1.7 2008/02/18 22:24:58 drh Exp $
        !            15: 
        !            16: set testdir [file dirname $argv0]
        !            17: source $testdir/tester.tcl
        !            18: source $testdir/malloc_common.tcl
        !            19: 
        !            20: # Only run these tests if memory debugging is turned on.
        !            21: #
        !            22: if {!$MEMDEBUG} {
        !            23:    puts "Skipping malloc8 tests: not compiled with -DSQLITE_MEMDEBUG..."
        !            24:    finish_test
        !            25:    return
        !            26: }
        !            27: 
        !            28: 
        !            29: # The setup is a database with UTF-16 encoding that contains a single
        !            30: # large string.  We will be running lots of queries against this 
        !            31: # database.  Because we will be extracting the string as UTF-8, there
        !            32: # is a type conversion that occurs and thus an opportunity for malloc()
        !            33: # to fail and for sqlite3_value_text() to return 0 even though
        !            34: # sqlite3_value_type() returns SQLITE_TEXT.
        !            35: #
        !            36: 
        !            37: do_malloc_test malloc8-1 -sqlprep {
        !            38:   PRAGMA encoding='UTF-16';
        !            39:   CREATE TABLE t1(a);
        !            40:   INSERT INTO t1 
        !            41:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            42: } -sqlbody {
        !            43:   SELECT lower(a), upper(a), quote(a), trim(a), trim('x',a) FROM t1;
        !            44: }
        !            45: do_malloc_test malloc8-2 -sqlprep {
        !            46:   PRAGMA encoding='UTF-16';
        !            47:   CREATE TABLE t1(a);
        !            48:   INSERT INTO t1 
        !            49:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            50: } -sqlbody {
        !            51:   SELECT replace(a,'x','y'), replace('x',a,'y'), replace('x','y',a)
        !            52:     FROM t1;
        !            53: }
        !            54: do_malloc_test malloc8-3 -sqlprep {
        !            55:   PRAGMA encoding='UTF-16';
        !            56:   CREATE TABLE t1(a);
        !            57:   INSERT INTO t1 
        !            58:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            59: } -sqlbody {
        !            60:   SELECT length(a), substr(a, 4, 4) FROM t1;
        !            61: }
        !            62: ifcapable datetime {
        !            63:   do_malloc_test malloc8-4 -sqlprep {
        !            64:     PRAGMA encoding='UTF-16';
        !            65:     CREATE TABLE t1(a);
        !            66:     INSERT INTO t1 
        !            67:     VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            68:   } -sqlbody {
        !            69:     SELECT julianday(a,a) FROM t1;
        !            70:   }
        !            71: }
        !            72: do_malloc_test malloc8-5 -sqlprep {
        !            73:   PRAGMA encoding='UTF-16';
        !            74:   CREATE TABLE t1(a);
        !            75:   INSERT INTO t1 
        !            76:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            77: } -sqlbody {
        !            78:   SELECT 1 FROM t1 WHERE a LIKE 'hello' ESCAPE NULL;
        !            79: }
        !            80: do_malloc_test malloc8-6 -sqlprep {
        !            81:   PRAGMA encoding='UTF-16';
        !            82:   CREATE TABLE t1(a);
        !            83:   INSERT INTO t1 
        !            84:   VALUES('0123456789aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ');
        !            85: } -sqlbody {
        !            86:   SELECT hex(randomblob(100));
        !            87: }
        !            88: 
        !            89: # Ensure that no file descriptors were leaked.
        !            90: do_test malloc-99.X {
        !            91:   catch {db close}
        !            92:   set sqlite_open_file_count
        !            93: } {0}
        !            94: 
        !            95: finish_test