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