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Test parsing a PI with a failing allocator

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This commit is contained in:
Rhodri James 2017-02-15 18:17:25 +00:00 committed by Sebastian Pipping
parent 97ad97e9e9
commit a1cffcb4ea
1 changed files with 39 additions and 0 deletions
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39
expat/tests/runtests.c
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@ -3752,6 +3752,44 @@ alloc_teardown(void)
basic_teardown();
}
/* Test the effects of allocation failures on a straightforward parse */
START_TEST(test_alloc_parse)
{
const char *text =
"<?xml version='1.0' encoding='utf-8'?>\n"
"<?pi unknown?>\n"
"<doc>Hello, world</doc>";
int i;
int repeat = 0;
#define MAX_ALLOC_COUNT 10
for (i = 0; i < MAX_ALLOC_COUNT; i++) {
allocation_count = i;
/* Repeat some counts because of cached memory */
if (i == 2 && repeat == 2) {
i -= 2;
repeat++;
} else if ((i == 1 && repeat < 2) ||
(i == 1 && repeat > 2 && repeat < 5)) {
i--;
repeat++;
}
XML_SetProcessingInstructionHandler(parser, dummy_pi_handler);
if (_XML_Parse_SINGLE_BYTES(parser, text, strlen(text),
XML_TRUE) != XML_STATUS_ERROR)
break;
XML_ParserReset(parser, NULL);
}
if (i == 0)
fail("Parse succeeded despite failing allocator");
if (i == MAX_ALLOC_COUNT)
fail("Parse failed with max allocations");
#undef MAX_ALLOC_COUNT
}
END_TEST
static int XMLCALL
external_entity_duff_loader(XML_Parser parser,
const XML_Char *context,
@ -4357,6 +4395,7 @@ make_suite(void)
suite_add_tcase(s, tc_alloc);
tcase_add_checked_fixture(tc_alloc, alloc_setup, alloc_teardown);
tcase_add_test(tc_alloc, test_alloc_parse);
tcase_add_test(tc_alloc, test_alloc_create_external_parser);
tcase_add_test(tc_alloc, test_alloc_run_external_parser);
tcase_add_test(tc_alloc, test_alloc_dtd_copy_default_atts);