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Test public parameter entity with failing allocator

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Rhodri James 2017-03-06 15:30:59 +00:00 committed by Sebastian Pipping
parent e57d2413a1
commit 8babc25e44
1 changed files with 66 additions and 0 deletions
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66
expat/tests/runtests.c
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@ -5506,6 +5506,71 @@ START_TEST(test_alloc_realloc_many_attributes)
}
END_TEST
/* Test handling of a public entity with failing allocator */
static int XMLCALL
external_entity_public(XML_Parser parser,
const XML_Char *context,
const XML_Char *UNUSED_P(base),
const XML_Char *systemId,
const XML_Char *publicId)
{
const char *text1 =
"<!ELEMENT doc EMPTY>\n"
"<!ENTITY % e1 PUBLIC 'foo' 'bar.ent'>\n"
"<!ENTITY % e2 '%e1;'>\n"
"%e1;\n";
const char *text2 = "<!ATTLIST doc a CDATA 'value'>";
const char *text;
XML_Parser ext_parser;
ext_parser = XML_ExternalEntityParserCreate(parser, context, NULL);
if (ext_parser == NULL)
return XML_STATUS_ERROR;
if (systemId != NULL && !strcmp(systemId, "http://example.org/")) {
text = text1;
}
else if (publicId != NULL && !strcmp(publicId, "foo")) {
text = text2;
}
return _XML_Parse_SINGLE_BYTES(ext_parser, text, strlen(text),
XML_TRUE);
}
START_TEST(test_alloc_public_entity_value)
{
const char *text =
"<!DOCTYPE doc SYSTEM 'http://example.org/'>\n"
"<doc></doc>\n";
int i;
#define MAX_ALLOC_COUNT 25
int repeat = 0;
for (i = 0; i < MAX_ALLOC_COUNT; i++) {
/* Repeat certain counts to defeat cached allocations */
if ((i == 2 && repeat < 2) ||
(i == 3 && repeat == 2) ||
(i == 9 && repeat == 3) ||
(i == 18 && repeat == 4) ||
(i == 19 && repeat == 5)) {
i--;
repeat++;
}
allocation_count = i;
XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
XML_SetExternalEntityRefHandler(parser, external_entity_public);
if (_XML_Parse_SINGLE_BYTES(parser, text, strlen(text),
XML_TRUE) != XML_STATUS_ERROR)
break;
XML_ParserReset(parser, NULL);
}
if (i == 0)
fail("Parsing worked despite failing allocation");
else if (i == MAX_ALLOC_COUNT)
fail("Parsing failed at max allocation count");
}
#undef MAX_ALLOC_COUNT
END_TEST
static void
nsalloc_setup(void)
@ -6259,6 +6324,7 @@ make_suite(void)
tcase_add_test(tc_alloc, test_alloc_realloc_buffer);
tcase_add_test(tc_alloc, test_alloc_ext_entity_realloc_buffer);
tcase_add_test(tc_alloc, test_alloc_realloc_many_attributes);
tcase_add_test(tc_alloc, test_alloc_public_entity_value);
suite_add_tcase(s, tc_nsalloc);
tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);