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Test long attribute enums with a failing reallocator

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Rhodri James 2017-03-08 18:39:36 +00:00 committed by Sebastian Pipping
parent f1b5c14b96
commit 58ecc804be
1 changed files with 59 additions and 0 deletions
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59
expat/tests/runtests.c
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@ -5894,6 +5894,64 @@ START_TEST(test_alloc_attribute_enum_value)
#undef MAX_ALLOC_COUNT
END_TEST
/* Test attribute enums sufficient to overflow the string pool */
START_TEST(test_alloc_realloc_attribute_enum_value)
{
const char *text =
"<?xml version='1.0' standalone='no'?>\n"
"<!DOCTYPE animal SYSTEM 'test.dtd'>\n"
"<animal>This is a yellow tiger</animal>";
/* We wish to define a collection of attribute enums that will
* cause the string pool storing them to have to expand. This
* means more than 1024 bytes, including the parentheses and
* separator bars.
*/
char dtd_text[] =
"<!ELEMENT animal (#PCDATA)*>\n"
"<!ATTLIST animal thing "
"(default"
/* Each line is 64 characters */
"|ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|BBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|CBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|DBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|EBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|FBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|GBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|HBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|IBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|JBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|KBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|LBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|MBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|NBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|OBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO"
"|PBCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNO)"
" 'default'>";
int i;
#define MAX_REALLOC_COUNT 10
for (i = 0; i < MAX_REALLOC_COUNT; i++) {
reallocation_count = i;
XML_SetExternalEntityRefHandler(parser, external_entity_alloc);
XML_SetUserData(parser, dtd_text);
XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
/* An attribute list handler provokes a different code path */
XML_SetAttlistDeclHandler(parser, dummy_attlist_decl_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 reallocator");
if (i == MAX_REALLOC_COUNT)
fail("Parse failed at maximum reallocation count");
}
#undef MAX_REALLOC_COUNT
END_TEST
static void
nsalloc_setup(void)
{
@ -6656,6 +6714,7 @@ make_suite(void)
tcase_add_test(tc_alloc, test_alloc_parse_public_doctype);
tcase_add_test(tc_alloc, test_alloc_set_foreign_dtd);
tcase_add_test(tc_alloc, test_alloc_attribute_enum_value);
tcase_add_test(tc_alloc, test_alloc_realloc_attribute_enum_value);
suite_add_tcase(s, tc_nsalloc);
tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);