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+/* Tests in the "miscellaneous" test case for the Expat test suite
+ __ __ _
+ ___\ \/ /_ __ __ _| |_
+ / _ \\ /| '_ \ / _` | __|
+ | __// \| |_) | (_| | |_
+ \___/_/\_\ .__/ \__,_|\__|
+ |_| XML parser
+
+ Copyright (c) 2001-2006 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
+ Copyright (c) 2003 Greg Stein <gstein@users.sourceforge.net>
+ Copyright (c) 2005-2007 Steven Solie <steven@solie.ca>
+ Copyright (c) 2005-2012 Karl Waclawek <karl@waclawek.net>
+ Copyright (c) 2016-2025 Sebastian Pipping <sebastian@pipping.org>
+ Copyright (c) 2017-2022 Rhodri James <rhodri@wildebeest.org.uk>
+ Copyright (c) 2017 Joe Orton <jorton@redhat.com>
+ Copyright (c) 2017 José Gutiérrez de la Concha <jose@zeroc.com>
+ Copyright (c) 2018 Marco Maggi <marco.maggi-ipsu@poste.it>
+ Copyright (c) 2019 David Loffredo <loffredo@steptools.com>
+ Copyright (c) 2020 Tim Gates <tim.gates@iress.com>
+ Copyright (c) 2021 Donghee Na <donghee.na@python.org>
+ Copyright (c) 2023 Sony Corporation / Snild Dolkow <snild@sony.com>
+ Licensed under the MIT license:
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to permit
+ persons to whom the Software is furnished to do so, subject to the
+ following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#if defined(NDEBUG)
+# undef NDEBUG /* because test suite relies on assert(...) at the moment */
+#endif
+
+#include <assert.h>
+#include <string.h>
+
+#include "expat_config.h"
+
+#include "expat.h"
+#include "internal.h"
+#include "minicheck.h"
+#include "memcheck.h"
+#include "common.h"
+#include "ascii.h" /* for ASCII_xxx */
+#include "handlers.h"
+#include "misc_tests.h"
+
+void XMLCALL accumulate_characters_ext_handler(void *userData,
+ const XML_Char *s, int len);
+
+/* Test that a failure to allocate the parser structure fails gracefully */
+START_TEST(test_misc_alloc_create_parser) {
+ XML_Memory_Handling_Suite memsuite = {duff_allocator, realloc, free};
+ unsigned int i;
+ const unsigned int max_alloc_count = 10;
+
+ /* Something this simple shouldn't need more than 10 allocations */
+ for (i = 0; i < max_alloc_count; i++) {
+ g_allocation_count = i;
+ g_parser = XML_ParserCreate_MM(NULL, &memsuite, NULL);
+ if (g_parser != NULL)
+ break;
+ }
+ if (i == 0)
+ fail("Parser unexpectedly ignored failing allocator");
+ else if (i == max_alloc_count)
+ fail("Parser not created with max allocation count");
+}
+END_TEST
+
+/* Test memory allocation failures for a parser with an encoding */
+START_TEST(test_misc_alloc_create_parser_with_encoding) {
+ XML_Memory_Handling_Suite memsuite = {duff_allocator, realloc, free};
+ unsigned int i;
+ const unsigned int max_alloc_count = 10;
+
+ /* Try several levels of allocation */
+ for (i = 0; i < max_alloc_count; i++) {
+ g_allocation_count = i;
+ g_parser = XML_ParserCreate_MM(XCS("us-ascii"), &memsuite, NULL);
+ if (g_parser != NULL)
+ break;
+ }
+ if (i == 0)
+ fail("Parser ignored failing allocator");
+ else if (i == max_alloc_count)
+ fail("Parser not created with max allocation count");
+}
+END_TEST
+
+/* Test that freeing a NULL parser doesn't cause an explosion.
+ * (Not actually tested anywhere else)
+ */
+START_TEST(test_misc_null_parser) {
+ XML_ParserFree(NULL);
+}
+END_TEST
+
+#if defined(__has_feature)
+# if __has_feature(undefined_behavior_sanitizer)
+# define EXPAT_TESTS_UBSAN 1
+# else
+# define EXPAT_TESTS_UBSAN 0
+# endif
+#else
+# define EXPAT_TESTS_UBSAN 0
+#endif
+
+/* Test that XML_ErrorString rejects out-of-range codes */
+START_TEST(test_misc_error_string) {
+#if ! EXPAT_TESTS_UBSAN // because this would trigger UBSan
+ union {
+ enum XML_Error xml_error;
+ int integer;
+ } trickery;
+
+ assert_true(sizeof(enum XML_Error) == sizeof(int)); // self-test
+
+ trickery.integer = -1;
+ if (XML_ErrorString(trickery.xml_error) != NULL)
+ fail("Negative error code not rejected");
+
+ trickery.integer = 100;
+ if (XML_ErrorString(trickery.xml_error) != NULL)
+ fail("Large error code not rejected");
+#endif
+}
+END_TEST
+
+/* Test the version information is consistent */
+
+/* Since we are working in XML_LChars (potentially 16-bits), we
+ * can't use the standard C library functions for character
+ * manipulation and have to roll our own.
+ */
+static int
+parse_version(const XML_LChar *version_text,
+ XML_Expat_Version *version_struct) {
+ if (! version_text)
+ return XML_FALSE;
+
+ while (*version_text != 0x00) {
+ if (*version_text >= ASCII_0 && *version_text <= ASCII_9)
+ break;
+ version_text++;
+ }
+ if (*version_text == 0x00)
+ return XML_FALSE;
+
+ /* version_struct->major = strtoul(version_text, 10, &version_text) */
+ version_struct->major = 0;
+ while (*version_text >= ASCII_0 && *version_text <= ASCII_9) {
+ version_struct->major
+ = 10 * version_struct->major + (*version_text++ - ASCII_0);
+ }
+ if (*version_text++ != ASCII_PERIOD)
+ return XML_FALSE;
+
+ /* Now for the minor version number */
+ version_struct->minor = 0;
+ while (*version_text >= ASCII_0 && *version_text <= ASCII_9) {
+ version_struct->minor
+ = 10 * version_struct->minor + (*version_text++ - ASCII_0);
+ }
+ if (*version_text++ != ASCII_PERIOD)
+ return XML_FALSE;
+
+ /* Finally the micro version number */
+ version_struct->micro = 0;
+ while (*version_text >= ASCII_0 && *version_text <= ASCII_9) {
+ version_struct->micro
+ = 10 * version_struct->micro + (*version_text++ - ASCII_0);
+ }
+ if (*version_text != 0x00)
+ return XML_FALSE;
+ return XML_TRUE;
+}
+
+static int
+versions_equal(const XML_Expat_Version *first,
+ const XML_Expat_Version *second) {
+ return (first->major == second->major && first->minor == second->minor
+ && first->micro == second->micro);
+}
+
+START_TEST(test_misc_version) {
+ XML_Expat_Version read_version = XML_ExpatVersionInfo();
+ /* Silence compiler warning with the following assignment */
+ XML_Expat_Version parsed_version = {0, 0, 0};
+ const XML_LChar *version_text = XML_ExpatVersion();
+
+ if (version_text == NULL)
+ fail("Could not obtain version text");
+ assert(version_text != NULL);
+ if (! parse_version(version_text, &parsed_version))
+ fail("Unable to parse version text");
+ if (! versions_equal(&read_version, &parsed_version))
+ fail("Version mismatch");
+
+ if (xcstrcmp(version_text, XCS("expat_2.7.1"))) /* needs bump on releases */
+ fail("XML_*_VERSION in expat.h out of sync?\n");
+}
+END_TEST
+
+/* Test feature information */
+START_TEST(test_misc_features) {
+ const XML_Feature *features = XML_GetFeatureList();
+
+ /* Prevent problems with double-freeing parsers */
+ g_parser = NULL;
+ if (features == NULL) {
+ fail("Failed to get feature information");
+ } else {
+ /* Loop through the features checking what we can */
+ while (features->feature != XML_FEATURE_END) {
+ switch (features->feature) {
+ case XML_FEATURE_SIZEOF_XML_CHAR:
+ if (features->value != sizeof(XML_Char))
+ fail("Incorrect size of XML_Char");
+ break;
+ case XML_FEATURE_SIZEOF_XML_LCHAR:
+ if (features->value != sizeof(XML_LChar))
+ fail("Incorrect size of XML_LChar");
+ break;
+ default:
+ break;
+ }
+ features++;
+ }
+ }
+}
+END_TEST
+
+/* Regression test for GitHub Issue #17: memory leak parsing attribute
+ * values with mixed bound and unbound namespaces.
+ */
+START_TEST(test_misc_attribute_leak) {
+ const char *text = "<D xmlns:L=\"D\" l:a='' L:a=''/>";
+ XML_Memory_Handling_Suite memsuite
+ = {tracking_malloc, tracking_realloc, tracking_free};
+
+ g_parser = XML_ParserCreate_MM(XCS("UTF-8"), &memsuite, XCS("\n"));
+ expect_failure(text, XML_ERROR_UNBOUND_PREFIX, "Unbound prefixes not found");
+ XML_ParserFree(g_parser);
+ /* Prevent the teardown trying to double free */
+ g_parser = NULL;
+
+ if (! tracking_report())
+ fail("Memory leak found");
+}
+END_TEST
+
+/* Test parser created for UTF-16LE is successful */
+START_TEST(test_misc_utf16le) {
+ const char text[] =
+ /* <?xml version='1.0'?><q>Hi</q> */
+ "<\0?\0x\0m\0l\0 \0"
+ "v\0e\0r\0s\0i\0o\0n\0=\0'\0\x31\0.\0\x30\0'\0?\0>\0"
+ "<\0q\0>\0H\0i\0<\0/\0q\0>\0";
+ const XML_Char *expected = XCS("Hi");
+ CharData storage;
+
+ g_parser = XML_ParserCreate(XCS("UTF-16LE"));
+ if (g_parser == NULL)
+ fail("Parser not created");
+
+ CharData_Init(&storage);
+ XML_SetUserData(g_parser, &storage);
+ XML_SetCharacterDataHandler(g_parser, accumulate_characters);
+ if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)sizeof(text) - 1, XML_TRUE)
+ == XML_STATUS_ERROR)
+ xml_failure(g_parser);
+ CharData_CheckXMLChars(&storage, expected);
+}
+END_TEST
+
+START_TEST(test_misc_stop_during_end_handler_issue_240_1) {
+ XML_Parser parser;
+ DataIssue240 *mydata;
+ enum XML_Status result;
+ const char *const doc1 = "<doc><e1/><e><foo/></e></doc>";
+
+ parser = XML_ParserCreate(NULL);
+ XML_SetElementHandler(parser, start_element_issue_240, end_element_issue_240);
+ mydata = (DataIssue240 *)malloc(sizeof(DataIssue240));
+ assert_true(mydata != NULL);
+ mydata->parser = parser;
+ mydata->deep = 0;
+ XML_SetUserData(parser, mydata);
+
+ result = _XML_Parse_SINGLE_BYTES(parser, doc1, (int)strlen(doc1), 1);
+ XML_ParserFree(parser);
+ free(mydata);
+ if (result != XML_STATUS_ERROR)
+ fail("Stopping the parser did not work as expected");
+}
+END_TEST
+
+START_TEST(test_misc_stop_during_end_handler_issue_240_2) {
+ XML_Parser parser;
+ DataIssue240 *mydata;
+ enum XML_Status result;
+ const char *const doc2 = "<doc><elem/></doc>";
+
+ parser = XML_ParserCreate(NULL);
+ XML_SetElementHandler(parser, start_element_issue_240, end_element_issue_240);
+ mydata = (DataIssue240 *)malloc(sizeof(DataIssue240));
+ assert_true(mydata != NULL);
+ mydata->parser = parser;
+ mydata->deep = 0;
+ XML_SetUserData(parser, mydata);
+
+ result = _XML_Parse_SINGLE_BYTES(parser, doc2, (int)strlen(doc2), 1);
+ XML_ParserFree(parser);
+ free(mydata);
+ if (result != XML_STATUS_ERROR)
+ fail("Stopping the parser did not work as expected");
+}
+END_TEST
+
+START_TEST(test_misc_deny_internal_entity_closing_doctype_issue_317) {
+ const char *const inputOne
+ = "<!DOCTYPE d [\n"
+ "<!ENTITY % element_d '<!ELEMENT d (#PCDATA)*>'>\n"
+ "%element_d;\n"
+ "<!ENTITY % e ']><d/>'>\n"
+ "\n"
+ "%e;";
+ const char *const inputTwo
+ = "<!DOCTYPE d [\n"
+ "<!ENTITY % element_d '<!ELEMENT d (#PCDATA)*>'>\n"
+ "%element_d;\n"
+ "<!ENTITY % e1 ']><d/>'><!ENTITY % e2 '&#37;e1;'>\n"
+ "\n"
+ "%e2;";
+ const char *const inputThree
+ = "<!DOCTYPE d [\n"
+ "<!ENTITY % element_d '<!ELEMENT d (#PCDATA)*>'>\n"
+ "%element_d;\n"
+ "<!ENTITY % e ']><d'>\n"
+ "\n"
+ "%e;/>";
+ const char *const inputIssue317
+ = "<!DOCTYPE doc [\n"
+ "<!ENTITY % element_doc '<!ELEMENT doc (#PCDATA)*>'>\n"
+ "%element_doc;\n"
+ "<!ENTITY % foo ']>\n"
+ "<doc>Hell<oc (#PCDATA)*>'>\n"
+ "%foo;\n"
+ "]>\n"
+ "<doc>Hello, world</dVc>";
+
+ const char *const inputs[] = {inputOne, inputTwo, inputThree, inputIssue317};
+ const XML_Bool suspendOrNot[] = {XML_FALSE, XML_TRUE};
+ size_t inputIndex = 0;
+
+ for (; inputIndex < sizeof(inputs) / sizeof(inputs[0]); inputIndex++) {
+ for (size_t suspendOrNotIndex = 0;
+ suspendOrNotIndex < sizeof(suspendOrNot) / sizeof(suspendOrNot[0]);
+ suspendOrNotIndex++) {
+ const char *const input = inputs[inputIndex];
+ const XML_Bool suspend = suspendOrNot[suspendOrNotIndex];
+ if (suspend && (g_chunkSize > 0)) {
+ // We cannot use _XML_Parse_SINGLE_BYTES below due to suspension, and
+ // so chunk sizes >0 would only repeat the very same test
+ // due to use of plain XML_Parse; we are saving upon that runtime:
+ return;
+ }
+
+ set_subtest("[input=%d suspend=%s] %s", (int)inputIndex,
+ suspend ? "true" : "false", input);
+ XML_Parser parser;
+ enum XML_Status parseResult;
+ int setParamEntityResult;
+ XML_Size lineNumber;
+ XML_Size columnNumber;
+
+ parser = XML_ParserCreate(NULL);
+ setParamEntityResult
+ = XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
+ if (setParamEntityResult != 1)
+ fail("Failed to set XML_PARAM_ENTITY_PARSING_ALWAYS.");
+
+ if (suspend) {
+ XML_SetUserData(parser, parser);
+ XML_SetElementDeclHandler(parser, suspend_after_element_declaration);
+ }
+
+ if (suspend) {
+ // can't use SINGLE_BYTES here, because it'll return early on
+ // suspension, and we won't know exactly how much input we actually
+ // managed to give Expat.
+ parseResult = XML_Parse(parser, input, (int)strlen(input), 0);
+
+ while (parseResult == XML_STATUS_SUSPENDED) {
+ parseResult = XML_ResumeParser(parser);
+ }
+
+ if (parseResult != XML_STATUS_ERROR) {
+ // can't use SINGLE_BYTES here, because it'll return early on
+ // suspension, and we won't know exactly how much input we actually
+ // managed to give Expat.
+ parseResult = XML_Parse(parser, "", 0, 1);
+ }
+
+ while (parseResult == XML_STATUS_SUSPENDED) {
+ parseResult = XML_ResumeParser(parser);
+ }
+ } else {
+ parseResult
+ = _XML_Parse_SINGLE_BYTES(parser, input, (int)strlen(input), 0);
+
+ if (parseResult != XML_STATUS_ERROR) {
+ parseResult = _XML_Parse_SINGLE_BYTES(parser, "", 0, 1);
+ }
+ }
+
+ if (parseResult != XML_STATUS_ERROR) {
+ fail("Parsing was expected to fail but succeeded.");
+ }
+
+ if (XML_GetErrorCode(parser) != XML_ERROR_INVALID_TOKEN)
+ fail("Error code does not match XML_ERROR_INVALID_TOKEN");
+
+ lineNumber = XML_GetCurrentLineNumber(parser);
+ if (lineNumber != 6)
+ fail("XML_GetCurrentLineNumber does not work as expected.");
+
+ columnNumber = XML_GetCurrentColumnNumber(parser);
+ if (columnNumber != 0)
+ fail("XML_GetCurrentColumnNumber does not work as expected.");
+
+ XML_ParserFree(parser);
+ }
+ }
+}
+END_TEST
+
+START_TEST(test_misc_tag_mismatch_reset_leak) {
+#ifdef XML_NS
+ const char *const text = "<open xmlns='https://namespace1.test'></close>";
+ XML_Parser parser = XML_ParserCreateNS(NULL, XCS('\n'));
+
+ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE)
+ != XML_STATUS_ERROR)
+ fail("Call to parse was expected to fail");
+ if (XML_GetErrorCode(parser) != XML_ERROR_TAG_MISMATCH)
+ fail("Call to parse was expected to fail from a closing tag mismatch");
+
+ XML_ParserReset(parser, NULL);
+
+ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE)
+ != XML_STATUS_ERROR)
+ fail("Call to parse was expected to fail");
+ if (XML_GetErrorCode(parser) != XML_ERROR_TAG_MISMATCH)
+ fail("Call to parse was expected to fail from a closing tag mismatch");
+
+ XML_ParserFree(parser);
+#endif
+}
+END_TEST
+
+START_TEST(test_misc_create_external_entity_parser_with_null_context) {
+ // With XML_DTD undefined, the only supported case of external entities
+ // is pattern "<!ENTITY entity123 SYSTEM 'filename123'>". A NULL context
+ // was causing a segfault through a null pointer dereference in function
+ // setContext, previously.
+ XML_Parser parser = XML_ParserCreate(NULL);
+ XML_Parser ext_parser = XML_ExternalEntityParserCreate(parser, NULL, NULL);
+#ifdef XML_DTD
+ assert_true(ext_parser != NULL);
+ XML_ParserFree(ext_parser);
+#else
+ assert_true(ext_parser == NULL);
+#endif /* XML_DTD */
+ XML_ParserFree(parser);
+}
+END_TEST
+
+START_TEST(test_misc_general_entities_support) {
+ const char *const doc
+ = "<!DOCTYPE r [\n"
+ "<!ENTITY e1 'v1'>\n"
+ "<!ENTITY e2 SYSTEM 'v2'>\n"
+ "]>\n"
+ "<r a1='[&e1;]'>[&e1;][&e2;][&amp;&apos;&gt;&lt;&quot;]</r>";
+
+ CharData storage;
+ CharData_Init(&storage);
+
+ XML_Parser parser = XML_ParserCreate(NULL);
+ XML_SetUserData(parser, &storage);
+ XML_SetStartElementHandler(parser, accumulate_start_element);
+ XML_SetExternalEntityRefHandler(parser,
+ external_entity_failer__if_not_xml_ge);
+ XML_SetEntityDeclHandler(parser, accumulate_entity_decl);
+ XML_SetCharacterDataHandler(parser, accumulate_characters);
+
+ if (_XML_Parse_SINGLE_BYTES(parser, doc, (int)strlen(doc), XML_TRUE)
+ != XML_STATUS_OK) {
+ xml_failure(parser);
+ }
+
+ XML_ParserFree(parser);
+
+ CharData_CheckXMLChars(&storage,
+ /* clang-format off */
+#if XML_GE == 1
+ XCS("e1=v1\n")
+ XCS("e2=(null)\n")
+ XCS("(r(a1=[v1]))\n")
+ XCS("[v1][][&'><\"]")
+#else
+ XCS("e1=&amp;e1;\n")
+ XCS("e2=(null)\n")
+ XCS("(r(a1=[&e1;]))\n")
+ XCS("[&e1;][&e2;][&'><\"]")
+#endif
+ );
+ /* clang-format on */
+}
+END_TEST
+
+static void XMLCALL
+resumable_stopping_character_handler(void *userData, const XML_Char *s,
+ int len) {
+ UNUSED_P(s);
+ UNUSED_P(len);
+ XML_Parser parser = (XML_Parser)userData;
+ XML_StopParser(parser, XML_TRUE);
+}
+
+// NOTE: This test needs active LeakSanitizer to be of actual use
+START_TEST(test_misc_char_handler_stop_without_leak) {
+ const char *const data
+ = "<!DOCTYPE t1[<!ENTITY e1 'angle<'><!ENTITY e2 '&e1;'>]><t1>&e2;";
+ XML_Parser parser = XML_ParserCreate(NULL);
+ assert_true(parser != NULL);
+ XML_SetUserData(parser, parser);
+ XML_SetCharacterDataHandler(parser, resumable_stopping_character_handler);
+ _XML_Parse_SINGLE_BYTES(parser, data, (int)strlen(data), XML_FALSE);
+ XML_ParserFree(parser);
+}
+END_TEST
+
+START_TEST(test_misc_resumeparser_not_crashing) {
+ XML_Parser parser = XML_ParserCreate(NULL);
+ XML_GetBuffer(parser, 1);
+ XML_StopParser(parser, /*resumable=*/XML_TRUE);
+ XML_ResumeParser(parser); // could crash here, previously
+ XML_ParserFree(parser);
+}
+END_TEST
+
+START_TEST(test_misc_stopparser_rejects_unstarted_parser) {
+ const XML_Bool cases[] = {XML_TRUE, XML_FALSE};
+ for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
+ const XML_Bool resumable = cases[i];
+ XML_Parser parser = XML_ParserCreate(NULL);
+ assert_true(XML_GetErrorCode(parser) == XML_ERROR_NONE);
+ assert_true(XML_StopParser(parser, resumable) == XML_STATUS_ERROR);
+ assert_true(XML_GetErrorCode(parser) == XML_ERROR_NOT_STARTED);
+ XML_ParserFree(parser);
+ }
+}
+END_TEST
+
+/* Adaptation of accumulate_characters that takes ExtHdlrData input to work with
+ * test_renter_loop_finite_content below */
+void XMLCALL
+accumulate_characters_ext_handler(void *userData, const XML_Char *s, int len) {
+ ExtHdlrData *const test_data = (ExtHdlrData *)userData;
+ CharData_AppendXMLChars(test_data->storage, s, len);
+}
+
+/* Test that internalEntityProcessor does not re-enter forever;
+ * based on files tests/xmlconf/xmltest/valid/ext-sa/012.{xml,ent} */
+START_TEST(test_renter_loop_finite_content) {
+ CharData storage;
+ CharData_Init(&storage);
+ const char *const text = "<!DOCTYPE doc [\n"
+ "<!ENTITY e1 '&e2;'>\n"
+ "<!ENTITY e2 '&e3;'>\n"
+ "<!ENTITY e3 SYSTEM '012.ent'>\n"
+ "<!ENTITY e4 '&e5;'>\n"
+ "<!ENTITY e5 '(e5)'>\n"
+ "<!ELEMENT doc (#PCDATA)>\n"
+ "]>\n"
+ "<doc>&e1;</doc>\n";
+ ExtHdlrData test_data = {"&e4;\n", external_entity_null_loader, &storage};
+ const XML_Char *const expected = XCS("(e5)\n");
+
+ XML_Parser parser = XML_ParserCreate(NULL);
+ assert_true(parser != NULL);
+ XML_SetUserData(parser, &test_data);
+ XML_SetExternalEntityRefHandler(parser, external_entity_oneshot_loader);
+ XML_SetCharacterDataHandler(parser, accumulate_characters_ext_handler);
+ if (_XML_Parse_SINGLE_BYTES(parser, text, (int)strlen(text), XML_TRUE)
+ == XML_STATUS_ERROR)
+ xml_failure(parser);
+
+ CharData_CheckXMLChars(&storage, expected);
+ XML_ParserFree(parser);
+}
+END_TEST
+
+// Inspired by function XML_OriginalString of Perl's XML::Parser
+static char *
+dup_original_string(XML_Parser parser) {
+ const int byte_count = XML_GetCurrentByteCount(parser);
+
+ assert_true(byte_count >= 0);
+
+ int offset = -1;
+ int size = -1;
+
+ const char *const context = XML_GetInputContext(parser, &offset, &size);
+
+#if XML_CONTEXT_BYTES > 0
+ assert_true(context != NULL);
+ assert_true(offset >= 0);
+ assert_true(size >= 0);
+ return portable_strndup(context + offset, byte_count);
+#else
+ assert_true(context == NULL);
+ return NULL;
+#endif
+}
+
+static void
+on_characters_issue_980(void *userData, const XML_Char *s, int len) {
+ (void)s;
+ (void)len;
+ XML_Parser parser = (XML_Parser)userData;
+
+ char *const original_string = dup_original_string(parser);
+
+#if XML_CONTEXT_BYTES > 0
+ assert_true(original_string != NULL);
+ assert_true(strcmp(original_string, "&draft.day;") == 0);
+ free(original_string);
+#else
+ assert_true(original_string == NULL);
+#endif
+}
+
+START_TEST(test_misc_expected_event_ptr_issue_980) {
+ // NOTE: This is a tiny subset of sample "REC-xml-19980210.xml"
+ // from Perl's XML::Parser
+ const char *const doc = "<!DOCTYPE day [\n"
+ " <!ENTITY draft.day '10'>\n"
+ "]>\n"
+ "<day>&draft.day;</day>\n";
+
+ XML_Parser parser = XML_ParserCreate(NULL);
+ XML_SetUserData(parser, parser);
+ XML_SetCharacterDataHandler(parser, on_characters_issue_980);
+
+ assert_true(_XML_Parse_SINGLE_BYTES(parser, doc, (int)strlen(doc),
+ /*isFinal=*/XML_TRUE)
+ == XML_STATUS_OK);
+
+ XML_ParserFree(parser);
+}
+END_TEST
+
+void
+make_miscellaneous_test_case(Suite *s) {
+ TCase *tc_misc = tcase_create("miscellaneous tests");
+
+ suite_add_tcase(s, tc_misc);
+ tcase_add_checked_fixture(tc_misc, NULL, basic_teardown);
+
+ tcase_add_test(tc_misc, test_misc_alloc_create_parser);
+ tcase_add_test(tc_misc, test_misc_alloc_create_parser_with_encoding);
+ tcase_add_test(tc_misc, test_misc_null_parser);
+ tcase_add_test(tc_misc, test_misc_error_string);
+ tcase_add_test(tc_misc, test_misc_version);
+ tcase_add_test(tc_misc, test_misc_features);
+ tcase_add_test(tc_misc, test_misc_attribute_leak);
+ tcase_add_test(tc_misc, test_misc_utf16le);
+ tcase_add_test(tc_misc, test_misc_stop_during_end_handler_issue_240_1);
+ tcase_add_test(tc_misc, test_misc_stop_during_end_handler_issue_240_2);
+ tcase_add_test__ifdef_xml_dtd(
+ tc_misc, test_misc_deny_internal_entity_closing_doctype_issue_317);
+ tcase_add_test(tc_misc, test_misc_tag_mismatch_reset_leak);
+ tcase_add_test(tc_misc,
+ test_misc_create_external_entity_parser_with_null_context);
+ tcase_add_test(tc_misc, test_misc_general_entities_support);
+ tcase_add_test(tc_misc, test_misc_char_handler_stop_without_leak);
+ tcase_add_test(tc_misc, test_misc_resumeparser_not_crashing);
+ tcase_add_test(tc_misc, test_misc_stopparser_rejects_unstarted_parser);
+ tcase_add_test__if_xml_ge(tc_misc, test_renter_loop_finite_content);
+ tcase_add_test(tc_misc, test_misc_expected_event_ptr_issue_980);
+}