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[wxWidgets.git] / src / expat / tests / runtests.c

#include <assert.h>
#include <check.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "expat.h"
#include "chardata.h"


static XML_Parser parser;


static void
basic_setup(void)
{
    parser = XML_ParserCreate(NULL);
    if (parser == NULL)
        fail("Parser not created.");
}

static void
basic_teardown(void)
{
    if (parser != NULL)
        XML_ParserFree(parser);
}

/* Generate a failure using the parser state to create an error message;
   this should be used when the parser reports an error we weren't
   expecting.
*/
static void
_xml_failure(XML_Parser parser, const char *file, int line)
{
    char buffer[1024];
    sprintf(buffer,
            "\n    %s (line %d, offset %d)\n    reported from %s, line %d",
            XML_ErrorString(XML_GetErrorCode(parser)),
            XML_GetCurrentLineNumber(parser),
            XML_GetCurrentColumnNumber(parser),
            file, line);
    _fail_unless(0, file, line, buffer);
}

#define xml_failure(parser) _xml_failure((parser), __FILE__, __LINE__)

static void
_expect_failure(char *text, enum XML_Error errorCode, char *errorMessage,
                char *file, int lineno)
{
    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_OK)
        /* Hackish use of _fail_unless() macro, but let's us report
           the right filename and line number. */
        _fail_unless(0, file, lineno, errorMessage);
    if (XML_GetErrorCode(parser) != errorCode)
        _xml_failure(parser, file, lineno);
}

#define expect_failure(text, errorCode, errorMessage) \
        _expect_failure((text), (errorCode), (errorMessage), \
                        __FILE__, __LINE__)

/* Dummy handlers for when we need to set a handler to tickle a bug,
   but it doesn't need to do anything.
*/

static void
dummy_start_doctype_handler(void           *userData,
                            const XML_Char *doctypeName,
                            const XML_Char *sysid,
                            const XML_Char *pubid,
                            int            has_internal_subset)
{}

static void
dummy_end_doctype_handler(void *userData)
{}

static void
dummy_entity_decl_handler(void           *userData,
                          const XML_Char *entityName,
                          int            is_parameter_entity,
                          const XML_Char *value,
                          int            value_length,
                          const XML_Char *base,
                          const XML_Char *systemId,
                          const XML_Char *publicId,
                          const XML_Char *notationName)
{}

static void
dummy_notation_decl_handler(void *userData,
                            const XML_Char *notationName,
                            const XML_Char *base,
                            const XML_Char *systemId,
                            const XML_Char *publicId)
{}

static void
dummy_element_decl_handler(void *userData,
                           const XML_Char *name,
                           XML_Content *model)
{}

static void
dummy_attlist_decl_handler(void           *userData,
                           const XML_Char *elname,
                           const XML_Char *attname,
                           const XML_Char *att_type,
                           const XML_Char *dflt,
                           int            isrequired)
{}

static void
dummy_comment_handler(void *userData, const XML_Char *data)
{}

static void
dummy_pi_handler(void *userData, const XML_Char *target, const XML_Char *data)
{}

static void
dummy_start_element(void *userData,
                    const XML_Char *name, const XML_Char **atts)
{}


/*
 * Character & encoding tests.
 */

START_TEST(test_nul_byte)
{
    char text[] = "<doc>\0</doc>";

    /* test that a NUL byte (in US-ASCII data) is an error */
    if (XML_Parse(parser, text, sizeof(text) - 1, XML_TRUE) == XML_STATUS_OK)
        fail("Parser did not report error on NUL-byte.");
    if (XML_GetErrorCode(parser) != XML_ERROR_INVALID_TOKEN)
        xml_failure(parser);
}
END_TEST


START_TEST(test_u0000_char)
{
    /* test that a NUL byte (in US-ASCII data) is an error */
    expect_failure("<doc>&#0;</doc>",
                   XML_ERROR_BAD_CHAR_REF,
                   "Parser did not report error on NUL-byte.");
}
END_TEST

START_TEST(test_bom_utf8)
{
    /* This test is really just making sure we don't core on a UTF-8 BOM. */
    char *text = "\357\273\277<e/>";

    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
        xml_failure(parser);
}
END_TEST

START_TEST(test_bom_utf16_be)
{
    char text[] = "\376\377\0<\0e\0/\0>";

    if (XML_Parse(parser, text, sizeof(text)-1, XML_TRUE) == XML_STATUS_ERROR)
        xml_failure(parser);
}
END_TEST

START_TEST(test_bom_utf16_le)
{
    char text[] = "\377\376<\0e\0/\0>\0";

    if (XML_Parse(parser, text, sizeof(text)-1, XML_TRUE) == XML_STATUS_ERROR)
        xml_failure(parser);
}
END_TEST

static void
accumulate_characters(void *userData, const XML_Char *s, int len)
{
    CharData_AppendXMLChars((CharData *)userData, s, len);
}

static void
accumulate_attribute(void *userData, const XML_Char *name,
                     const XML_Char **atts)
{
    CharData *storage = (CharData *)userData;
    if (storage->count < 0 && atts != NULL && atts[0] != NULL) {
        /* "accumulate" the value of the first attribute we see */
        CharData_AppendXMLChars(storage, atts[1], -1);
    }
}


static void
_run_character_check(XML_Char *text, XML_Char *expected,
                     const char *file, int line)
{
    CharData storage;

    CharData_Init(&storage);
    XML_SetUserData(parser, &storage);
    XML_SetCharacterDataHandler(parser, accumulate_characters);
    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
        _xml_failure(parser, file, line);
    CharData_CheckXMLChars(&storage, expected);
}

#define run_character_check(text, expected) \
        _run_character_check(text, expected, __FILE__, __LINE__)

static void
_run_attribute_check(XML_Char *text, XML_Char *expected,
                     const char *file, int line)
{
    CharData storage;

    CharData_Init(&storage);
    XML_SetUserData(parser, &storage);
    XML_SetStartElementHandler(parser, accumulate_attribute);
    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
        _xml_failure(parser, file, line);
    CharData_CheckXMLChars(&storage, expected);
}

#define run_attribute_check(text, expected) \
        _run_attribute_check(text, expected, __FILE__, __LINE__)

/* Regression test for SF bug #491986. */
START_TEST(test_danish_latin1)
{
    char *text =
        "<?xml version='1.0' encoding='iso-8859-1'?>\n"