xml/xmlexpatparser/src/expat-1.95.5/tests/runtests.c
changeset 0 e35f40988205
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xml/xmlexpatparser/src/expat-1.95.5/tests/runtests.c	Thu Dec 17 09:29:21 2009 +0200
@@ -0,0 +1,885 @@
+/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
+   See the file COPYING for copying permission.
+*/
+#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(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), 1) == XML_STATUS_OK)
+        fail(errorMessage);
+    if (XML_GetErrorCode(parser) != errorCode)
+        _xml_failure(parser, file, lineno);
+}
+
+#define expect_failure(text, errorCode, errorMessage) \
+        _expect_failure((text), (errorCode), (errorMessage), \
+                        __FILE__, __LINE__)
+
+
+/*
+ * 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, 1) == 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), 1) == 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, 1) == 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, 1) == 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)
+{
+    CharData storage;
+
+    CharData_Init(&storage);
+    XML_SetUserData(parser, &storage);
+    XML_SetCharacterDataHandler(parser, accumulate_characters);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    CharData_CheckXMLChars(&storage, expected);
+}
+
+static void
+run_attribute_check(XML_Char *text, XML_Char *expected)
+{
+    CharData storage;
+
+    CharData_Init(&storage);
+    XML_SetUserData(parser, &storage);
+    XML_SetStartElementHandler(parser, accumulate_attribute);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    CharData_CheckXMLChars(&storage, expected);
+}
+
+/* Regression test for SF bug #491986. */
+START_TEST(test_danish_latin1)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<e>Jørgen æøåÆØÅ</e>";
+    run_character_check(text,
+             "J\xC3\xB8rgen \xC3\xA6\xC3\xB8\xC3\xA5\xC3\x86\xC3\x98\xC3\x85");
+}
+END_TEST
+
+
+/* Regression test for SF bug #514281. */
+START_TEST(test_french_charref_hexidecimal)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<doc>&#xE9;&#xE8;&#xE0;&#xE7;&#xEA;&#xC8;</doc>";
+    run_character_check(text,
+                        "\xC3\xA9\xC3\xA8\xC3\xA0\xC3\xA7\xC3\xAA\xC3\x88");
+}
+END_TEST
+
+START_TEST(test_french_charref_decimal)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<doc>&#233;&#232;&#224;&#231;&#234;&#200;</doc>";
+    run_character_check(text,
+                        "\xC3\xA9\xC3\xA8\xC3\xA0\xC3\xA7\xC3\xAA\xC3\x88");
+}
+END_TEST
+
+START_TEST(test_french_latin1)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<doc>\xE9\xE8\xE0\xE7\xEa\xC8</doc>";
+    run_character_check(text,
+                        "\xC3\xA9\xC3\xA8\xC3\xA0\xC3\xA7\xC3\xAA\xC3\x88");
+}
+END_TEST
+
+START_TEST(test_french_utf8)
+{
+    char *text =
+        "<?xml version='1.0' encoding='utf-8'?>\n"
+        "<doc>\xC3\xA9</doc>";
+    run_character_check(text, "\xC3\xA9");
+}
+END_TEST
+
+/* Regression test for SF bug #600479.
+   XXX There should be a test that exercises all legal XML Unicode
+   characters as PCDATA and attribute value content, and XML Name
+   characters as part of element and attribute names.
+*/
+START_TEST(test_utf8_false_rejection)
+{
+    char *text = "<doc>\xEF\xBA\xBF</doc>";
+    run_character_check(text, "\xEF\xBA\xBF");
+}
+END_TEST
+
+/* Regression test for SF bug #477667.
+   This test assures that any 8-bit character followed by a 7-bit
+   character will not be mistakenly interpreted as a valid UTF-8
+   sequence.
+*/
+START_TEST(test_illegal_utf8)
+{
+    char text[100];
+    int i;
+
+    for (i = 128; i <= 255; ++i) {
+        sprintf(text, "<e>%ccd</e>", i);
+        if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_OK) {
+            sprintf(text,
+                    "expected token error for '%c' (ordinal %d) in UTF-8 text",
+                    i, i);
+            fail(text);
+        }
+        else if (XML_GetErrorCode(parser) != XML_ERROR_INVALID_TOKEN)
+            xml_failure(parser);
+        /* Reset the parser since we use the same parser repeatedly. */
+        XML_ParserReset(parser, NULL);
+    }
+}
+END_TEST
+
+START_TEST(test_utf16)
+{
+    /* <?xml version="1.0" encoding="UTF-16"?>
+       <doc a='123'>some text</doc>
+    */
+    char text[] =
+        "\000<\000?\000x\000m\000\154\000 \000v\000e\000r\000s\000i\000o"
+        "\000n\000=\000'\0001\000.\000\060\000'\000 \000e\000n\000c\000o"
+        "\000d\000i\000n\000g\000=\000'\000U\000T\000F\000-\0001\000\066"
+        "\000'\000?\000>\000\n"
+        "\000<\000d\000o\000c\000 \000a\000=\000'\0001\0002\0003\000'"
+        "\000>\000s\000o\000m\000e\000 \000t\000e\000x\000t\000<\000/"
+        "\000d\000o\000c\000>";
+    if (XML_Parse(parser, text, sizeof(text) - 1, 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+START_TEST(test_utf16_le_epilog_newline)
+{
+    int first_chunk_bytes = 17;
+    char text[] = 
+        "\xFF\xFE"                      /* BOM */
+        "<\000e\000/\000>\000"          /* document element */
+        "\r\000\n\000\r\000\n\000";     /* epilog */
+
+    if (first_chunk_bytes >= sizeof(text) - 1)
+        fail("bad value of first_chunk_bytes");
+    if (XML_Parse(parser, text, first_chunk_bytes, 0) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    else {
+        enum XML_Status rc;
+        rc = XML_Parse(parser, text + first_chunk_bytes,
+                       sizeof(text) - first_chunk_bytes - 1, 1);
+        if (rc == XML_STATUS_ERROR)
+            xml_failure(parser);
+    }
+}
+END_TEST
+
+/* Regression test for SF bug #481609. */
+START_TEST(test_latin1_umlauts)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<e a='ä ö ü &#228; &#246; &#252; &#x00E4; &#x0F6; &#xFC;'\n"
+        "  >ä ö ü &#228; &#246; &#252; &#x00E4; &#x0F6; &#xFC;</e>";
+    char *utf8 =
+        "\xC3\xA4 \xC3\xB6 \xC3\xBC "
+        "\xC3\xA4 \xC3\xB6 \xC3\xBC "
+        "\xC3\xA4 \xC3\xB6 \xC3\xBC";
+    run_character_check(text, utf8);
+    XML_ParserReset(parser, NULL);
+    run_attribute_check(text, utf8);
+}
+END_TEST
+
+/* Regression test for SF bug #422239 (maybe).
+   It's not clear that this reproduces enough of the context
+   of the reported bug.
+*/
+START_TEST(test_line_count)
+{
+    char *text =
+        "<e>\n"
+        "  <e/>\n"
+        "</e>";
+    int lineno;
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    lineno = XML_GetCurrentLineNumber(parser);
+    if (lineno != 3) {
+        char buffer[100];
+        sprintf(buffer, "expected 3 lines, saw %d", lineno);
+        fail(buffer);
+    }
+}
+END_TEST
+
+/* Regression test for SF bug #478332. */
+START_TEST(test_really_long_lines)
+{
+    /* This parses an input line longer than INIT_DATA_BUF_SIZE
+       characters long (defined to be 1024 in xmlparse.c).  We take a
+       really cheesy approach to building the input buffer, because
+       this avoids writing bugs in buffer-filling code.
+    */
+    char *text =
+        "<e>"
+        /* 64 chars */
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        /* until we have at least 1024 characters on the line: */
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+"
+        "</e>";
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+
+/*
+ * Element event tests.
+ */
+
+static void
+end_element_event_handler(void *userData, const XML_Char *name)
+{
+    CharData *storage = (CharData *) userData;
+    CharData_AppendString(storage, "/");
+    CharData_AppendXMLChars(storage, name, -1);
+}
+
+START_TEST(test_end_element_events)
+{
+    char *text = "<a><b><c/></b><d><f/></d></a>";
+    char *expected = "/c/b/f/d/a";
+    CharData storage;
+
+    CharData_Init(&storage);
+    XML_SetUserData(parser, &storage);
+    XML_SetEndElementHandler(parser, end_element_event_handler);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    CharData_CheckString(&storage, expected);
+}
+END_TEST
+
+
+/*
+ * Attribute tests.
+ */
+
+/* Helpers used by the following test; this checks any "attr" and "refs"
+   attributes to make sure whitespace has been normalized.
+
+   Return true if whitespace has been normalized in a string, using
+   the rules for attribute value normalization.  The 'is_cdata' flag
+   is needed since CDATA attributes don't need to have multiple
+   whitespace characters collapsed to a single space, while other
+   attribute data types do.  (Section 3.3.3 of the recommendation.)
+*/
+static int
+is_whitespace_normalized(const XML_Char *s, int is_cdata)
+{
+    int blanks = 0;
+    int at_start = 1;
+    while (*s) {
+        if (*s == ' ')
+            ++blanks;
+        else if (*s == '\t' || *s == '\n' || *s == '\r')
+            return 0;
+        else {
+            if (at_start) {
+                at_start = 0;
+                if (blanks && !is_cdata)
+                    /* illegal leading blanks */
+                    return 0;
+            }
+            else if (blanks > 1 && !is_cdata)
+                return 0;
+            blanks = 0;
+        }
+        ++s;
+    }
+    if (blanks && !is_cdata)
+        return 0;
+    return 1;
+}
+
+/* Check the attribute whitespace checker: */
+static void
+testhelper_is_whitespace_normalized(void)
+{
+    assert(is_whitespace_normalized("abc", 0));
+    assert(is_whitespace_normalized("abc", 1));
+    assert(is_whitespace_normalized("abc def ghi", 0));
+    assert(is_whitespace_normalized("abc def ghi", 1));
+    assert(!is_whitespace_normalized(" abc def ghi", 0));
+    assert(is_whitespace_normalized(" abc def ghi", 1));
+    assert(!is_whitespace_normalized("abc  def ghi", 0));
+    assert(is_whitespace_normalized("abc  def ghi", 1));
+    assert(!is_whitespace_normalized("abc def ghi ", 0));
+    assert(is_whitespace_normalized("abc def ghi ", 1));
+    assert(!is_whitespace_normalized(" ", 0));
+    assert(is_whitespace_normalized(" ", 1));
+    assert(!is_whitespace_normalized("\t", 0));
+    assert(!is_whitespace_normalized("\t", 1));
+    assert(!is_whitespace_normalized("\n", 0));
+    assert(!is_whitespace_normalized("\n", 1));
+    assert(!is_whitespace_normalized("\r", 0));
+    assert(!is_whitespace_normalized("\r", 1));
+    assert(!is_whitespace_normalized("abc\t def", 1));
+}
+
+static void
+check_attr_contains_normalized_whitespace(void *userData,
+                                          const XML_Char *name,
+                                          const XML_Char **atts)
+{
+    int i;
+    for (i = 0; atts[i] != NULL; i += 2) {
+        const XML_Char *attrname = atts[i];
+        const XML_Char *value = atts[i + 1];
+        if (strcmp("attr", attrname) == 0
+            || strcmp("ents", attrname) == 0
+            || strcmp("refs", attrname) == 0) {
+            if (!is_whitespace_normalized(value, 0)) {
+                char buffer[256];
+                sprintf(buffer, "attribute value not normalized: %s='%s'",
+                        attrname, value);
+                fail(buffer);
+            }
+        }
+    }
+}
+
+START_TEST(test_attr_whitespace_normalization)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ATTLIST doc\n"
+        "            attr NMTOKENS #REQUIRED\n"
+        "            ents ENTITIES #REQUIRED\n"
+        "            refs IDREFS   #REQUIRED>\n"
+        "]>\n"
+        "<doc attr='    a  b c\t\td\te\t' refs=' id-1   \t  id-2\t\t'  \n"
+        "     ents=' ent-1   \t\r\n"
+        "            ent-2  ' >\n"
+        "  <e id='id-1'/>\n"
+        "  <e id='id-2'/>\n"
+        "</doc>";
+
+    XML_SetStartElementHandler(parser,
+                               check_attr_contains_normalized_whitespace);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+
+/*
+ * XML declaration tests.
+ */
+
+START_TEST(test_xmldecl_misplaced)
+{
+    expect_failure("\n"
+                   "<?xml version='1.0'?>\n"
+                   "<a/>",
+                   XML_ERROR_MISPLACED_XML_PI,
+                   "failed to report misplaced XML declaration");
+}
+END_TEST
+
+/* Regression test for SF bug #584832. */
+static int
+UnknownEncodingHandler(void *data,const XML_Char *encoding,XML_Encoding *info)
+{
+    if (strcmp(encoding,"unsupported-encoding") == 0) {
+        int i;
+        for (i = 0; i < 256; ++i)
+            info->map[i] = i;
+        info->data=NULL;
+        info->convert=NULL;
+        info->release=NULL;
+        return 1;
+    }
+    return 0;
+}
+
+START_TEST(test_unknown_encoding_internal_entity)
+{
+    char *text =
+        "<?xml version='1.0' encoding='unsupported-encoding'?>\n"
+        "<!DOCTYPE test [<!ENTITY foo 'bar'>]>\n"
+        "<test a='&foo;'/>";
+
+    XML_SetUnknownEncodingHandler(parser, UnknownEncodingHandler, NULL);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Test that no error is reported for unknown entities if we don't
+   read an external subset.  This was fixed in Expat 1.95.5.
+*/
+START_TEST(test_wfc_undeclared_entity_unread_external_subset) {
+    char *text =
+        "<!DOCTYPE doc SYSTEM 'foo'>\n"
+        "<doc>&entity;</doc>";
+
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Test that an error is reported for unknown entities if we don't
+   have an external subset.
+*/
+START_TEST(test_wfc_undeclared_entity_no_external_subset) {
+    expect_failure("<doc>&entity;</doc>",
+                   XML_ERROR_UNDEFINED_ENTITY,
+                   "Parser did not report undefined entity w/out a DTD.");
+}
+END_TEST
+
+/* Test that an error is reported for unknown entities if we don't
+   read an external subset, but have been declared standalone.
+*/
+START_TEST(test_wfc_undeclared_entity_standalone) {
+    char *text =
+        "<?xml version='1.0' encoding='us-ascii' standalone='yes'?>\n"
+        "<!DOCTYPE doc SYSTEM 'foo'>\n"
+        "<doc>&entity;</doc>";
+
+    expect_failure(text,
+                   XML_ERROR_UNDEFINED_ENTITY,
+                   "Parser did not report undefined entity (standalone).");
+}
+END_TEST
+
+static int
+external_entity_loader(XML_Parser parser,
+                       const XML_Char *context,
+                       const XML_Char *base,
+                       const XML_Char *systemId,
+                       const XML_Char *publicId)
+{
+    char *text = (char *)XML_GetUserData(parser);
+    XML_Parser extparser;
+
+    extparser = XML_ExternalEntityParserCreate(parser, context, NULL);
+    if (extparser == NULL)
+        fail("Could not create external entity parser.");
+    if (XML_Parse(extparser, text, strlen(text), 1) == XML_STATUS_ERROR) {
+        xml_failure(parser);
+        return 0;
+    }
+    return 1;
+}
+
+/* Test that an error is reported for unknown entities if we have read
+   an external subset.
+*/
+START_TEST(test_wfc_undeclared_entity_with_external_subset) {
+    char *text =
+        "<?xml version='1.0' encoding='us-ascii'?>\n"
+        "<!DOCTYPE doc SYSTEM 'foo'>\n"
+        "<doc>&entity;</doc>";
+    char *foo_text =
+        "<!ELEMENT doc (#PCDATA)*>";
+
+    XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
+    XML_SetUserData(parser, foo_text);
+    XML_SetExternalEntityRefHandler(parser, external_entity_loader);
+    expect_failure(text,
+                   XML_ERROR_UNDEFINED_ENTITY,
+                   "Parser did not report undefined entity with DTD.");
+}
+END_TEST
+
+START_TEST(test_wfc_no_recursive_entity_refs)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ENTITY entity '&#38;entity;'>\n"
+        "]>\n"
+        "<doc>&entity;</doc>";
+
+    expect_failure(text,
+                   XML_ERROR_RECURSIVE_ENTITY_REF,
+                   "Parser did not report recursive entity reference.");
+}
+END_TEST
+
+
+/*
+ * Namespaces tests.
+ */
+
+static void
+namespace_setup(void)
+{
+    parser = XML_ParserCreateNS(NULL, ' ');
+    if (parser == NULL)
+        fail("Parser not created.");
+}
+
+static void
+namespace_teardown(void)
+{
+    basic_teardown();
+}
+
+/* Check that an element name and attribute name match the expected values.
+   The expected values are passed as an array reference of string pointers
+   provided as the userData argument; the first is the expected
+   element name, and the second is the expected attribute name.
+*/
+static void
+triplet_start_checker(void *userData, const XML_Char *name,
+                      const XML_Char **atts)
+{
+    char **elemstr = (char **)userData;
+    char buffer[1024];
+    if (strcmp(elemstr[0], name) != 0) {
+        sprintf(buffer, "unexpected start string: '%s'", name);
+        fail(buffer);
+    }
+    if (strcmp(elemstr[1], atts[0]) != 0) {
+        sprintf(buffer, "unexpected attribute string: '%s'", atts[0]);
+        fail(buffer);
+    }
+}
+
+/* Check that the element name passed to the end-element handler matches
+   the expected value.  The expected value is passed as the first element
+   in an array of strings passed as the userData argument.
+*/
+static void
+triplet_end_checker(void *userData, const XML_Char *name)
+{
+    char **elemstr = (char **)userData;
+    if (strcmp(elemstr[0], name) != 0) {
+        char buffer[1024];
+        sprintf(buffer, "unexpected end string: '%s'", name);
+        fail(buffer);
+    }
+}
+
+START_TEST(test_return_ns_triplet)
+{
+    char *text =
+        "<foo:e xmlns:foo='http://expat.sf.net/' bar:a='12'\n"
+        "       xmlns:bar='http://expat.sf.net/'></foo:e>";
+    char *elemstr[] = {
+        "http://expat.sf.net/ e foo",
+        "http://expat.sf.net/ a bar"
+    };
+    XML_SetReturnNSTriplet(parser, 1);
+    XML_SetUserData(parser, elemstr);
+    XML_SetElementHandler(parser, triplet_start_checker, triplet_end_checker);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+static void
+overwrite_start_checker(void *userData, const XML_Char *name,
+                        const XML_Char **atts)
+{
+    CharData *storage = (CharData *) userData;
+    CharData_AppendString(storage, "start ");
+    CharData_AppendXMLChars(storage, name, -1);
+    while (*atts != NULL) {
+        CharData_AppendString(storage, "\nattribute ");
+        CharData_AppendXMLChars(storage, *atts, -1);
+        atts += 2;
+    }
+    CharData_AppendString(storage, "\n");
+}
+
+static void
+overwrite_end_checker(void *userData, const XML_Char *name)
+{
+    CharData *storage = (CharData *) userData;
+    CharData_AppendString(storage, "end ");
+    CharData_AppendXMLChars(storage, name, -1);
+    CharData_AppendString(storage, "\n");
+}
+
+static void
+run_ns_tagname_overwrite_test(char *text, char *result)
+{
+    CharData storage;
+    CharData_Init(&storage);
+    XML_SetUserData(parser, &storage);
+    XML_SetElementHandler(parser,
+                          overwrite_start_checker, overwrite_end_checker);
+    if (XML_Parse(parser, text, strlen(text), 1) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    CharData_CheckString(&storage, result);
+}
+
+/* Regression test for SF bug #566334. */
+START_TEST(test_ns_tagname_overwrite)
+{
+    char *text =
+        "<n:e xmlns:n='http://xml.libexpat.org/'>\n"
+        "  <n:f n:attr='foo'/>\n"
+        "  <n:g n:attr2='bar'/>\n"
+        "</n:e>";
+    char *result =
+        "start http://xml.libexpat.org/ e\n"
+        "start http://xml.libexpat.org/ f\n"
+        "attribute http://xml.libexpat.org/ attr\n"
+        "end http://xml.libexpat.org/ f\n"
+        "start http://xml.libexpat.org/ g\n"
+        "attribute http://xml.libexpat.org/ attr2\n"
+        "end http://xml.libexpat.org/ g\n"
+        "end http://xml.libexpat.org/ e\n";
+    run_ns_tagname_overwrite_test(text, result);
+}
+END_TEST
+
+/* Regression test for SF bug #566334. */
+START_TEST(test_ns_tagname_overwrite_triplet)
+{
+    char *text =
+        "<n:e xmlns:n='http://xml.libexpat.org/'>\n"
+        "  <n:f n:attr='foo'/>\n"
+        "  <n:g n:attr2='bar'/>\n"
+        "</n:e>";
+    char *result =
+        "start http://xml.libexpat.org/ e n\n"
+        "start http://xml.libexpat.org/ f n\n"
+        "attribute http://xml.libexpat.org/ attr n\n"
+        "end http://xml.libexpat.org/ f n\n"
+        "start http://xml.libexpat.org/ g n\n"
+        "attribute http://xml.libexpat.org/ attr2 n\n"
+        "end http://xml.libexpat.org/ g n\n"
+        "end http://xml.libexpat.org/ e n\n";
+    XML_SetReturnNSTriplet(parser, 1);
+    run_ns_tagname_overwrite_test(text, result);
+}
+END_TEST
+
+static Suite *
+make_basic_suite(void)
+{
+    Suite *s = suite_create("basic");
+    TCase *tc_basic = tcase_create("basic tests");
+    TCase *tc_namespace = tcase_create("XML namespaces");
+
+    suite_add_tcase(s, tc_basic);
+    tcase_add_checked_fixture(tc_basic, basic_setup, basic_teardown);
+    tcase_add_test(tc_basic, test_nul_byte);
+    tcase_add_test(tc_basic, test_u0000_char);
+    tcase_add_test(tc_basic, test_bom_utf8);
+    tcase_add_test(tc_basic, test_bom_utf16_be);
+    tcase_add_test(tc_basic, test_bom_utf16_le);
+    tcase_add_test(tc_basic, test_illegal_utf8);
+    tcase_add_test(tc_basic, test_utf16);
+    tcase_add_test(tc_basic, test_utf16_le_epilog_newline);
+    tcase_add_test(tc_basic, test_latin1_umlauts);
+    /* Regression test for SF bug #491986. */
+    tcase_add_test(tc_basic, test_danish_latin1);
+    /* Regression test for SF bug #514281. */
+    tcase_add_test(tc_basic, test_french_charref_hexidecimal);
+    tcase_add_test(tc_basic, test_french_charref_decimal);
+    tcase_add_test(tc_basic, test_french_latin1);
+    tcase_add_test(tc_basic, test_french_utf8);
+    tcase_add_test(tc_basic, test_utf8_false_rejection);
+    tcase_add_test(tc_basic, test_line_count);
+    tcase_add_test(tc_basic, test_really_long_lines);
+    tcase_add_test(tc_basic, test_end_element_events);
+    tcase_add_test(tc_basic, test_attr_whitespace_normalization);
+    tcase_add_test(tc_basic, test_xmldecl_misplaced);
+    tcase_add_test(tc_basic, test_unknown_encoding_internal_entity);
+    tcase_add_test(tc_basic,
+                   test_wfc_undeclared_entity_unread_external_subset);
+    tcase_add_test(tc_basic, test_wfc_undeclared_entity_no_external_subset);
+    tcase_add_test(tc_basic, test_wfc_undeclared_entity_standalone);
+    tcase_add_test(tc_basic, test_wfc_undeclared_entity_with_external_subset);
+    tcase_add_test(tc_basic, test_wfc_no_recursive_entity_refs);
+
+    suite_add_tcase(s, tc_namespace);
+    tcase_add_checked_fixture(tc_namespace,
+                              namespace_setup, namespace_teardown);
+    tcase_add_test(tc_namespace, test_return_ns_triplet);
+    tcase_add_test(tc_namespace, test_ns_tagname_overwrite);
+    tcase_add_test(tc_namespace, test_ns_tagname_overwrite_triplet);
+
+    return s;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+    int i, nf;
+    int forking = 0, forking_set = 0;
+    int verbosity = CK_NORMAL;
+    Suite *s = make_basic_suite();
+    SRunner *sr = srunner_create(s);
+
+    /* run the tests for internal helper functions */
+    testhelper_is_whitespace_normalized();
+
+    for (i = 1; i < argc; ++i) {
+        char *opt = argv[i];
+        if (strcmp(opt, "-v") == 0 || strcmp(opt, "--verbose") == 0)
+            verbosity = CK_VERBOSE;
+        else if (strcmp(opt, "-q") == 0 || strcmp(opt, "--quiet") == 0)
+            verbosity = CK_SILENT;
+        else if (strcmp(opt, "-f") == 0 || strcmp(opt, "--fork") == 0) {
+            forking = 1;
+            forking_set = 1;
+        }
+        else if (strcmp(opt, "-n") == 0 || strcmp(opt, "--no-fork") == 0) {
+            forking = 0;
+            forking_set = 1;
+        }
+        else {
+            fprintf(stderr, "runtests: unknown option '%s'\n", opt);
+            return 2;
+        }
+    }
+    if (forking_set)
+        srunner_set_fork_status(sr, forking ? CK_FORK : CK_NOFORK);
+    srunner_run_all(sr, verbosity);
+    nf = srunner_ntests_failed(sr);
+    srunner_free(sr);
+    suite_free(s);
+
+    return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}