xmlreaderimpl/support/expat-2.0.1/tests/runtests.c
changeset 296 ea3dbc023c80
parent 172 b831df7d33f9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xmlreaderimpl/support/expat-2.0.1/tests/runtests.c	Tue May 12 12:20:53 2015 +0100
@@ -0,0 +1,1514 @@
+/* Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd
+   See the file COPYING for copying permission.
+
+   runtest.c : run the Expat test suite
+*/
+
+#ifdef HAVE_EXPAT_CONFIG_H
+#include <expat_config.h>
+#endif
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "expat.h"
+#include "chardata.h"
+#include "minicheck.h"
+
+#if defined(__amigaos__) && defined(__USE_INLINE__)
+#include <proto/expat.h>
+#endif
+
+#ifdef XML_LARGE_SIZE
+#define XML_FMT_INT_MOD "ll"
+#else
+#define XML_FMT_INT_MOD "l"
+#endif
+
+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];
+    enum XML_Error err = XML_GetErrorCode(parser);
+    sprintf(buffer,
+            "    %d: %s (line %" XML_FMT_INT_MOD "u, offset %"\
+                XML_FMT_INT_MOD "u)\n    reported from %s, line %d\n",
+            err,
+            XML_ErrorString(err),
+            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 XMLCALL
+dummy_start_doctype_handler(void           *userData,
+                            const XML_Char *doctypeName,
+                            const XML_Char *sysid,
+                            const XML_Char *pubid,
+                            int            has_internal_subset)
+{}
+
+static void XMLCALL
+dummy_end_doctype_handler(void *userData)
+{}
+
+static void XMLCALL
+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 XMLCALL
+dummy_notation_decl_handler(void *userData,
+                            const XML_Char *notationName,
+                            const XML_Char *base,
+                            const XML_Char *systemId,
+                            const XML_Char *publicId)
+{}
+
+static void XMLCALL
+dummy_element_decl_handler(void *userData,
+                           const XML_Char *name,
+                           XML_Content *model)
+{}
+
+static void XMLCALL
+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 XMLCALL
+dummy_comment_handler(void *userData, const XML_Char *data)
+{}
+
+static void XMLCALL
+dummy_pi_handler(void *userData, const XML_Char *target, const XML_Char *data)
+{}
+
+static void XMLCALL
+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 XMLCALL
+accumulate_characters(void *userData, const XML_Char *s, int len)
+{
+    CharData_AppendXMLChars((CharData *)userData, s, len);
+}
+
+static void XMLCALL
+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"
+        "<e>J\xF8rgen \xE6\xF8\xE5\xC6\xD8\xC5</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), XML_TRUE) == 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, XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+START_TEST(test_utf16_le_epilog_newline)
+{
+    unsigned 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, XML_FALSE)
+          == 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, XML_TRUE);
+        if (rc == XML_STATUS_ERROR)
+            xml_failure(parser);
+    }
+}
+END_TEST
+
+/* Regression test for SF bug #481609, #774028. */
+START_TEST(test_latin1_umlauts)
+{
+    char *text =
+        "<?xml version='1.0' encoding='iso-8859-1'?>\n"
+        "<e a='\xE4 \xF6 \xFC &#228; &#246; &#252; &#x00E4; &#x0F6; &#xFC; >'\n"
+        "  >\xE4 \xF6 \xFC &#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 #1 for SF bug #653180. */
+START_TEST(test_line_number_after_parse)
+{  
+    char *text =
+        "<tag>\n"
+        "\n"
+        "\n</tag>";
+    XML_Size lineno;
+
+    if (XML_Parse(parser, text, strlen(text), XML_FALSE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    lineno = XML_GetCurrentLineNumber(parser);
+    if (lineno != 4) {
+        char buffer[100];
+        sprintf(buffer, 
+            "expected 4 lines, saw %" XML_FMT_INT_MOD "u", lineno);
+        fail(buffer);
+    }
+}
+END_TEST
+
+/* Regression test #2 for SF bug #653180. */
+START_TEST(test_column_number_after_parse)
+{
+    char *text = "<tag></tag>";
+    XML_Size colno;
+
+    if (XML_Parse(parser, text, strlen(text), XML_FALSE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+    colno = XML_GetCurrentColumnNumber(parser);
+    if (colno != 11) {
+        char buffer[100];
+        sprintf(buffer, 
+            "expected 11 columns, saw %" XML_FMT_INT_MOD "u", colno);
+        fail(buffer);
+    }
+}
+END_TEST
+
+static void XMLCALL
+start_element_event_handler2(void *userData, const XML_Char *name,
+			     const XML_Char **attr)
+{
+    CharData *storage = (CharData *) userData;
+    char buffer[100];
+
+    sprintf(buffer,
+        "<%s> at col:%" XML_FMT_INT_MOD "u line:%"\
+            XML_FMT_INT_MOD "u\n", name,
+	    XML_GetCurrentColumnNumber(parser),
+	    XML_GetCurrentLineNumber(parser));
+    CharData_AppendString(storage, buffer);
+}
+
+static void XMLCALL
+end_element_event_handler2(void *userData, const XML_Char *name)
+{
+    CharData *storage = (CharData *) userData;
+    char buffer[100];
+
+    sprintf(buffer,
+        "</%s> at col:%" XML_FMT_INT_MOD "u line:%"\
+            XML_FMT_INT_MOD "u\n", name,
+	    XML_GetCurrentColumnNumber(parser),
+	    XML_GetCurrentLineNumber(parser));
+    CharData_AppendString(storage, buffer);
+}
+
+/* Regression test #3 for SF bug #653180. */
+START_TEST(test_line_and_column_numbers_inside_handlers)
+{
+    char *text =
+        "<a>\n"        /* Unix end-of-line */
+        "  <b>\r\n"    /* Windows end-of-line */
+        "    <c/>\r"   /* Mac OS end-of-line */
+        "  </b>\n"
+        "  <d>\n"
+        "    <f/>\n"
+        "  </d>\n"
+        "</a>";
+    char *expected =
+        "<a> at col:0 line:1\n"
+        "<b> at col:2 line:2\n"
+        "<c> at col:4 line:3\n"
+        "</c> at col:8 line:3\n"
+        "</b> at col:2 line:4\n"
+        "<d> at col:2 line:5\n"
+        "<f> at col:4 line:6\n"
+        "</f> at col:8 line:6\n"
+        "</d> at col:2 line:7\n"
+        "</a> at col:0 line:8\n";
+    CharData storage;
+
+    CharData_Init(&storage);
+    XML_SetUserData(parser, &storage);
+    XML_SetStartElementHandler(parser, start_element_event_handler2);
+    XML_SetEndElementHandler(parser, end_element_event_handler2);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+
+    CharData_CheckString(&storage, expected); 
+}
+END_TEST
+
+/* Regression test #4 for SF bug #653180. */
+START_TEST(test_line_number_after_error)
+{
+    char *text =
+        "<a>\n"
+        "  <b>\n"
+        "  </a>";  /* missing </b> */
+    XML_Size lineno;
+    if (XML_Parse(parser, text, strlen(text), XML_FALSE) != XML_STATUS_ERROR)
+        fail("Expected a parse error");
+
+    lineno = XML_GetCurrentLineNumber(parser);
+    if (lineno != 3) {
+        char buffer[100];
+        sprintf(buffer, "expected 3 lines, saw %" XML_FMT_INT_MOD "u", lineno);
+        fail(buffer);
+    }
+}
+END_TEST
+    
+/* Regression test #5 for SF bug #653180. */
+START_TEST(test_column_number_after_error)
+{
+    char *text =
+        "<a>\n"
+        "  <b>\n"
+        "  </a>";  /* missing </b> */
+    XML_Size colno;
+    if (XML_Parse(parser, text, strlen(text), XML_FALSE) != XML_STATUS_ERROR)
+        fail("Expected a parse error");
+
+    colno = XML_GetCurrentColumnNumber(parser);
+    if (colno != 4) { 
+        char buffer[100];
+        sprintf(buffer, 
+            "expected 4 columns, saw %" XML_FMT_INT_MOD "u", colno);
+        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), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+
+/*
+ * Element event tests.
+ */
+
+static void XMLCALL
+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), XML_TRUE) == 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 XMLCALL
+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), XML_TRUE) == 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 XMLCALL
+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 XML_STATUS_OK;
+    }
+    return XML_STATUS_ERROR;
+}
+
+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), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test for SF bug #620106. */
+static int XMLCALL
+external_entity_loader_set_encoding(XML_Parser parser,
+                                    const XML_Char *context,
+                                    const XML_Char *base,
+                                    const XML_Char *systemId,
+                                    const XML_Char *publicId)
+{
+    /* This text says it's an unsupported encoding, but it's really
+       UTF-8, which we tell Expat using XML_SetEncoding().
+    */
+    char *text =
+        "<?xml encoding='iso-8859-3'?>"
+        "\xC3\xA9";
+    XML_Parser extparser;
+
+    extparser = XML_ExternalEntityParserCreate(parser, context, NULL);
+    if (extparser == NULL)
+        fail("Could not create external entity parser.");
+    if (!XML_SetEncoding(extparser, "utf-8"))
+        fail("XML_SetEncoding() ignored for external entity");
+    if (  XML_Parse(extparser, text, strlen(text), XML_TRUE)
+          == XML_STATUS_ERROR) {
+        xml_failure(parser);
+        return 0;
+    }
+    return 1;
+}
+
+START_TEST(test_ext_entity_set_encoding)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ENTITY en SYSTEM 'http://xml.libexpat.org/dummy.ent'>\n"
+        "]>\n"
+        "<doc>&en;</doc>";
+
+    XML_SetExternalEntityRefHandler(parser,
+                                    external_entity_loader_set_encoding);
+    run_character_check(text, "\xC3\xA9");
+}
+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), XML_TRUE) == 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 XMLCALL
+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), XML_TRUE)
+          == XML_STATUS_ERROR) {
+        xml_failure(parser);
+        return XML_STATUS_ERROR;
+    }
+    return XML_STATUS_OK;
+}
+
+/* Test that an error is reported for unknown entities if we have read
+   an external subset, and standalone is true.
+*/
+START_TEST(test_wfc_undeclared_entity_with_external_subset_standalone) {
+    char *text =
+        "<?xml version='1.0' encoding='us-ascii' standalone='yes'?>\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 (external DTD).");
+}
+END_TEST
+
+/* Test that no error is reported for unknown entities if we have read
+   an external subset, and standalone is false.
+*/
+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);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+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
+
+/* Regression test for SF bug #483514. */
+START_TEST(test_dtd_default_handling)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "<!ENTITY e SYSTEM 'http://xml.libexpat.org/e'>\n"
+        "<!NOTATION n SYSTEM 'http://xml.libexpat.org/n'>\n"
+        "<!ELEMENT doc EMPTY>\n"
+        "<!ATTLIST doc a CDATA #IMPLIED>\n"
+        "<?pi in dtd?>\n"
+        "<!--comment in dtd-->\n"
+        "]><doc/>";
+
+    XML_SetDefaultHandler(parser, accumulate_characters);
+    XML_SetDoctypeDeclHandler(parser,
+                              dummy_start_doctype_handler,
+                              dummy_end_doctype_handler);
+    XML_SetEntityDeclHandler(parser, dummy_entity_decl_handler);
+    XML_SetNotationDeclHandler(parser, dummy_notation_decl_handler);
+    XML_SetElementDeclHandler(parser, dummy_element_decl_handler);
+    XML_SetAttlistDeclHandler(parser, dummy_attlist_decl_handler);
+    XML_SetProcessingInstructionHandler(parser, dummy_pi_handler);
+    XML_SetCommentHandler(parser, dummy_comment_handler);
+    run_character_check(text, "\n\n\n\n\n\n\n<doc/>");
+}
+END_TEST
+
+/* See related SF bug #673791.
+   When namespace processing is enabled, setting the namespace URI for
+   a prefix is not allowed; this test ensures that it *is* allowed
+   when namespace processing is not enabled.
+   (See Namespaces in XML, section 2.)
+*/
+START_TEST(test_empty_ns_without_namespaces)
+{
+    char *text =
+        "<doc xmlns:prefix='http://www.example.com/'>\n"
+        "  <e xmlns:prefix=''/>\n"
+        "</doc>";
+
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test for SF bug #824420.
+   Checks that an xmlns:prefix attribute set in an attribute's default
+   value isn't misinterpreted.
+*/
+START_TEST(test_ns_in_attribute_default_without_namespaces)
+{
+    char *text =
+        "<!DOCTYPE e:element [\n"
+        "  <!ATTLIST e:element\n"
+        "    xmlns:e CDATA 'http://example.com/'>\n"
+        "      ]>\n"
+        "<e:element/>";
+
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+static char *long_character_data_text =
+    "<?xml version='1.0' encoding='iso-8859-1'?><s>"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "012345678901234567890123456789012345678901234567890123456789"
+    "</s>";
+
+static XML_Bool resumable = XML_FALSE;
+
+static void
+clearing_aborting_character_handler(void *userData,
+                                    const XML_Char *s, int len)
+{
+    XML_StopParser(parser, resumable);
+    XML_SetCharacterDataHandler(parser, NULL);
+}
+
+/* Regression test for SF bug #1515266: missing check of stopped
+   parser in doContext() 'for' loop. */
+START_TEST(test_stop_parser_between_char_data_calls)
+{
+    /* The sample data must be big enough that there are two calls to
+       the character data handler from within the inner "for" loop of
+       the XML_TOK_DATA_CHARS case in doContent(), and the character
+       handler must stop the parser and clear the character data
+       handler.
+    */
+    char *text = long_character_data_text;
+
+    XML_SetCharacterDataHandler(parser, clearing_aborting_character_handler);
+    resumable = XML_FALSE;
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) != XML_STATUS_ERROR)
+        xml_failure(parser);
+    if (XML_GetErrorCode(parser) != XML_ERROR_ABORTED)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test for SF bug #1515266: missing check of stopped
+   parser in doContext() 'for' loop. */
+START_TEST(test_suspend_parser_between_char_data_calls)
+{
+    /* The sample data must be big enough that there are two calls to
+       the character data handler from within the inner "for" loop of
+       the XML_TOK_DATA_CHARS case in doContent(), and the character
+       handler must stop the parser and clear the character data
+       handler.
+    */
+    char *text = long_character_data_text;
+
+    XML_SetCharacterDataHandler(parser, clearing_aborting_character_handler);
+    resumable = XML_TRUE;
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) != XML_STATUS_SUSPENDED)
+        xml_failure(parser);
+    if (XML_GetErrorCode(parser) != XML_ERROR_NONE)
+        xml_failure(parser);
+}
+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 XMLCALL
+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 XMLCALL
+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, XML_TRUE);
+    XML_SetUserData(parser, elemstr);
+    XML_SetElementHandler(parser, triplet_start_checker, triplet_end_checker);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+static void XMLCALL
+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 XMLCALL
+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), XML_TRUE) == 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, XML_TRUE);
+    run_ns_tagname_overwrite_test(text, result);
+}
+END_TEST
+
+
+/* Regression test for SF bug #620343. */
+static void XMLCALL
+start_element_fail(void *userData,
+                   const XML_Char *name, const XML_Char **atts)
+{
+    /* We should never get here. */
+    fail("should never reach start_element_fail()");
+}
+
+static void XMLCALL
+start_ns_clearing_start_element(void *userData,
+                                const XML_Char *prefix,
+                                const XML_Char *uri)
+{
+    XML_SetStartElementHandler((XML_Parser) userData, NULL);
+}
+
+START_TEST(test_start_ns_clears_start_element)
+{
+    /* This needs to use separate start/end tags; using the empty tag
+       syntax doesn't cause the problematic path through Expat to be
+       taken.
+    */
+    char *text = "<e xmlns='http://xml.libexpat.org/'></e>";
+
+    XML_SetStartElementHandler(parser, start_element_fail);
+    XML_SetStartNamespaceDeclHandler(parser, start_ns_clearing_start_element);
+    XML_UseParserAsHandlerArg(parser);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test for SF bug #616863. */
+static int XMLCALL
+external_entity_handler(XML_Parser parser,
+                        const XML_Char *context,
+                        const XML_Char *base,
+                        const XML_Char *systemId,
+                        const XML_Char *publicId) 
+{
+    long callno = 1 + (long)XML_GetUserData(parser);
+    char *text;
+    XML_Parser p2;
+
+    if (callno == 1)
+        text = ("<!ELEMENT doc (e+)>\n"
+                "<!ATTLIST doc xmlns CDATA #IMPLIED>\n"
+                "<!ELEMENT e EMPTY>\n");
+    else
+        text = ("<?xml version='1.0' encoding='us-ascii'?>"
+                "<e/>");
+
+    XML_SetUserData(parser, (void *) callno);
+    p2 = XML_ExternalEntityParserCreate(parser, context, NULL);
+    if (XML_Parse(p2, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR) {
+        xml_failure(p2);
+        return 0;
+    }
+    XML_ParserFree(p2);
+    return 1;
+}
+
+START_TEST(test_default_ns_from_ext_subset_and_ext_ge)
+{
+    char *text =
+        "<?xml version='1.0'?>\n"
+        "<!DOCTYPE doc SYSTEM 'http://xml.libexpat.org/doc.dtd' [\n"
+        "  <!ENTITY en SYSTEM 'http://xml.libexpat.org/entity.ent'>\n"
+        "]>\n"
+        "<doc xmlns='http://xml.libexpat.org/ns1'>\n"
+        "&en;\n"
+        "</doc>";
+
+    XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
+    XML_SetExternalEntityRefHandler(parser, external_entity_handler);
+    /* We actually need to set this handler to tickle this bug. */
+    XML_SetStartElementHandler(parser, dummy_start_element);
+    XML_SetUserData(parser, NULL);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test #1 for SF bug #673791. */
+START_TEST(test_ns_prefix_with_empty_uri_1)
+{
+    char *text =
+        "<doc xmlns:prefix='http://xml.libexpat.org/'>\n"
+        "  <e xmlns:prefix=''/>\n"
+        "</doc>";
+
+    expect_failure(text,
+                   XML_ERROR_UNDECLARING_PREFIX,
+                   "Did not report re-setting namespace"
+                   " URI with prefix to ''.");
+}
+END_TEST
+
+/* Regression test #2 for SF bug #673791. */
+START_TEST(test_ns_prefix_with_empty_uri_2)
+{
+    char *text =
+        "<?xml version='1.0'?>\n"
+        "<docelem xmlns:pre=''/>";
+
+    expect_failure(text,
+                   XML_ERROR_UNDECLARING_PREFIX,
+                   "Did not report setting namespace URI with prefix to ''.");
+}
+END_TEST
+
+/* Regression test #3 for SF bug #673791. */
+START_TEST(test_ns_prefix_with_empty_uri_3)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ELEMENT doc EMPTY>\n"
+        "  <!ATTLIST doc\n"
+        "    xmlns:prefix CDATA ''>\n"
+        "]>\n"
+        "<doc/>";
+
+    expect_failure(text,
+                   XML_ERROR_UNDECLARING_PREFIX,
+                   "Didn't report attr default setting NS w/ prefix to ''.");
+}
+END_TEST
+
+/* Regression test #4 for SF bug #673791. */
+START_TEST(test_ns_prefix_with_empty_uri_4)
+{
+    char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ELEMENT prefix:doc EMPTY>\n"
+        "  <!ATTLIST prefix:doc\n"
+        "    xmlns:prefix CDATA 'http://xml.libexpat.org/'>\n"
+        "]>\n"
+        "<prefix:doc/>";
+    /* Packaged info expected by the end element handler;
+       the weird structuring lets us re-use the triplet_end_checker()
+       function also used for another test. */
+    char *elemstr[] = {
+        "http://xml.libexpat.org/ doc prefix"
+    };
+    XML_SetReturnNSTriplet(parser, XML_TRUE);
+    XML_SetUserData(parser, elemstr);
+    XML_SetEndElementHandler(parser, triplet_end_checker);
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+START_TEST(test_ns_default_with_empty_uri)
+{
+    char *text =
+        "<doc xmlns='http://xml.libexpat.org/'>\n"
+        "  <e xmlns=''/>\n"
+        "</doc>";
+    if (XML_Parse(parser, text, strlen(text), XML_TRUE) == XML_STATUS_ERROR)
+        xml_failure(parser);
+}
+END_TEST
+
+/* Regression test for SF bug #692964: two prefixes for one namespace. */
+START_TEST(test_ns_duplicate_attrs_diff_prefixes)
+{
+    char *text =
+        "<doc xmlns:a='http://xml.libexpat.org/a'\n"
+        "     xmlns:b='http://xml.libexpat.org/a'\n"
+        "     a:a='v' b:a='v' />";
+    expect_failure(text,
+                   XML_ERROR_DUPLICATE_ATTRIBUTE,
+                   "did not report multiple attributes with same URI+name");
+}
+END_TEST
+
+/* Regression test for SF bug #695401: unbound prefix. */
+START_TEST(test_ns_unbound_prefix_on_attribute)
+{
+    char *text = "<doc a:attr=''/>";
+    expect_failure(text,
+                   XML_ERROR_UNBOUND_PREFIX,
+                   "did not report unbound prefix on attribute");
+}
+END_TEST
+
+/* Regression test for SF bug #695401: unbound prefix. */
+START_TEST(test_ns_unbound_prefix_on_element)
+{
+    char *text = "<a:doc/>";
+    expect_failure(text,
+                   XML_ERROR_UNBOUND_PREFIX,
+                   "did not report unbound prefix on element");
+}
+END_TEST
+
+static Suite *
+make_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_number_after_parse);
+    tcase_add_test(tc_basic, test_column_number_after_parse);
+    tcase_add_test(tc_basic, test_line_and_column_numbers_inside_handlers);
+    tcase_add_test(tc_basic, test_line_number_after_error);
+    tcase_add_test(tc_basic, test_column_number_after_error);
+    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_undeclared_entity_with_external_subset_standalone);
+    tcase_add_test(tc_basic, test_wfc_no_recursive_entity_refs);
+    tcase_add_test(tc_basic, test_ext_entity_set_encoding);
+    tcase_add_test(tc_basic, test_dtd_default_handling);
+    tcase_add_test(tc_basic, test_empty_ns_without_namespaces);
+    tcase_add_test(tc_basic, test_ns_in_attribute_default_without_namespaces);
+    tcase_add_test(tc_basic, test_stop_parser_between_char_data_calls);
+    tcase_add_test(tc_basic, test_suspend_parser_between_char_data_calls);
+
+    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);
+    tcase_add_test(tc_namespace, test_start_ns_clears_start_element);
+    tcase_add_test(tc_namespace, test_default_ns_from_ext_subset_and_ext_ge);
+    tcase_add_test(tc_namespace, test_ns_prefix_with_empty_uri_1);
+    tcase_add_test(tc_namespace, test_ns_prefix_with_empty_uri_2);
+    tcase_add_test(tc_namespace, test_ns_prefix_with_empty_uri_3);
+    tcase_add_test(tc_namespace, test_ns_prefix_with_empty_uri_4);
+    tcase_add_test(tc_namespace, test_ns_default_with_empty_uri);
+    tcase_add_test(tc_namespace, test_ns_duplicate_attrs_diff_prefixes);
+    tcase_add_test(tc_namespace, test_ns_unbound_prefix_on_attribute);
+    tcase_add_test(tc_namespace, test_ns_unbound_prefix_on_element);
+
+    return s;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+    int i, nf;
+    int verbosity = CK_NORMAL;
+    Suite *s = make_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 {
+            fprintf(stderr, "runtests: unknown option '%s'\n", opt);
+            return 2;
+        }
+    }
+    if (verbosity != CK_SILENT)
+        printf("Expat version: %s\n", XML_ExpatVersion());
+    srunner_run_all(sr, verbosity);
+    nf = srunner_ntests_failed(sr);
+    srunner_free(sr);
+
+    return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}