mirror of
https://gitlab.gnome.org/GNOME/libxml2.git
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b8597f46df
It's possible to create references to predefined entities using the tree
API. This edge case was exposed by making predefined entities const in
commit 63ce5f9a.
420 lines
10 KiB
C
420 lines
10 KiB
C
/*
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* testparser.c: Additional parser tests
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*
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* See Copyright for the status of this software.
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*/
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#include <libxml/parser.h>
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#include <libxml/xmlreader.h>
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#include <libxml/xmlwriter.h>
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#include <libxml/HTMLparser.h>
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#include <string.h>
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static int
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testStandaloneWithEncoding(void) {
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xmlDocPtr doc;
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const char *str =
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"<?xml version=\"1.0\" standalone=\"yes\"?>\n"
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"<doc></doc>\n";
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int err = 0;
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xmlResetLastError();
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doc = xmlReadDoc(BAD_CAST str, NULL, "UTF-8", 0);
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if (doc == NULL) {
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fprintf(stderr, "xmlReadDoc failed\n");
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err = 1;
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}
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xmlFreeDoc(doc);
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return err;
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}
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static int
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testUnsupportedEncoding(void) {
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xmlDocPtr doc;
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const xmlError *error;
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int err = 0;
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xmlResetLastError();
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doc = xmlReadDoc(BAD_CAST "<doc/>", NULL, "#unsupported",
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XML_PARSE_NOWARNING);
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if (doc == NULL) {
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fprintf(stderr, "xmlReadDoc failed with unsupported encoding\n");
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err = 1;
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}
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xmlFreeDoc(doc);
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error = xmlGetLastError();
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if (error->code != XML_ERR_UNSUPPORTED_ENCODING ||
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error->level != XML_ERR_WARNING ||
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strcmp(error->message, "Unsupported encoding: #unsupported\n") != 0)
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{
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fprintf(stderr, "xmlReadDoc failed to raise correct error\n");
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err = 1;
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}
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return err;
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}
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static int
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testNodeGetContent(void) {
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xmlDocPtr doc;
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xmlChar *content;
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int err = 0;
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doc = xmlReadDoc(BAD_CAST "<doc/>", NULL, NULL, 0);
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xmlAddChild(doc->children, xmlNewReference(doc, BAD_CAST "lt"));
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content = xmlNodeGetContent((xmlNodePtr) doc);
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if (strcmp((char *) content, "<") != 0) {
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fprintf(stderr, "xmlNodeGetContent failed\n");
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err = 1;
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}
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xmlFree(content);
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xmlFreeDoc(doc);
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return err;
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}
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#ifdef LIBXML_SAX1_ENABLED
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static int
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testBalancedChunk(void) {
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xmlNodePtr list;
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xmlNodePtr elem;
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int ret;
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int err = 0;
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ret = xmlParseBalancedChunkMemory(NULL, NULL, NULL, 0,
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BAD_CAST "start <node xml:lang='en'>abc</node> end", &list);
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if ((ret != XML_ERR_OK) ||
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(list == NULL) ||
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((elem = list->next) == NULL) ||
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(elem->type != XML_ELEMENT_NODE) ||
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(elem->nsDef == NULL) ||
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(!xmlStrEqual(elem->nsDef->href, XML_XML_NAMESPACE))) {
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fprintf(stderr, "xmlParseBalancedChunkMemory failed\n");
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err = 1;
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}
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xmlFreeNodeList(list);
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return(err);
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}
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#endif
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#ifdef LIBXML_PUSH_ENABLED
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static int
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testHugePush(void) {
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xmlParserCtxtPtr ctxt;
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int err, i;
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ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
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/*
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* Push parse a document larger than XML_MAX_LOOKUP_LIMIT
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* (10,000,000 bytes). This mainly tests whether shrinking the
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* buffer works when push parsing.
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*/
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xmlParseChunk(ctxt, "<doc>", 5, 0);
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for (i = 0; i < 1000000; i++)
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xmlParseChunk(ctxt, "<elem>text</elem>", 17, 0);
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xmlParseChunk(ctxt, "</doc>", 6, 1);
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err = ctxt->wellFormed ? 0 : 1;
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xmlFreeDoc(ctxt->myDoc);
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xmlFreeParserCtxt(ctxt);
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return err;
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}
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static int
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testHugeEncodedChunk(void) {
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xmlBufferPtr buf;
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xmlChar *chunk;
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xmlParserCtxtPtr ctxt;
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int err, i;
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/*
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* Test the push parser with a built-in encoding handler like ISO-8859-1
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* and a chunk larger than the initial decoded buffer (currently 4 KB).
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*/
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buf = xmlBufferCreate();
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xmlBufferCat(buf,
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BAD_CAST "<?xml version='1.0' encoding='ISO-8859-1'?>\n");
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xmlBufferCat(buf, BAD_CAST "<doc><!-- ");
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for (i = 0; i < 2000; i++)
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xmlBufferCat(buf, BAD_CAST "0123456789");
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xmlBufferCat(buf, BAD_CAST " --></doc>");
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chunk = xmlBufferDetach(buf);
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xmlBufferFree(buf);
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ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
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xmlParseChunk(ctxt, (char *) chunk, xmlStrlen(chunk), 0);
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xmlParseChunk(ctxt, NULL, 0, 1);
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err = ctxt->wellFormed ? 0 : 1;
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xmlFreeDoc(ctxt->myDoc);
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xmlFreeParserCtxt(ctxt);
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xmlFree(chunk);
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return err;
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}
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#ifdef LIBXML_HTML_ENABLED
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static int
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testHtmlPushWithEncoding(void) {
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htmlParserCtxtPtr ctxt;
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htmlDocPtr doc;
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htmlNodePtr node;
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int err = 0;
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ctxt = htmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL,
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XML_CHAR_ENCODING_UTF8);
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htmlParseChunk(ctxt, "-\xC3\xA4-", 4, 1);
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doc = ctxt->myDoc;
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if (!xmlStrEqual(doc->encoding, BAD_CAST "UTF-8")) {
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fprintf(stderr, "testHtmlPushWithEncoding failed\n");
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err = 1;
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}
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node = xmlDocGetRootElement(doc)->children->children->children;
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if (!xmlStrEqual(node->content, BAD_CAST "-\xC3\xA4-")) {
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fprintf(stderr, "testHtmlPushWithEncoding failed\n");
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err = 1;
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}
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xmlFreeDoc(doc);
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htmlFreeParserCtxt(ctxt);
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return err;
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}
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#endif
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#endif
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#ifdef LIBXML_READER_ENABLED
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static int
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testReaderEncoding(void) {
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xmlBuffer *buf;
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xmlTextReader *reader;
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xmlChar *xml;
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const xmlChar *encoding;
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int err = 0;
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int i;
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buf = xmlBufferCreate();
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xmlBufferCCat(buf, "<?xml version='1.0' encoding='ISO-8859-1'?>\n");
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xmlBufferCCat(buf, "<doc>");
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for (i = 0; i < 8192; i++)
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xmlBufferCCat(buf, "x");
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xmlBufferCCat(buf, "</doc>");
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xml = xmlBufferDetach(buf);
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xmlBufferFree(buf);
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reader = xmlReaderForDoc(BAD_CAST xml, NULL, NULL, 0);
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xmlTextReaderRead(reader);
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encoding = xmlTextReaderConstEncoding(reader);
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if (!xmlStrEqual(encoding, BAD_CAST "ISO-8859-1")) {
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fprintf(stderr, "testReaderEncoding failed\n");
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err = 1;
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}
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xmlFreeTextReader(reader);
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xmlFree(xml);
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return err;
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}
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static int
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testReaderContent(void) {
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xmlTextReader *reader;
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const xmlChar *xml = BAD_CAST "<d>x<e>y</e><f>z</f></d>";
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xmlChar *string;
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int err = 0;
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reader = xmlReaderForDoc(xml, NULL, NULL, 0);
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xmlTextReaderRead(reader);
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string = xmlTextReaderReadOuterXml(reader);
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if (!xmlStrEqual(string, xml)) {
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fprintf(stderr, "xmlTextReaderReadOuterXml failed\n");
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err = 1;
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}
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xmlFree(string);
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string = xmlTextReaderReadInnerXml(reader);
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if (!xmlStrEqual(string, BAD_CAST "x<e>y</e><f>z</f>")) {
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fprintf(stderr, "xmlTextReaderReadInnerXml failed\n");
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err = 1;
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}
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xmlFree(string);
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string = xmlTextReaderReadString(reader);
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if (!xmlStrEqual(string, BAD_CAST "xyz")) {
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fprintf(stderr, "xmlTextReaderReadString failed\n");
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err = 1;
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}
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xmlFree(string);
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xmlFreeTextReader(reader);
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return err;
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}
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#ifdef LIBXML_XINCLUDE_ENABLED
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typedef struct {
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char *message;
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int code;
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} testReaderErrorCtxt;
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static void
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testReaderError(void *arg, const char *msg,
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xmlParserSeverities severity ATTRIBUTE_UNUSED,
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xmlTextReaderLocatorPtr locator ATTRIBUTE_UNUSED) {
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testReaderErrorCtxt *ctxt = arg;
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if (ctxt->message != NULL)
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xmlFree(ctxt->message);
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ctxt->message = xmlMemStrdup(msg);
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}
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static void
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testStructuredReaderError(void *arg, const xmlError *error) {
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testReaderErrorCtxt *ctxt = arg;
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if (ctxt->message != NULL)
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xmlFree(ctxt->message);
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ctxt->message = xmlMemStrdup(error->message);
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ctxt->code = error->code;
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}
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static int
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testReaderXIncludeError(void) {
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/*
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* Test whether XInclude errors are reported to the custom error
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* handler of a reader.
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*/
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const char *doc =
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"<doc xmlns:xi='http://www.w3.org/2001/XInclude'>\n"
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" <xi:include/>\n"
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"</doc>\n";
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xmlTextReader *reader;
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testReaderErrorCtxt errorCtxt;
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int err = 0;
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reader = xmlReaderForDoc(BAD_CAST doc, NULL, NULL, XML_PARSE_XINCLUDE);
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xmlTextReaderSetErrorHandler(reader, testReaderError, &errorCtxt);
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errorCtxt.message = NULL;
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errorCtxt.code = 0;
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while (xmlTextReaderRead(reader) > 0)
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;
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if (errorCtxt.message == NULL ||
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strstr(errorCtxt.message, "href or xpointer") == NULL) {
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fprintf(stderr, "xmlTextReaderSetErrorHandler failed\n");
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err = 1;
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}
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xmlFree(errorCtxt.message);
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xmlFreeTextReader(reader);
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reader = xmlReaderForDoc(BAD_CAST doc, NULL, NULL, XML_PARSE_XINCLUDE);
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xmlTextReaderSetStructuredErrorHandler(reader, testStructuredReaderError,
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&errorCtxt);
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errorCtxt.message = NULL;
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errorCtxt.code = 0;
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while (xmlTextReaderRead(reader) > 0)
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;
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if (errorCtxt.code != XML_XINCLUDE_NO_HREF ||
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errorCtxt.message == NULL ||
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strstr(errorCtxt.message, "href or xpointer") == NULL) {
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fprintf(stderr, "xmlTextReaderSetStructuredErrorHandler failed\n");
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err = 1;
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}
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xmlFree(errorCtxt.message);
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xmlFreeTextReader(reader);
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return err;
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}
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#endif
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#endif
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#ifdef LIBXML_WRITER_ENABLED
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static int
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testWriterIOWrite(void *ctxt, const char *data, int len) {
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(void) ctxt;
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(void) data;
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return len;
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}
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static int
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testWriterIOClose(void *ctxt) {
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(void) ctxt;
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return XML_IO_ENAMETOOLONG;
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}
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static int
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testWriterClose(void){
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xmlOutputBufferPtr out;
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xmlTextWriterPtr writer;
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int err = 0;
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int result;
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out = xmlOutputBufferCreateIO(testWriterIOWrite, testWriterIOClose,
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NULL, NULL);
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writer = xmlNewTextWriter(out);
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xmlTextWriterStartDocument(writer, "1.0", "UTF-8", NULL);
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xmlTextWriterStartElement(writer, BAD_CAST "elem");
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xmlTextWriterEndElement(writer);
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xmlTextWriterEndDocument(writer);
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result = xmlTextWriterClose(writer);
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if (result != XML_IO_ENAMETOOLONG) {
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fprintf(stderr, "xmlTextWriterClose reported wrong error %d\n",
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result);
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err = 1;
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}
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xmlFreeTextWriter(writer);
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return err;
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}
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#endif
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int
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main(void) {
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int err = 0;
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err |= testStandaloneWithEncoding();
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err |= testUnsupportedEncoding();
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err |= testNodeGetContent();
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#ifdef LIBXML_SAX1_ENABLED
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err |= testBalancedChunk();
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#endif
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#ifdef LIBXML_PUSH_ENABLED
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err |= testHugePush();
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err |= testHugeEncodedChunk();
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#ifdef LIBXML_HTML_ENABLED
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err |= testHtmlPushWithEncoding();
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#endif
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#endif
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#ifdef LIBXML_READER_ENABLED
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err |= testReaderEncoding();
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err |= testReaderContent();
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#ifdef LIBXML_XINCLUDE_ENABLED
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err |= testReaderXIncludeError();
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#endif
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#endif
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#ifdef LIBXML_WRITER_ENABLED
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err |= testWriterClose();
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#endif
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return err;
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}
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