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libxml2/testparser.c
Nick Wellnhofer 89d19534de encoding: Fix decoding of large chunks
After 95e81a36, we must support XML_ENC_ERR_SPACE when using built-in
encoding handlers.

Should fix #610.
2023-10-28 03:14:13 +02:00

81 lines
1.8 KiB
C

/*
* testparser.c: Additional parser tests
*
* See Copyright for the status of this software.
*/
#include <libxml/parser.h>
#ifdef LIBXML_PUSH_ENABLED
static int
testHugePush(void) {
xmlParserCtxtPtr ctxt;
int err, i;
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
/*
* Push parse a document larger than XML_MAX_LOOKUP_LIMIT
* (10,000,000 bytes). This mainly tests whether shrinking the
* buffer works when push parsing.
*/
xmlParseChunk(ctxt, "<doc>", 5, 0);
for (i = 0; i < 1000000; i++)
xmlParseChunk(ctxt, "<elem>text</elem>", 17, 0);
xmlParseChunk(ctxt, "</doc>", 6, 1);
err = ctxt->wellFormed ? 0 : 1;
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
return err;
}
static int
testHugeEncodedChunk(void) {
xmlBufferPtr buf;
xmlChar *chunk;
xmlParserCtxtPtr ctxt;
int err, i;
/*
* Test the push parser with a built-in encoding handler like ISO-8859-1
* and a chunk larger than the initial decoded buffer (currently 4 KB).
*/
buf = xmlBufferCreate();
xmlBufferCat(buf,
BAD_CAST "<?xml version='1.0' encoding='ISO-8859-1'?>\n");
xmlBufferCat(buf, BAD_CAST "<doc><!-- ");
for (i = 0; i < 2000; i++)
xmlBufferCat(buf, BAD_CAST "0123456789");
xmlBufferCat(buf, BAD_CAST " --></doc>");
chunk = xmlBufferDetach(buf);
xmlBufferFree(buf);
ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
xmlParseChunk(ctxt, (char *) chunk, xmlStrlen(chunk), 0);
xmlParseChunk(ctxt, NULL, 0, 1);
err = ctxt->wellFormed ? 0 : 1;
xmlFreeDoc(ctxt->myDoc);
xmlFreeParserCtxt(ctxt);
xmlFree(chunk);
return err;
}
#endif
int
main(void) {
int err = 0;
#ifdef LIBXML_PUSH_ENABLED
err |= testHugePush();
err |= testHugeEncodedChunk();
#endif
return err;
}