1 files changed, 80 insertions, 0 deletions
diff --git a/testparser.c b/testparser.c
new file mode 100644
index 00000000..625ba100
--- /dev/null
+++ b/testparser.c
@@ -0,0 +1,80 @@
+/*
+ * 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;
+}
+