]> granicus.if.org Git - libexpat/commitdiff
Test long root element name with a failing allocator
authorRhodri James <rhodri@kynesim.co.uk>
Thu, 27 Apr 2017 13:15:58 +0000 (14:15 +0100)
committerSebastian Pipping <sebastian@pipping.org>
Sat, 22 Jul 2017 20:49:15 +0000 (22:49 +0200)
expat/tests/runtests.c

index a8e76034491d73e89e46ec276b6d0dbd2b549ba8..42c1425254d49513257ae97bc0f75904d997cde6 100644 (file)
@@ -8035,6 +8035,52 @@ START_TEST(test_alloc_realloc_attributes)
 #undef MAX_REALLOC_COUNT
 END_TEST
 
+START_TEST(test_alloc_long_doc_name)
+{
+    const char *text =
+        /* 64 characters per line */
+        "<LongRootElementNameThatWillCauseTheNextAllocationToExpandTheStr"
+        "ingPoolForTheDTDQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
+        " a='1'/>";
+    int i;
+#define MAX_ALLOC_COUNT 10
+    int repeat = 0;
+
+    for (i = 0; i < MAX_ALLOC_COUNT; i++) {
+        /* Repeat certain counts to defeat cached allocations */
+        if ((i == 2 && repeat < 4) ||
+            (i == 3 && repeat < 6)) {
+            i--;
+            repeat++;
+        }
+        allocation_count = i;
+        if (_XML_Parse_SINGLE_BYTES(parser, text, strlen(text),
+                                    XML_TRUE) != XML_STATUS_ERROR)
+            break;
+        XML_ParserReset(parser, NULL);
+    }
+    if (i == 0)
+        fail("Parsing worked despite failing reallocations");
+    else if (i == MAX_ALLOC_COUNT)
+        fail("Parsing failed even at max reallocation count");
+}
+#undef MAX_ALLOC_COUNT
+END_TEST
+
 
 static void
 nsalloc_setup(void)
@@ -9008,6 +9054,7 @@ make_suite(void)
     tcase_add_test(tc_alloc, test_alloc_realloc_param_entity_newline);
     tcase_add_test(tc_alloc, test_alloc_realloc_ce_extends_pe);
     tcase_add_test(tc_alloc, test_alloc_realloc_attributes);
+    tcase_add_test(tc_alloc, test_alloc_long_doc_name);
 
     suite_add_tcase(s, tc_nsalloc);
     tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);