From: Rhodri James <rhodri@kynesim.co.uk>
Date: Thu, 27 Apr 2017 13:15:58 +0000 (+0100)
Subject: Test long root element name with a failing allocator
X-Git-Tag: R_2_2_3~22^2~153
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=02a9d765d6b18da72207b82fe6c4e0e9cd20a6ba;p=libexpat

Test long root element name with a failing allocator
---

diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index a8e76034..42c14252 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -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);