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-rw-r--r--js/src/tests/js1_5/Array/regress-255555.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/Array/regress-255555.js b/js/src/tests/js1_5/Array/regress-255555.js
new file mode 100644
index 000000000..e4b2814b2
--- /dev/null
+++ b/js/src/tests/js1_5/Array/regress-255555.js
@@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 255555;
+var summary = 'Array.prototype.sort(comparefn) never passes undefined to comparefn';
+var actual = 'not undefined';
+var expect = 'not undefined';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function comparefn(a,b)
+{
+ if (typeof a == 'undefined')
+ {
+ actual = 'undefined';
+ return 1;
+ }
+ if (typeof b == 'undefined')
+ {
+ actual = 'undefined';
+ return -1;
+ }
+ return a - b;
+}
+
+var arry = [ 1, 2, undefined ].sort(comparefn)
+
+ reportCompare(expect, actual, summary);