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-rw-r--r--js/src/tests/non262/Array/regress-310425-01.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/regress-310425-01.js b/js/src/tests/non262/Array/regress-310425-01.js
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index 0000000000..a60d6660a4
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+++ b/js/src/tests/non262/Array/regress-310425-01.js
@@ -0,0 +1,27 @@
+/* -*- 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 = 310425;
+var summary = 'Array.indexOf/lastIndexOf edge cases';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+expect = -1;
+actual = [].lastIndexOf(undefined, -1);
+reportCompare(expect, actual, summary);
+
+expect = -1;
+actual = [].indexOf(undefined, -1);
+reportCompare(expect, actual, summary);
+
+var x = [];
+x[1 << 30] = 1;
+expect = (1 << 30);
+actual = x.lastIndexOf(1);
+reportCompare(expect, actual, summary);