1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-2.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-2.js
new file mode 100644
index 0000000000..5250eb36d4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-2.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.indexof
+description: Array.prototype.indexOf must return correct index (Number)
+---*/
+
+var obj = {
+  toString: function() {
+    return 0
+  }
+};
+var one = 1;
+var _float = -(4 / 3);
+var a = new Array(false, undefined, null, "0", obj, -1.3333333333333, "str", -0, true, +0, one, 1, 0, false, _float, -(4 / 3));
+
+assert.sameValue(a.indexOf(-(4 / 3)), 14, 'a[14]=_float===-(4/3)');
+assert.sameValue(a.indexOf(0), 7, 'a[7] = +0, 0===+0');
+assert.sameValue(a.indexOf(-0), 7, 'a[7] = +0, -0===+0');
+assert.sameValue(a.indexOf(1), 10, 'a[10] =one=== 1');
+
+reportCompare(0, 0);