1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-9.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-9.js
new file mode 100644
index 0000000000..60c04f3105
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-9.js
@@ -0,0 +1,22 @@
+// 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 (Sparse Array)
+---*/
+
+var a = new Array(0, 1);
+a[4294967294] = 2; // 2^32-2 - is max array element
+a[4294967295] = 3; // 2^32-1 added as non-array element property
+a[4294967296] = 4; // 2^32   added as non-array element property
+a[4294967297] = 5; // 2^32+1 added as non-array element property
+
+// start searching near the end so in case implementation actually tries to test all missing elements!!
+
+assert.sameValue(a.indexOf(2, 4294967290), 4294967294, 'a.indexOf(2,4294967290 )');
+assert.sameValue(a.indexOf(3, 4294967290), -1, 'a.indexOf(3,4294967290)');
+assert.sameValue(a.indexOf(4, 4294967290), -1, 'a.indexOf(4,4294967290)');
+assert.sameValue(a.indexOf(5, 4294967290), -1, 'a.indexOf(5,4294967290)');
+
+reportCompare(0, 0);