1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/is/not-same-value-x-y-number.js b/js/src/tests/test262/built-ins/Object/is/not-same-value-x-y-number.js
new file mode 100644
index 0000000000..7dd60bed5d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/is/not-same-value-x-y-number.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.10
+description: >
+    Object.is ( value1, value2 )
+
+    ...
+    6. If Type(x) is Number, then
+      a. If x is NaN and y is NaN, return true.
+      b. If x is +0 and y is -0, return false.
+      c. If x is -0 and y is +0, return false.
+      d. If x is the same Number value as y, return true.
+      e. Return false.
+    ...
+---*/
+
+assert.sameValue(Object.is(+0, -0), false, "`Object.is(+0, -0)` returns `false`");
+assert.sameValue(Object.is(-0, +0), false, "`Object.is(-0, +0)` returns `false`");
+assert.sameValue(Object.is(0), false, "`Object.is(0)` returns `false`");
+assert.sameValue(Object.is(Infinity, -Infinity), false, "`Object.is(Infinity, -Infinity)` returns `false`");
+
+reportCompare(0, 0);