1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/isInteger/arg-is-not-number.js b/js/src/tests/test262/built-ins/Number/isInteger/arg-is-not-number.js
new file mode 100644
index 0000000000..59aa03c750
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/isInteger/arg-is-not-number.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-number.isinteger
+description: >
+  Return false if argument is not Number
+info: |
+  Number.isInteger ( number )
+
+  1. If Type(number) is not Number, return false.
+  [...]
+features: [Symbol]
+---*/
+
+assert.sameValue(Number.isInteger("1"), false, "string");
+assert.sameValue(Number.isInteger([1]), false, "[1]");
+assert.sameValue(Number.isInteger(new Number(42)), false, "Number object");
+assert.sameValue(Number.isInteger(false), false, "false");
+assert.sameValue(Number.isInteger(true), false, "true");
+assert.sameValue(Number.isInteger(undefined), false, "undefined");
+assert.sameValue(Number.isInteger(null), false, "null");
+assert.sameValue(Number.isInteger(Symbol("1")), false, "symbol");
+assert.sameValue(Number.isInteger(), false, "no arg");
+
+reportCompare(0, 0);