JSTests/test262/test/built-ins/Object/is/not-same-value-x-y-undefined.js

// 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 )

    7.2.9 SameValue(x, y)

    ...
    4. If Type(x) is Undefined, return true.
    ...

---*/

assert.sameValue(Object.is(undefined, null), false, "`Object.is(undefined, null)` returns `false`");