// 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(NaN, NaN), true, "`Object.is(NaN, NaN)` returns `true`"); assert.sameValue(Object.is(-0, -0), true, "`Object.is(-0, -0)` returns `true`"); assert.sameValue(Object.is(+0, +0), true, "`Object.is(+0, +0)` returns `true`"); assert.sameValue(Object.is(0, 0), true, "`Object.is(0, 0)` returns `true`"); reportCompare(0, 0);