michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: var list = [
michael@0:     [1, 1, true],
michael@0:     [0, 1, false],
michael@0:     [3.5, 3.5, true],
michael@0:     [0, 0, true],
michael@0:     [0, -0, false],
michael@0:     [-0, 0, false],
michael@0:     [-0, -0, true],
michael@0: 
michael@0:     [true, true, true],
michael@0:     [true, false, false],
michael@0:     [false, false, true],
michael@0: 
michael@0:     [NaN, NaN, true],
michael@0:     [NaN, undefined, false],
michael@0:     [Infinity, -Infinity, false],
michael@0:     [Infinity, Infinity, true],
michael@0: ]
michael@0: 
michael@0: for (var test of list) {
michael@0:     assertEq(Object.is(test[0], test[1]), test[2])
michael@0: }
michael@0: 
michael@0: var obj = {}
michael@0: assertEq(Object.is(obj, obj), true);
michael@0: assertEq(Object.is(obj, {}), false);
michael@0: assertEq(Object.is([], []), false);
michael@0: 
michael@0: assertEq(Object.is(null, null, null), true);
michael@0: 
michael@0: /* Not defined parameters are undefined ... */
michael@0: assertEq(Object.is(null), false);
michael@0: assertEq(Object.is(undefined), true);
michael@0: assertEq(Object.is(), true);
michael@0: 
michael@0: assertEq(Object.is.length, 2);