/* * Any copyright is dedicated to the Public Domain. * https://creativecommons.org/publicdomain/zero/1.0/ */ if (typeof getBuildConfiguration === "undefined") { var getBuildConfiguration = SpecialPowers.Cu.getJSTestingFunctions().getBuildConfiguration; } if (typeof getRealmConfiguration === "undefined") { var getRealmConfiguration = SpecialPowers.Cu.getJSTestingFunctions().getRealmConfiguration; } if (getBuildConfiguration()['new-set-methods'] && getRealmConfiguration().enableNewSetMethods) { assertEq(typeof Set.prototype.symmetricDifference, 'function'); assertEq(Set.prototype.symmetricDifference.length, 1); assertEq(Set.prototype.symmetricDifference.name, 'symmetricDifference'); assertSetContainsExactOrderedItems(new Set([1, true, null]).symmetricDifference(new Set()), [1, true, null]); assertSetContainsExactOrderedItems(new Set([1, true, null]).symmetricDifference([1, true, null]), []); assertSetContainsExactOrderedItems(new Set([1, 2, 3]).symmetricDifference([2, 3, 4]), [1, 4]); assertSetContainsExactOrderedItems(new Set([1, 2, 3]).symmetricDifference([4]), [1, 2, 3, 4]); // Works when the argument is a custom iterable which follows the Symbol.iterator protocol assertSetContainsExactOrderedItems(new Set([1, 2, 3]).symmetricDifference(makeArrayIterator([3, 4])), [1, 2, 4]); assertSetContainsExactOrderedItems(new Set(['a']).symmetricDifference('abc'), ['b', 'c']); // Works when the `this` is a custom iterable which follows the Symbol.iterator protocol assertSetContainsExactOrderedItems(Set.prototype.symmetricDifference.call(makeArrayIterator([1, 2, 3, 3, 2]), [4, 5, 6]), [1, 2, 3, 4, 5, 6]); // Does not modify the original set object const set = new Set([1]); assertEq(set.symmetricDifference([2]) !== set, true); // Argument must be iterable assertThrowsInstanceOf(function () { const set = new Set(); set.symmetricDifference(); }, TypeError); for (const arg of [null, {}, true, 1, undefined, NaN, Symbol()]) { assertThrowsInstanceOf(function () { const set = new Set(); set.symmetricDifference(arg); }, TypeError); } // `this` must be an Object for (const arg of [null, undefined, Symbol()]) { assertThrowsInstanceOf(function () { Set.prototype.symmetricDifference.call(arg, []); }, TypeError); } // `this` must be iterable assertThrowsInstanceOf(function () { Set.prototype.symmetricDifference.call({}, []); }, TypeError); } else { assertEq(typeof Set.prototype.symmetricDifference, 'undefined'); } if (typeof reportCompare === "function") reportCompare(true, true);