Strict mode Passingnon-Strict mode Passing
Features:
- Symbol
// Copyright (C) 2017 Jordan Harband. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.sort description: throws on a non-undefined non-function info: | 22.1.3.25 Array.prototype.sort ( comparefn ) Upon entry, the following steps are performed to initialize evaluation of the sort function: ... 1. If _comparefn_ is not *undefined* and IsCallable(_comparefn_) is *false*, throw a *TypeError* exception. ... features: [Symbol] ---*/ var sample = [1]; var poisoned = { get length() { throw new Test262Error("IsCallable(comparefn) should be observed before this.length"); } }; assert.throws(TypeError, function() { sample.sort(null); }, "sample.sort(null);"); assert.throws(TypeError, function() { [].sort.call(poisoned, null); }, "[].sort.call(poisoned, null);"); assert.throws(TypeError, function() { sample.sort(true); }, "sample.sort(true);"); assert.throws(TypeError, function() { [].sort.call(poisoned, true); }, "[].sort.call(poisoned, true);"); assert.throws(TypeError, function() { sample.sort(false); }, "sample.sort(false);"); assert.throws(TypeError, function() { [].sort.call(poisoned, false); }, "[].sort.call(poisoned, false);"); assert.throws(TypeError, function() { sample.sort(''); }, "sample.sort('');"); assert.throws(TypeError, function() { [].sort.call(poisoned, ''); }, "[].sort.call(poisoned, '');"); assert.throws(TypeError, function() { sample.sort(/a/g); }, "sample.sort(/a/g);"); assert.throws(TypeError, function() { [].sort.call(poisoned, /a/g); }, "[].sort.call(poisoned, /a/g);"); assert.throws(TypeError, function() { sample.sort(42); }, "sample.sort(42);"); assert.throws(TypeError, function() { [].sort.call(poisoned, 42); }, "[].sort.call(poisoned, 42);"); assert.throws(TypeError, function() { sample.sort([]); }, "sample.sort([]);"); assert.throws(TypeError, function() { [].sort.call(poisoned, []); }, "[].sort.call(poisoned, []);"); assert.throws(TypeError, function() { sample.sort({}); }, "sample.sort({});"); assert.throws(TypeError, function() { [].sort.call(poisoned, {}); }, "[].sort.call(poisoned, {});"); assert.throws(TypeError, function() { sample.sort(Symbol()); }, "sample.sort(Symbol());"); assert.throws(TypeError, function() { [].sort.call(poisoned, Symbol()); }, "[].sort.call(poisoned, Symbol());");