test262/test/language/expressions/instanceof/symbol-hasinstance-get-err.js
Mike Pennisi 652e35bd32 Add tests for well-known Symbol, @@hasInstance
Assert the behavior of the built-in method on the FunctionPrototype and
the usage of the Symbol by the `instanceof` operator.
2015-07-28 00:08:55 -04:00

25 lines
631 B
JavaScript

// Copyright (C) Copyright 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 12.9.4
description: Error thrown when accessing constructor's @@hasInstance property
info: >
1. If Type(C) is not Object, throw a TypeError exception.
2. Let instOfHandler be GetMethod(C,@@hasInstance).
3. ReturnIfAbrupt(instOfHandler).
features: [Symbol.hasInstance]
---*/
var F = {};
Object.defineProperty(F, Symbol.hasInstance, {
get: function() {
throw new Test262Error();
}
});
assert.throws(Test262Error, function() {
0 instanceof F;
});