JSTests/test262/test/built-ins/RegExp/prototype/flags/this-val-non-obj.js

// Copyright (C) 2017 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-get-regexp.prototype.flags
description: A TypeError is thrown when the `this` value is not an Object
info: |
  1. Let R be the this value.
  2. If Type(R) is not Object, throw a TypeError exception.
features: [Symbol]
---*/

var get = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags').get;

assert.throws(TypeError, function() {
  get.call(undefined);
}, 'undefined');

assert.throws(TypeError, function() {
  get.call(null);
}, 'null');

assert.throws(TypeError, function() {
  get.call(4);
}, 'number');

assert.throws(TypeError, function() {
  get.call('string');
}, 'string');

assert.throws(TypeError, function() {
  get.call(false);
}, 'boolean');

assert.throws(TypeError, function() {
  get.call(Symbol());
}, 'symbol');