JSTests/test262/test/built-ins/Array/prototype/shift/throws-when-this-value-length-is-writable-false.js

// Copyright (C) 2020 Sony Interactive Entertainment Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.shift
description: >
  Array#shift throws TypeError if this value's "length" property was defined with [[Writable]]: false.
info: |
  Array.prototype.shift ( )
  ...
  3. If len is zero, then
    a. Perform ? Set(O, "length", 0, true).
    ...
  8. Perform ? Set(O, "length", len - 1, true).

  Set ( O, P, V, Throw )
  ...
  4. Let success be ? O.[[Set]](P, V, O).
  5. If success is false and Throw is true, throw a TypeError exception.
---*/

assert.throws(TypeError, () => {
  Array.prototype.shift.call('');
}, "Array.prototype.shift.call('')");

assert.throws(TypeError, () => {
  Array.prototype.shift.call('abc');
}, "Array.prototype.shift.call('abc')");

assert.throws(TypeError, () => {
  Array.prototype.shift.call(function() {});
}, "Array.prototype.shift.call(function() {})");

assert.throws(TypeError, () => {
  Array.prototype.shift.call(Object.defineProperty({}, 'length', {writable: false}));
}, "Array.prototype.shift.call(Object.defineProperty({}, 'length', {writable: false}))");