// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 22.2.4 description: Super need to be called to initialize internals info: | 22.2.4 The TypedArray Constructors ... The TypedArray constructors are designed to be subclassable. They may be used as the value of an extends clause of a class definition. Subclass constructors that intend to inherit the specified TypedArray behaviour must include a super call to the TypedArray constructor to create and initialize the subclass instance with the internal state necessary to support the %TypedArray%.prototype built-in methods. ---*/ [ Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array ].forEach(function(Constructor) { class Typed extends Constructor { constructor() {} } assert.throws(ReferenceError, function() { new Typed(); }); class TypedWithSuper extends Constructor { constructor() { super(); } } new TypedWithSuper(); }); reportCompare(0, 0);