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https://github.com/tc39/test262.git
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44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 24.2.2.1
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esid: sec-dataview-buffer-byteoffset-bytelength
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description: >
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Throws a TypeError if buffer does not have [[ArrayBufferData]]
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info: |
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24.2.2.1 DataView (buffer, byteOffset, byteLength )
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...
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2. If Type(buffer) is not Object, throw a TypeError exception.
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3. If buffer does not have an [[ArrayBufferData]] internal slot, throw a
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TypeError exception.
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...
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features: [SharedArrayBuffer]
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---*/
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var obj = {
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valueOf: function() {
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throw new Test262Error("buffer should be verified before byteOffset");
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}
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};
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assert.throws(TypeError, function() {
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new DataView({}, obj);
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}, "{}");
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assert.throws(TypeError, function() {
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new DataView([], obj);
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}, "[]");
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var ta = new Int8Array();
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assert.throws(TypeError, function() {
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new DataView(ta, obj);
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}, "typedArray instance");
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var other = new DataView(new SharedArrayBuffer(1), 0);
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assert.throws(TypeError, function() {
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new DataView(other, obj);
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}, "dataView instance");
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