mirror of https://github.com/tc39/test262.git
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
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// 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 RangeError if offset + viewByteLength > bufferByteLength
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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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10. If byteLength is undefined, then
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...
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11. Else,
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a. Let viewByteLength be ? ToLength(byteLength).
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b. If offset+viewByteLength > bufferByteLength, throw a RangeError
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exception.
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...
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features: [SharedArrayBuffer]
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---*/
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var buffer = new SharedArrayBuffer(3);
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assert.throws(RangeError, function() {
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new DataView(buffer, 0, 4);
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}, "offset: 0, length 4");
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assert.throws(RangeError, function() {
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new DataView(buffer, 1, 3);
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}, "offset: 1, length: 3");
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assert.throws(RangeError, function() {
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new DataView(buffer, 2, 2);
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}, "offset: 2, length: 2");
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assert.throws(RangeError, function() {
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new DataView(buffer, 3, 1);
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}, "offset: 3, length: 1");
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assert.throws(RangeError, function() {
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new DataView(buffer, 4, 0);
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}, "offset: 4, length: 0");
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assert.throws(RangeError, function() {
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new DataView(buffer, 4, -1);
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}, "offset: 4, length: -1");
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assert.throws(RangeError, function() {
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new DataView(buffer, 4, -Infinity);
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}, "offset: 4, length: -Infinity");
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assert.throws(RangeError, function() {
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new DataView(buffer, 0, Infinity);
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}, "offset: 0, length: Infinity");
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