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47 lines
1.3 KiB
JavaScript
47 lines
1.3 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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esid: sec-dataview-buffer-byteoffset-bytelength
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description: >
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Throws a RangeError if ToInteger(byteLength) < 0
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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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8. If byteLength is either not present or undefined, then
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a. Let viewByteLength be bufferByteLength - offset.
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9. Else,
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a. Let viewByteLength be ? ToIndex(byteLength).
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...
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ToIndex ( value )
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1. If value is undefined, then
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a. Let index be 0.
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2. Else,
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a. Let integerIndex be ? ToInteger(value).
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b. If integerIndex < 0, throw a RangeError exception.
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...
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features: [SharedArrayBuffer]
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---*/
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var buffer = new SharedArrayBuffer(2);
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assert.throws(RangeError, function() {
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new DataView(buffer, 0, -1);
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}, "new DataView(buffer, 0, -1);");
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assert.throws(RangeError, function() {
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new DataView(buffer, 0, -Infinity);
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}, "new DataView(buffer, 0, -Infinity);");
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assert.throws(RangeError, function() {
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new DataView(buffer, 1, -1);
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}, "new DataView(buffer, 1, -1);");
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assert.throws(RangeError, function() {
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new DataView(buffer, 2, -Infinity);
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}, "new DataView(buffer, 2, -Infinity);");
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