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29 lines
803 B
JavaScript
29 lines
803 B
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(byteOffset) < 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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4. Let numberOffset be ? ToNumber(byteOffset).
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5. Let offset be ToInteger(numberOffset).
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6. If numberOffset ≠ offset or offset < 0, throw a RangeError exception.
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...
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features: [SharedArrayBuffer]
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---*/
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var ab = new SharedArrayBuffer(42);
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assert.throws(RangeError, function() {
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new DataView(ab, -1);
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}, "-1");
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assert.throws(RangeError, function() {
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new DataView(ab, -Infinity);
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}, "-Infinity");
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