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44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. 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 RangeError if ToNumber(byteOffset) diffs ToInteger(byteOffset)
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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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---*/
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var ab = new ArrayBuffer(42);
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assert.throws(RangeError, function() {
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new DataView(ab, 1.1);
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}, "1.1");
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assert.throws(RangeError, function() {
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new DataView(ab, 0.0000001);
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}, "0.0000001");
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assert.throws(RangeError, function() {
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new DataView(ab, NaN);
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}, "NaN");
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assert.throws(RangeError, function() {
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new DataView(ab, -1.1);
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}, "-1.1");
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assert.throws(RangeError, function() {
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new DataView(ab, undefined);
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}, "undefined");
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assert.throws(RangeError, function() {
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new DataView(ab);
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}, "no byteOffset arg");
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