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1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4//
5// Flags: --allow-natives-syntax
6
7function TestConstructor(c) {
8  var a = new c(-0);
9  assertSame(Infinity, 1 / a.length);
10  assertSame(Infinity, 1 / a.byteLength);
11
12  var ab = new ArrayBuffer(-0);
13  assertSame(Infinity, 1 / ab.byteLength);
14
15  var a1 = new c(ab, -0, -0);
16  assertSame(Infinity, 1 / a1.length);
17  assertSame(Infinity, 1 / a1.byteLength);
18  assertSame(Infinity, 1 / a1.byteOffset);
19}
20
21var constructors =
22  [ Uint8Array, Int8Array, Uint8ClampedArray,
23    Uint16Array, Int16Array,
24    Uint32Array, Int32Array,
25    Float32Array, Float64Array ];
26for (var i = 0; i < constructors.length; i++) {
27  TestConstructor(constructors[i]);
28}
29
30
31function TestOptimizedCode() {
32  var a = new Uint8Array(-0);
33  assertSame(Infinity, 1 / a.length);
34  assertSame(Infinity, 1 / a.byteLength);
35
36  var ab = new ArrayBuffer(-0);
37  assertSame(Infinity, 1 / ab.byteLength);
38
39  var a1 = new Uint8Array(ab, -0, -0);
40  assertSame(Infinity, 1 / a1.length);
41  assertSame(Infinity, 1 / a1.byteLength);
42  assertSame(Infinity, 1 / a1.byteOffset);
43}
44
45%OptimizeFunctionOnNextCall(Uint8Array);
46for (var i = 0; i < 1000; i++) {
47  TestOptimizedCode();
48}
49