12478684aa
PR-URL: https://github.com/nodejs/node/pull/33579 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Shelley Vohr <codebytere@gmail.com>
50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --allow-natives-syntax
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function TestConstructor(c) {
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var a = new c(-0);
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assertSame(Infinity, 1 / a.length);
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assertSame(Infinity, 1 / a.byteLength);
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var ab = new ArrayBuffer(-0);
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assertSame(Infinity, 1 / ab.byteLength);
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var a1 = new c(ab, -0, -0);
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assertSame(Infinity, 1 / a1.length);
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assertSame(Infinity, 1 / a1.byteLength);
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assertSame(Infinity, 1 / a1.byteOffset);
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}
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var constructors =
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[ Uint8Array, Int8Array, Uint8ClampedArray,
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Uint16Array, Int16Array,
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Uint32Array, Int32Array,
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Float32Array, Float64Array ];
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for (var i = 0; i < constructors.length; i++) {
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TestConstructor(constructors[i]);
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}
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function TestOptimizedCode() {
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var a = new Uint8Array(-0);
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assertSame(Infinity, 1 / a.length);
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assertSame(Infinity, 1 / a.byteLength);
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var ab = new ArrayBuffer(-0);
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assertSame(Infinity, 1 / ab.byteLength);
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var a1 = new Uint8Array(ab, -0, -0);
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assertSame(Infinity, 1 / a1.length);
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assertSame(Infinity, 1 / a1.byteLength);
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assertSame(Infinity, 1 / a1.byteOffset);
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}
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%PrepareFunctionForOptimization(TestOptimizedCode);
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TestOptimizedCode();
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TestOptimizedCode();
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%OptimizeFunctionOnNextCall(TestOptimizedCode);
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TestOptimizedCode();
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