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60d1aac8d2
PR-URL: https://github.com/nodejs/node/pull/12784 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
74 lines
1.4 KiB
JavaScript
74 lines
1.4 KiB
JavaScript
// Copyright 2016 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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// Flags: --allow-natives-syntax --crankshaft
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(function() {
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function foo(a, v) {
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a[0] = v & 0xff;
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}
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v >>> 0;
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}
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v | 0;
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}
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, 256);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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foo(a, -1);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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})();
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(function() {
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function foo(a, v) {
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a[0] = v;
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}
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var a = new Uint8ClampedArray(4);
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foo(a, 1);
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foo(a, 2);
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%OptimizeFunctionOnNextCall(foo);
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foo(a, Infinity);
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assertOptimized(foo);
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assertEquals(255, a[0]);
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foo(a, -Infinity);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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foo(a, 0.5);
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assertOptimized(foo);
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assertEquals(0, a[0]);
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foo(a, 1.5);
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assertOptimized(foo);
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assertEquals(2, a[0]);
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})();
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