31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
86 lines
2.7 KiB
JavaScript
86 lines
2.7 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
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function tests() {
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"use strict"
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function countArgs() { return arguments.length; }
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// Array params
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assertEquals(3, countArgs(...[1, 2, 3])); // Smi
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assertEquals(4, countArgs(...[1, 2, , 3])); // HoleySmi
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assertEquals(3, countArgs(...[1.1, 2, 3])); // Double
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assertEquals(4, countArgs(...[1.1, 2, , 3])); // HoleyDouble
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assertEquals(3, countArgs(...[{valueOf: () => 0}, 1.1, '2'])); // Object
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assertEquals(
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4, countArgs(...[{valueOf: () => 0}, 1.1, , '2'])); // HoleyObject
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// Smi param
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assertThrows(() => countArgs(...1), TypeError);
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// Object param
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assertThrows(() => countArgs(...{0: 0}), TypeError);
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// Strict arguments
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assertEquals(0, countArgs(...arguments));
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}
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%PrepareFunctionForOptimization(tests);
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tests();
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tests();
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%OptimizeFunctionOnNextCall(tests);
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tests();
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function testRest(...args) {
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function countArgs() { return arguments.length; }
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assertEquals(3, countArgs(...args));
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assertEquals(4, countArgs(1, ...args));
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assertEquals(5, countArgs(1, 2, ...args));
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}
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%PrepareFunctionForOptimization(testRest);
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testRest(1, 2, 3);
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testRest(1, 2, 3);
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%OptimizeFunctionOnNextCall(testRest);
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testRest(1, 2, 3);
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function testRestAndArgs(a, b, ...args) {
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function countArgs() { return arguments.length; }
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assertEquals(1, countArgs(...args));
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assertEquals(2, countArgs(b, ...args));
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assertEquals(3, countArgs(a, b, ...args));
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assertEquals(4, countArgs(1, a, b, ...args));
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assertEquals(5, countArgs(1, 2, a, b, ...args));
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}
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%PrepareFunctionForOptimization(testRestAndArgs);
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testRestAndArgs(1, 2, 3);
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testRestAndArgs(1, 2, 3);
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%OptimizeFunctionOnNextCall(testRestAndArgs);
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testRestAndArgs(1, 2, 3);
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function testArgumentsStrict() {
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"use strict"
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function countArgs() { return arguments.length; }
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assertEquals(3, countArgs(...arguments));
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assertEquals(4, countArgs(1, ...arguments));
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assertEquals(5, countArgs(1, 2, ...arguments));
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}
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%PrepareFunctionForOptimization(testArgumentsStrict);
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testArgumentsStrict(1, 2, 3);
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testArgumentsStrict(1, 2, 3);
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%OptimizeFunctionOnNextCall(testArgumentsStrict);
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testArgumentsStrict(1, 2, 3);
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function testArgumentsSloppy() {
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function countArgs() { return arguments.length; }
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assertEquals(3, countArgs(...arguments));
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assertEquals(4, countArgs(1, ...arguments));
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assertEquals(5, countArgs(1, 2, ...arguments));
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}
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%PrepareFunctionForOptimization(testArgumentsSloppy);
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testArgumentsSloppy(1, 2, 3);
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testArgumentsSloppy(1, 2, 3);
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%OptimizeFunctionOnNextCall(testArgumentsSloppy);
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testArgumentsSloppy(1, 2, 3);
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