v8/test/mjsunit/compiler/rest-parameters.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
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}
2019-03-04 12:25:41 +00:00

59 lines
1.3 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
(function Rest0Params() {
function f(x, y) {
return x+y;
}
function test(...rest) {
return [rest, f.apply(null, rest)];
}
%PrepareFunctionForOptimization(test);
assertEquals(test(), [[], NaN]);
assertEquals(test(1), [[1], NaN])
assertEquals(test(1, 2), [[1,2], 3]);
assertEquals(test(1, 2, 3), [[1,2,3], 3]);
%OptimizeFunctionOnNextCall(test);
assertEquals(test(), [[], NaN]);
assertEquals(test(1), [[1], NaN])
assertEquals(test(1, 2), [[1,2], 3]);
assertEquals(test(1, 2, 3), [[1,2,3], 3]);
})();
(function Rest1Params() {
function f(x, y) {
return x+y
}
function test(a, ...rest) {
return [rest, a, f.apply(null, rest)];
}
%PrepareFunctionForOptimization(test);
assertEquals(test(), [[], undefined, NaN]);
assertEquals(test(1), [[], 1, NaN]);
assertEquals(test(1, 2), [[2], 1, NaN]);
assertEquals(test(1, 2, 3), [[2,3], 1, 5]);
assertEquals(test(1, 2, 3, 4), [[2,3,4], 1, 5]);
%OptimizeFunctionOnNextCall(test);
assertEquals(test(), [[], undefined, NaN]);
assertEquals(test(1), [[], 1, NaN]);
assertEquals(test(1, 2), [[2], 1, NaN]);
assertEquals(test(1, 2, 3), [[2,3], 1, 5]);
assertEquals(test(1, 2, 3, 4), [[2,3,4], 1, 5]);
})();