v8/test/mjsunit/regress/regress-osr-in-literal.js

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// Copyright 2015 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 --harmony-do-expressions
"use strict";
var p = {};
var testCases = [
{ s:"[1, do { _OSR_ 2 }, 3]", r:[1, 2, 3] },
{ s:"[1, ...[2], do { _OSR_ 3 }, 4]", r:[1, 2, 3, 4] },
{ s:"[1, ...do { _OSR_ [2,3] }, 4]", r:[1, 2, 3, 4] },
{ s:"{ a:do { _OSR_ 1 } }", r:{ a:1 } },
{ s:"{ a:do { _OSR_ 2 }, __proto__:p }", r:{ a:2, __proto__:p } },
{ s:"{ a:do { _OSR_ 3 }, get b() { return 4; } }", r:{ a:3, b:4 } },
{ s:"{ [do { _OSR_ 'b' }]: 3 }", r:{ b:3 } },
{ s:"{ [do { _OSR_ 'b' }]: 3, c: 4 }", r:{ b:3, c:4 } },
{ s:"{ [do { _OSR_ 'b' }]: 3, __proto__:p }", r:{ b:3, __proto__:p } },
{ s:"{ get [do { _OSR_ 'c' }]() { return 4; } }", r:{ c:4 } },
{ s:"class { [do { _OSR_ 'f' }]() {} }" },
{ s:"class { [do { _OSR_ 'f' }]() {}; g() {} }" },
];
for (var i = 0; i < testCases.length; ++i) {
var source = "(function f" + i + "(x) { return " + testCases[i].s + "})";
var osr = "for (var i = 0; i < 10; i++) { if (i == 5) %OptimizeOsr(); }";
var result = eval(source.replace("_OSR_", osr))();
if (testCases[i].r) assertEquals(testCases[i].r, result);
}