test/script/basic/JDK-8027042.js

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * JDK-8027042: Evaluation order for binary operators can be improved
 *
 * @test
 * @run
 * @fork
 */

// var with getter side effect
Object.defineProperty(this, "a1", { get: function() {print("get a"); return 1; }});

// var with both getter and conversion side effect
Object.defineProperty(this, "b1", { get: function() {print("get b"); return {valueOf: function() { print("conv b"); return 10; }}; }});

(function() {
    // var with toPrimitive conversion side effect
    var c1 = {valueOf: function() { print("conv c"); return 100; }};
    print("start");
    print(b1 + (c1 + a1));
    print("done with first");
    print(b1 + (c1 + b1));
    print(b1 + (a1 + b1));
    print(b1 + (b1 + c1));
    print(b1 + (b1 + c1));
    print(b1 + (c1 + (a1 - b1)));
    print(b1 + (c1 + (c1 - b1)));
    print(b1 + (c1 + (b1 - c1)));
    print(b1 + (b1 + (a1 ? 2 : 3)));
    print(b1 + (b1 + (b1 ? 2 : 3)));
    print(b1 + (b1 + (c1 ? 2 : 3)));
    print(b1 + ((-c1) + (-a1)));
    print(b1 + ((-c1) + (-b1)));
    print(b1 + ((-c1) + (-c1)));
    try { print(b1 + new a1); } catch (e) {}
    try { print(b1 + new b1); } catch (e) {}
    try { print(b1 + new c1); } catch (e) {}
})();