JDK-8067215.js revision 1571:fd97b9047199 
1/*
2 * Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * JDK-8067215: Disable dual fields when not using optimistic types
26 *
27 * @test
28 * @run
29 * @option -Dnashorn.debug=true
30 * @fork
31 */
32
33var intType    = Java.type("int");
34var doubleType = Java.type("double");
35var objectType = Java.type("java.lang.Object");
36
37var Context = Java.type("jdk.nashorn.internal.runtime.Context");
38var JSType  = Java.type("jdk.nashorn.internal.runtime.JSType");
39
40var context = Context.getContext();
41var dualFields = context.useDualFields();
42var optimisticTypes = context.getEnv()._optimistic_types;
43
44if (dualFields != optimisticTypes) {
45    throw new Error("Wrong dual fields setting");
46}
47
48function testMap(obj) {
49    obj.x = "foo";
50    obj["y"] = 0;
51    Object.defineProperty(obj, "z", {value: 0.5});
52    var map = Debug.map(obj);
53    for (var key in obj) {
54        var prop = map.findProperty(key);
55        if (prop.hasDualFields() !== dualFields) {
56            throw new Error("Wrong property flags: " + prop);
57        }
58        if (prop.getType() != getExpectedType(obj[key])) {
59            throw new Error("Wrong property type: " + prop.getType() + " // " + getExpectedType(obj[key]));
60        }
61    }
62}
63
64function getExpectedType(value) {
65    if (!dualFields) {
66        return objectType.class;
67    }
68    if (typeof value === "number") {
69        return JSType.isRepresentableAsInt(value) ? intType.class : doubleType.class;
70    }
71    return objectType.class;
72}
73
74var o = {
75    a: 1,
76    b: 2.5,
77    c: 0x10000000000,
78    d: true
79};
80
81function C() {
82    this.a = 1;
83    this.b = 2.5;
84    this.c = 0x10000000000;
85    this.d = true;
86}
87
88var a = 1;
89var b = 2.5;
90var c = 0x10000000000;
91var d = true;
92
93testMap(o);
94testMap(new C());
95testMap(JSON.parse('{ "a": 1, "b": 2.5, "c": 1099511627776, "d": true }'));
96testMap(this);
97