| /* |
| * Copyright (c) 2015, 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-8072426: Can't compare Java objects to strings or numbers |
| * |
| * @test |
| * @run |
| */ |
| |
| Assert.assertTrue(java.math.RoundingMode.UP == "UP"); |
| |
| var JSObject = Java.type("jdk.nashorn.api.scripting.JSObject"); |
| |
| // Adds an "isFunction" member to the JSObject that returns the specified value |
| function addIsFunction(isFunction, obj) { |
| obj.isFunction = function() { |
| return isFunction; |
| }; |
| return obj; |
| } |
| |
| function makeJSObjectConstantFunction(value) { |
| return new JSObject(addIsFunction(true, { |
| call: function() { |
| return value; |
| } |
| })); |
| } |
| |
| function makeJSObjectWithMembers(mapping) { |
| return new JSObject({ |
| getMember: function(name) { |
| Assert.assertTrue(mapping.hasOwnProperty(name)); |
| return mapping[name]; |
| }, |
| toNumber: function() { |
| // toNumber no longer invoked |
| Assert.fail(); |
| } |
| }); |
| } |
| |
| // Test JSObjectLinker toInt32/toLong/toNumber |
| function testNumericJSObject(kind, value) { |
| var obj = makeJSObjectWithMembers({ |
| valueOf: makeJSObjectConstantFunction(value) |
| }); |
| |
| if (kind === "double") { |
| // There's no assertEquals(double actual, double expected). There's only |
| // assertEquals(double actual, double expected, double delta). |
| Assert["assertEquals(double,double,double)"](value, obj, 0); |
| } else { |
| Assert["assertEquals(" + kind + ", " + kind + ")"](value, obj); |
| } |
| Assert.assertTrue(value == Number(obj)); |
| } |
| testNumericJSObject("int", 42); |
| testNumericJSObject("long", 4294967296); |
| testNumericJSObject("double", 1.2); |
| |
| // Test fallback from toNumber to toString for numeric conversion when toNumber doesn't exist |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| valueOf: null, // Explicitly no valueOf |
| toString: makeJSObjectConstantFunction("123") |
| }); |
| Assert["assertEquals(int,int)"](123, obj); |
| })(); |
| |
| // Test fallback from toNumber to toString for numeric conversion when toNumber isn't a callable |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| valueOf: new JSObject(addIsFunction(false, {})), |
| toString: makeJSObjectConstantFunction("124") |
| }); |
| Assert["assertEquals(int,int)"](124, obj); |
| })(); |
| |
| // Test fallback from toNumber to toString for numeric conversion when toNumber returns a non-primitive |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| valueOf: makeJSObjectConstantFunction({}), |
| toString: makeJSObjectConstantFunction("125") |
| }); |
| Assert["assertEquals(int,int)"](125, obj); |
| })(); |
| |
| // Test TypeError from toNumber to toString when both return a non-primitive |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| valueOf: makeJSObjectConstantFunction({}), |
| toString: makeJSObjectConstantFunction({}) |
| }); |
| try { |
| Number(obj); |
| Assert.fail(); // must throw |
| } catch(e) { |
| Assert.assertTrue(e instanceof TypeError); |
| } |
| })(); |
| |
| // Test toString for string conversion |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| toString: makeJSObjectConstantFunction("Hello") |
| }); |
| Assert.assertTrue("Hello" === String(obj)); |
| Assert["assertEquals(String,String)"]("Hello", obj); |
| })(); |
| |
| // Test fallback from toString to valueOf for string conversion when toString doesn't exist |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| toString: null, |
| valueOf: makeJSObjectConstantFunction("Hello1") |
| }); |
| Assert.assertTrue("Hello1" === String(obj)); |
| Assert["assertEquals(String,String)"]("Hello1", obj); |
| })(); |
| |
| // Test fallback from toString to valueOf for string conversion when toString is not callable |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| toString: new JSObject(addIsFunction(false, {})), |
| valueOf: makeJSObjectConstantFunction("Hello2") |
| }); |
| Assert["assertEquals(String,String)"]("Hello2", obj); |
| })(); |
| |
| // Test fallback from toString to valueOf for string conversion when toString returns non-primitive |
| (function() { |
| var obj = makeJSObjectWithMembers({ |
| toString: makeJSObjectConstantFunction({}), |
| valueOf: makeJSObjectConstantFunction("Hello3") |
| }); |
| Assert["assertEquals(String,String)"]("Hello3", obj); |
| })(); |
| |
| // Test toBoolean for JSObject |
| (function() { |
| Assert["assertEquals(boolean,boolean)"](true, new JSObject({})); |
| })(); |