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/*
* 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({}));
})();
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