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/*
* Copyright (c) 2008, 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.
*/
/*
* @test
* @summary Tests <method> element
* @author Sergey Malenkov
*/
import java.beans.XMLDecoder;
public final class TestMethod extends AbstractTest {
public static final String XML
= "<java>\n"
+ " <new class=\"TestMethod$A\">\n"
+ " <method name=\"m\">\n"
+ " <new class=\"TestMethod$Y\"/>\n"
+ " <new class=\"TestMethod$Y\"/>\n"
+ " </method>\n"
+ " </new>\n"
+ " <new class=\"TestMethod$B\">\n"
+ " <method name=\"m\">\n"
+ " <new class=\"TestMethod$Y\"/>\n"
+ " <new class=\"TestMethod$Y\"/>\n"
+ " </method>\n"
+ " </new>\n"
+ " <new class=\"TestMethod$C\">\n"
+ " <method name=\"m\">\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " </method>\n"
+ " </new>\n"
+ " <new class=\"TestMethod$D\">\n"
+ " <method name=\"m\">\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " </method>\n"
+ " </new>\n"
+ " <new class=\"TestMethod$E\">\n"
+ " <method name=\"m\">\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " <new class=\"TestMethod$Z\"/>\n"
+ " </method>\n"
+ " </new>\n"
+ "</java>";
public static void main(String[] args) {
new TestMethod().test(true);
}
private NoSuchMethodException exception;
@Override
public void exceptionThrown(Exception exception) {
if (this.exception != null) {
// only one exception allowed
super.exceptionThrown(exception);
} else if (exception instanceof NoSuchMethodException) {
// expected exception: ambiguous methods are found
this.exception = (NoSuchMethodException) exception;
} else {
super.exceptionThrown(exception);
}
}
@Override
protected void validate(XMLDecoder decoder) {
this.exception = null;
validate(decoder, A.class);
validate(decoder, B.class);
validate(decoder, C.class);
validate(decoder, D.class);
validate(decoder, E.class);
if (this.exception == null) {
throw new Error("NoSuchMethodException expected");
}
}
private static void validate(XMLDecoder decoder, Class type) {
if (!type.equals(decoder.readObject().getClass())) {
throw new Error("unexpected class");
}
}
/**
* All ambiguous method declarations should fail.
*/
public static class A {
public void m(X x1, X x2) {
throw new Error("A.m(X,X) should not be called");
}
public void m(X x1, Y y2) {
throw new Error("A.m(X,Y) should not be called");
}
public void m(Y y1, X x2) {
throw new Error("A.m(Y,X) should not be called");
}
}
/**
* The most specific method in this case would be the second declaration.
*/
public static class B {
public void m(X x1, X x2) {
throw new Error("B.m(X,X) should not be called");
}
public void m(X x1, Y y2) {
// expected: B.m(X,Y) should be called
}
}
/**
* The most specific method in this case would be the first declaration.
*/
public static class C {
public void m(Y y1, Y y2) {
// expected: C.m(Y,Y) should be called
}
public void m(X x1, X x2) {
throw new Error("C.m(X,X) should not be called");
}
}
/**
* Same as the previous case but flip methods.
*/
public static class D {
public void m(X x1, X x2) {
throw new Error("D.m(X,X) should not be called");
}
public void m(Y y1, Y y2) {
// expected: D.m(Y,Y) should be called
}
}
/**
* The method should be called with (Z,Z).
*/
public static class E {
public void m(X x1, X x2) {
// expected: E.m(X,X) should be called
}
}
public static class X {
}
public static class Y extends X {
}
public static class Z extends Y {
}
}
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