/*
* Copyright (c) 2010, 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.
*
*/
package com.github.dcevm.test.methods;
import org.junit.Before;
import org.junit.Test;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
import static org.junit.Assert.assertEquals;
/**
* Tests for replacing static methods in interfaces.
*
* @author Ivan Dubrov
*/
public class InterfaceMethodsTest {
@Before
public void setUp() throws Exception {
__toVersion__(0);
}
// Version 0
public static interface A {
public static int staticMethod() {
return 1;
}
}
// Version 1
public static interface A___1 {
public static int staticMethod() {
return 2;
}
}
@Test
public void testStaticInterfaceMethods() throws Throwable {
assert __version__() == 0;
MethodHandle handle =
MethodHandles.publicLookup().findStatic(A.class, "staticMethod", MethodType.methodType(int.class));
assertEquals(1, A.staticMethod());
assertEquals(1, handle.invoke());
__toVersion__(1);
assertEquals(2, A.staticMethod());
assertEquals(2, handle.invoke());
__toVersion__(0);
}
}