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/*
* Copyright (c) 2015, 2016, 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
* @bug 8136421
* @requires vm.jvmci
* @library / /test/lib
* @library ../common/patches
* @modules java.base/jdk.internal.misc
* @modules java.base/jdk.internal.org.objectweb.asm
* java.base/jdk.internal.org.objectweb.asm.tree
* jdk.internal.vm.ci/jdk.vm.ci.hotspot
* jdk.internal.vm.ci/jdk.vm.ci.code
* jdk.internal.vm.ci/jdk.vm.ci.meta
* jdk.internal.vm.ci/jdk.vm.ci.runtime
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -Djvmci.Compiler=null
* compiler.jvmci.compilerToVM.FindUniqueConcreteMethodTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import compiler.jvmci.common.testcases.DuplicateSimpleSingleImplementerInterface;
import compiler.jvmci.common.testcases.SimpleSingleImplementerInterface;
import compiler.jvmci.common.testcases.MultipleImplementer1;
import compiler.jvmci.common.testcases.MultipleSuperImplementers;
import compiler.jvmci.common.testcases.SingleImplementer;
import compiler.jvmci.common.testcases.SingleImplementerInterface;
import compiler.jvmci.common.testcases.SingleSubclass;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Set;
public class FindUniqueConcreteMethodTest {
public static void main(String args[]) {
FindUniqueConcreteMethodTest test = new FindUniqueConcreteMethodTest();
try {
for (TestCase tcase : createTestCases()) {
test.runTest(tcase);
}
} catch (NoSuchMethodException e) {
throw new Error("TEST BUG: can't find method", e);
}
}
private static Set<TestCase> createTestCases() {
Set<TestCase> result = new HashSet<>();
// a public method
result.add(new TestCase(true, SingleSubclass.class, "usualMethod"));
// overriden method
result.add(new TestCase(true, SingleSubclass.class, "overridenMethod"));
// private method
result.add(new TestCase(InternalError.class, SingleSubclass.class, "privateMethod"));
// protected method
result.add(new TestCase(true, SingleSubclass.class, "protectedMethod"));
// default(package-private) method
result.add(new TestCase(true, SingleSubclass.class, "defaultAccessMethod"));
// default interface method redefined in implementer
result.add(new TestCase(true, MultipleImplementer1.class, "defaultMethod"));
// interface method
result.add(new TestCase(true, MultipleImplementer1.class, "testMethod"));
// default interface method not redefined in implementer
// result.add(new TestCase(true, SingleImplementer.class,
// SingleImplementerInterface.class, "defaultMethod"));
// static method
result.add(new TestCase(InternalError.class, SingleSubclass.class, "staticMethod"));
// interface method
result.add(new TestCase(false, MultipleSuperImplementers.class,
DuplicateSimpleSingleImplementerInterface.class, "interfaceMethod"));
result.add(new TestCase(false, MultipleSuperImplementers.class,
SimpleSingleImplementerInterface.class, "interfaceMethod"));
return result;
}
private void runTest(TestCase tcase) throws NoSuchMethodException {
System.out.println(tcase);
Method method = tcase.holder.getDeclaredMethod(tcase.methodName);
HotSpotResolvedJavaMethod testMethod = CTVMUtilities.getResolvedMethod(method);
HotSpotResolvedObjectType resolvedType = CompilerToVMHelper
.lookupTypeHelper(Utils.toJVMTypeSignature(tcase.receiver), getClass(),
/* resolve = */ true);
if (tcase.exception != null) {
try {
HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
.findUniqueConcreteMethod(resolvedType, testMethod);
Asserts.fail("Exception " + tcase.exception.getName() + " not thrown for " + tcase.methodName);
} catch (Throwable t) {
Asserts.assertEQ(t.getClass(), tcase.exception, "Wrong exception thrown for " + tcase.methodName);
}
} else {
HotSpotResolvedJavaMethod concreteMethod = CompilerToVMHelper
.findUniqueConcreteMethod(resolvedType, testMethod);
Asserts.assertEQ(concreteMethod, tcase.isPositive ? testMethod : null,
"Unexpected concrete method for " + tcase.methodName);
}
}
private static class TestCase {
public final Class<?> receiver;
public final Class<?> holder;
public final String methodName;
public final boolean isPositive;
public final Class<?> exception;
public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
String methodName, Class<?> exception) {
this.receiver = clazz;
this.methodName = methodName;
this.isPositive = isPositive;
this.holder = holder;
this.exception = exception;
}
public TestCase(boolean isPositive, Class<?> clazz, Class<?> holder,
String methodName) {
this(isPositive, clazz, holder, methodName, null);
}
public TestCase(boolean isPositive, Class<?> clazz, String methodName) {
this(isPositive, clazz, clazz, methodName, null);
}
public TestCase(Class<?> exception, Class<?> clazz, String methodName) {
this(false, clazz, clazz, methodName, exception);
}
@Override
public String toString() {
return String.format("CASE: receiver=%s, holder=%s, method=%s, isPositive=%s, exception=%s",
receiver.getName(), holder.getName(), methodName, isPositive,
exception == null ? "<none>" : exception.getName());
}
}
}
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