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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 jdk.internal.vm.ci/jdk.vm.ci.hotspot
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -Djvmci.Compiler=null
* compiler.jvmci.compilerToVM.GetClassInitializerTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.testcases.AbstractClass;
import compiler.jvmci.common.testcases.AbstractClassExtender;
import compiler.jvmci.common.testcases.DoNotExtendClass;
import compiler.jvmci.common.testcases.MultipleImplementersInterfaceExtender;
import compiler.jvmci.common.testcases.SingleImplementer;
import compiler.jvmci.common.testcases.SingleImplementerInterface;
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.util.HashSet;
import java.util.Set;
public class GetClassInitializerTest {
public static void main(String args[]) {
GetClassInitializerTest test = new GetClassInitializerTest();
for (TestCase tcase : createTestCases()) {
test.runTest(tcase);
}
}
private static Set<TestCase> createTestCases() {
Set<TestCase> result = new HashSet<>();
// a simple class with initializer
result.add(new TestCase(SingleImplementer.class, true));
// an interface with initializer
result.add(new TestCase(SingleImplementerInterface.class, true));
// an abstract class with initializer
result.add(new TestCase(AbstractClass.class, true));
// a class without initializer, extending class with initializer
result.add(new TestCase(AbstractClassExtender.class, false));
// an interface without initializer
result.add(new TestCase(MultipleImplementersInterfaceExtender.class, false));
// a class without initializer
result.add(new TestCase(DoNotExtendClass.class, false));
return result;
}
private void runTest(TestCase tcase) {
System.out.println(tcase);
String className = tcase.holder.getName();
HotSpotResolvedObjectType resolvedClazz = CompilerToVMHelper
.lookupTypeHelper(Utils.toJVMTypeSignature(tcase.holder),
getClass(), /* resolve = */ true);
HotSpotResolvedJavaMethod initializer = CompilerToVMHelper
.getClassInitializer(resolvedClazz);
if (tcase.isPositive) {
Asserts.assertNotNull(initializer, "Couldn't get initializer for "
+ className);
Asserts.assertEQ(initializer.getName(), "<clinit>",
"Unexpected initializer name for " + className);
} else {
Asserts.assertNull(initializer, "Unexpected: found initializer for "
+ className);
}
}
private static class TestCase {
public final Class<?> holder;
public final boolean isPositive;
public TestCase(Class<?> clazz, boolean isPositive) {
this.holder = clazz;
this.isPositive = isPositive;
}
@Override
public String toString() {
return "CASE: clazz=" + holder.getName()
+ ", isPositive=" + isPositive;
}
}
}
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