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test/compiler/jvmci/compilerToVM/HasFinalizableSubclassTest.java

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  28  * @library / /testlibrary /../../test/lib
  29  * @compile ../common/CompilerToVMHelper.java
  30  * @build compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
  31  * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
  33  *     -XX:+EnableJVMCI compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
  34  */
  35 
  36 package compiler.jvmci.compilerToVM;
  37 
  38 import compiler.jvmci.common.testcases.AbstractClass;
  39 import compiler.jvmci.common.testcases.AbstractClassExtender;
  40 import compiler.jvmci.common.testcases.DoNotImplementInterface;
  41 import compiler.jvmci.common.testcases.MultipleImplementer1;
  42 import compiler.jvmci.common.testcases.MultipleImplementersInterface;
  43 import compiler.jvmci.common.testcases.SingleImplementerInterface;
  44 import java.util.HashSet;
  45 import java.util.Set;
  46 import java.util.stream.Stream;
  47 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  48 import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl;
  49 import jdk.test.lib.Asserts;
  50 import jdk.test.lib.Utils;
  51 
  52 public class HasFinalizableSubclassTest {
  53     public static void main(String args[]) {
  54         HasFinalizableSubclassTest test = new HasFinalizableSubclassTest();
  55         for (TestCase tcase : createTestCases()) {
  56             test.runTest(tcase);
  57         }
  58     }
  59 
  60     private static Set<TestCase> createTestCases() {
  61         Stream.of(
  62                     AbstractClassExtender.class,
  63                     SingleImplementerInterface.class,
  64                     MultipleImplementersInterface.class,
  65                     MultipleImplementer1.class,
  66                     DoNotImplementInterface.class)
  67                 .forEach(Utils::ensureClassIsLoaded);
  68         Set<TestCase> result = new HashSet<>();
  69         // iface with finalize method
  70         result.add(new TestCase(SingleImplementerInterface.class, false));
  71         // iface with default finalize method
  72         result.add(new TestCase(MultipleImplementersInterface.class, false));
  73         // class which implements iface w/ default finalize method
  74         result.add(new TestCase(MultipleImplementer1.class, true));
  75         // abstract class with finalizeable subclass
  76         result.add(new TestCase(AbstractClass.class, true));
  77         // non-implemented iface
  78         result.add(new TestCase(DoNotImplementInterface.class, false));
  79         return result;
  80     }
  81 
  82     private void runTest(TestCase tcase) {
  83         System.out.println(tcase);
  84         HotSpotResolvedObjectTypeImpl metaspaceKlass = CompilerToVMHelper
  85                 .lookupType(Utils.toJVMTypeSignature(tcase.aClass),
  86                         getClass(), /* resolve = */ true);
  87         Asserts.assertEQ(tcase.expected,
  88                 CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass),
  89                         "Unexpected finalizableSubclass state for "
  90                                 + tcase.aClass.getName());
  91     }
  92 
  93     private static class TestCase {
  94         public final Class<?> aClass;
  95         public final boolean expected;
  96 
  97         public TestCase(Class<?> clazz, boolean expected) {
  98             this.aClass = clazz;
  99             this.expected = expected;
 100         }
 101         @Override
 102         public String toString() {
 103             return "CASE: class= " + aClass.getName() + ", expected=" + expected;
 104         }


  28  * @library / /testlibrary /../../test/lib
  29  * @compile ../common/CompilerToVMHelper.java
  30  * @build compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
  31  * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
  33  *     -XX:+EnableJVMCI compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
  34  */
  35 
  36 package compiler.jvmci.compilerToVM;
  37 
  38 import compiler.jvmci.common.testcases.AbstractClass;
  39 import compiler.jvmci.common.testcases.AbstractClassExtender;
  40 import compiler.jvmci.common.testcases.DoNotImplementInterface;
  41 import compiler.jvmci.common.testcases.MultipleImplementer1;
  42 import compiler.jvmci.common.testcases.MultipleImplementersInterface;
  43 import compiler.jvmci.common.testcases.SingleImplementerInterface;
  44 import java.util.HashSet;
  45 import java.util.Set;
  46 import java.util.stream.Stream;
  47 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  48 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  49 import jdk.test.lib.Asserts;
  50 import jdk.test.lib.Utils;
  51 
  52 public class HasFinalizableSubclassTest {
  53     public static void main(String args[]) {
  54         HasFinalizableSubclassTest test = new HasFinalizableSubclassTest();
  55         for (TestCase tcase : createTestCases()) {
  56             test.runTest(tcase);
  57         }
  58     }
  59 
  60     private static Set<TestCase> createTestCases() {
  61         Stream.of(
  62                     AbstractClassExtender.class,
  63                     SingleImplementerInterface.class,
  64                     MultipleImplementersInterface.class,
  65                     MultipleImplementer1.class,
  66                     DoNotImplementInterface.class)
  67                 .forEach(Utils::ensureClassIsLoaded);
  68         Set<TestCase> result = new HashSet<>();
  69         // iface with finalize method
  70         result.add(new TestCase(SingleImplementerInterface.class, false));
  71         // iface with default finalize method
  72         result.add(new TestCase(MultipleImplementersInterface.class, false));
  73         // class which implements iface w/ default finalize method
  74         result.add(new TestCase(MultipleImplementer1.class, true));
  75         // abstract class with finalizeable subclass
  76         result.add(new TestCase(AbstractClass.class, true));
  77         // non-implemented iface
  78         result.add(new TestCase(DoNotImplementInterface.class, false));
  79         return result;
  80     }
  81 
  82     private void runTest(TestCase tcase) {
  83         System.out.println(tcase);
  84         HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper
  85                 .lookupType(Utils.toJVMTypeSignature(tcase.aClass),
  86                         getClass(), /* resolve = */ true);
  87         Asserts.assertEQ(tcase.expected,
  88                 CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass),
  89                         "Unexpected finalizableSubclass state for "
  90                                 + tcase.aClass.getName());
  91     }
  92 
  93     private static class TestCase {
  94         public final Class<?> aClass;
  95         public final boolean expected;
  96 
  97         public TestCase(Class<?> clazz, boolean expected) {
  98             this.aClass = clazz;
  99             this.expected = expected;
 100         }
 101         @Override
 102         public String toString() {
 103             return "CASE: class= " + aClass.getName() + ", expected=" + expected;
 104         }
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