1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8136421 27 * @requires vm.jvmci 28 * @library / /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 34 * compiler.jvmci.compilerToVM.LookupTypeTest 35 */ 36 37 package compiler.jvmci.compilerToVM; 38 39 import compiler.jvmci.common.testcases.DoNotExtendClass; 40 import compiler.jvmci.common.testcases.MultiSubclassedClass; 41 import compiler.jvmci.common.testcases.SingleSubclass; 42 import jdk.test.lib.Asserts; 43 import jdk.test.lib.Utils; 44 import jdk.vm.ci.hotspot.CompilerToVMHelper; 45 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 46 47 import java.util.HashSet; 48 import java.util.Set; 49 50 public class LookupTypeTest { 51 public static void main(String args[]) { 52 LookupTypeTest test = new LookupTypeTest(); 53 for (TestCase tcase : createTestCases()) { 54 test.runTest(tcase); 55 } 56 } 57 58 private static Set<TestCase> createTestCases() { 59 Set<TestCase> result = new HashSet<>(); 60 // a primitive class 61 result.add(new TestCase(Utils.toJVMTypeSignature(int.class), 62 LookupTypeTest.class, true, false, InternalError.class)); 63 // lookup not existing class 64 result.add(new TestCase("Lsome_not_existing;", LookupTypeTest.class, 65 true, false, ClassNotFoundException.class)); 66 // lookup invalid classname 67 result.add(new TestCase("L!@#$%^&**()[]{}?;", LookupTypeTest.class, 68 true, false, ClassNotFoundException.class)); 69 // lookup package private class 70 result.add(new TestCase( 71 "Lcompiler/jvmci/compilerToVM/testcases/PackagePrivateClass;", 72 LookupTypeTest.class, true, false, 73 ClassNotFoundException.class)); 74 // lookup usual class with resolve=true 75 result.add(new TestCase(Utils.toJVMTypeSignature(SingleSubclass.class), 76 LookupTypeTest.class, true, true)); 77 // lookup usual class with resolve=false 78 result.add(new TestCase( 79 Utils.toJVMTypeSignature(DoNotExtendClass.class), 80 LookupTypeTest.class, false, true)); 81 // lookup usual class with null accessor 82 result.add(new TestCase( 83 Utils.toJVMTypeSignature(MultiSubclassedClass.class), null, 84 false, false, NullPointerException.class)); 85 return result; 86 } 87 88 private void runTest(TestCase tcase) { 89 System.out.println(tcase); 90 HotSpotResolvedObjectType metaspaceKlass; 91 try { 92 metaspaceKlass = CompilerToVMHelper.lookupType(tcase.className, 93 tcase.accessing, tcase.resolve); 94 } catch (Throwable t) { 95 Asserts.assertNotNull(tcase.expectedException, 96 "Assumed no exception, but got " + t); 97 Asserts.assertFalse(tcase.isPositive, 98 "Got unexpected exception " + t); 99 Asserts.assertEQ(t.getClass(), tcase.expectedException, 100 "Unexpected exception"); 101 // passed 102 return; 103 } 104 if (tcase.expectedException != null) { 105 throw new AssertionError("Expected exception was not thrown: " 106 + tcase.expectedException.getName()); 107 } 108 if (tcase.isPositive) { 109 Asserts.assertNotNull(metaspaceKlass, 110 "Unexpected null metaspace klass"); 111 Asserts.assertEQ(metaspaceKlass.getName(), tcase.className, 112 "Got unexpected resolved class name"); 113 } else { 114 Asserts.assertNull(metaspaceKlass, "Unexpected metaspace klass"); 115 } 116 } 117 118 private static class TestCase { 119 public final String className; 120 public final Class<?> accessing; 121 public final boolean resolve; 122 public final boolean isPositive; 123 public final Class<? extends Throwable> expectedException; 124 125 public TestCase(String className, Class<?> accessing, boolean resolve, 126 boolean isPositive, 127 Class<? extends Throwable> expectedException) { 128 this.className = className; 129 this.accessing = accessing; 130 this.resolve = resolve; 131 this.isPositive = isPositive; 132 this.expectedException = expectedException; 133 } 134 135 public TestCase(String className, Class<?> accessing, boolean resolve, 136 boolean isPositive) { 137 this.className = className; 138 this.accessing = accessing; 139 this.resolve = resolve; 140 this.isPositive = isPositive; 141 this.expectedException = null; 142 } 143 144 @Override 145 public String toString() { 146 return String.format("CASE: class=%s, accessing=%s," 147 + " resolve=%s, positive=%s, expectedException=%s", className, 148 accessing, resolve, isPositive, expectedException); 149 } 150 } 151 }