1 /* 2 * Copyright (c) 2015, 2019, 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.access 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 * -XX:-UseJVMCICompiler 35 * compiler.jvmci.compilerToVM.LookupTypeTest 36 */ 37 38 package compiler.jvmci.compilerToVM; 39 40 import compiler.jvmci.common.testcases.DoNotExtendClass; 41 import compiler.jvmci.common.testcases.MultiSubclassedClass; 42 import compiler.jvmci.common.testcases.SingleSubclass; 43 import jdk.test.lib.Asserts; 44 import jdk.test.lib.Utils; 45 import jdk.vm.ci.hotspot.CompilerToVMHelper; 46 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; 47 48 import java.util.HashSet; 49 import java.util.Set; 50 51 public class LookupTypeTest { 52 public static void main(String args[]) { 53 LookupTypeTest test = new LookupTypeTest(); 54 for (TestCase tcase : createTestCases()) { 55 test.runTest(tcase); 56 } 57 } 58 59 private static Set<TestCase> createTestCases() { 60 Set<TestCase> result = new HashSet<>(); 61 // a primitive class 62 result.add(new TestCase(Utils.toJVMTypeSignature(int.class), 63 LookupTypeTest.class, true, false, InternalError.class)); 64 // lookup not existing class 65 result.add(new TestCase("Lsome_not_existing;", LookupTypeTest.class, 66 true, false, ClassNotFoundException.class)); 67 // lookup invalid classname 68 result.add(new TestCase("L!@#$%^&**()[]{}?;", LookupTypeTest.class, 69 true, false, ClassNotFoundException.class)); 70 // lookup package private class 71 result.add(new TestCase( 72 "Lcompiler/jvmci/compilerToVM/testcases/PackagePrivateClass;", 73 LookupTypeTest.class, true, false, 74 ClassNotFoundException.class)); 75 // lookup usual class with resolve=true 76 result.add(new TestCase(Utils.toJVMTypeSignature(SingleSubclass.class), 77 LookupTypeTest.class, true, true)); 78 // lookup usual class with resolve=false 79 result.add(new TestCase( 80 Utils.toJVMTypeSignature(DoNotExtendClass.class), 81 LookupTypeTest.class, false, true)); 82 // lookup usual class with null accessor 83 result.add(new TestCase( 84 Utils.toJVMTypeSignature(MultiSubclassedClass.class), null, 85 false, false, NullPointerException.class)); 86 return result; 87 } 88 89 private void runTest(TestCase tcase) { 90 System.out.println(tcase); 91 HotSpotResolvedObjectType metaspaceKlass; 92 try { 93 metaspaceKlass = CompilerToVMHelper.lookupType(tcase.className, 94 tcase.accessing, tcase.resolve); 95 } catch (Throwable t) { 96 Asserts.assertNotNull(tcase.expectedException, 97 "Assumed no exception, but got " + t); 98 Asserts.assertFalse(tcase.isPositive, 99 "Got unexpected exception " + t); 100 Asserts.assertEQ(t.getClass(), tcase.expectedException, 101 "Unexpected exception"); 102 // passed 103 return; 104 } 105 if (tcase.expectedException != null) { 106 throw new AssertionError("Expected exception was not thrown: " 107 + tcase.expectedException.getName()); 108 } 109 if (tcase.isPositive) { 110 Asserts.assertNotNull(metaspaceKlass, 111 "Unexpected null metaspace klass"); 112 Asserts.assertEQ(metaspaceKlass.getName(), tcase.className, 113 "Got unexpected resolved class name"); 114 } else { 115 Asserts.assertNull(metaspaceKlass, "Unexpected metaspace klass"); 116 } 117 } 118 119 private static class TestCase { 120 public final String className; 121 public final Class<?> accessing; 122 public final boolean resolve; 123 public final boolean isPositive; 124 public final Class<? extends Throwable> expectedException; 125 126 public TestCase(String className, Class<?> accessing, boolean resolve, 127 boolean isPositive, 128 Class<? extends Throwable> expectedException) { 129 this.className = className; 130 this.accessing = accessing; 131 this.resolve = resolve; 132 this.isPositive = isPositive; 133 this.expectedException = expectedException; 134 } 135 136 public TestCase(String className, Class<?> accessing, boolean resolve, 137 boolean isPositive) { 138 this.className = className; 139 this.accessing = accessing; 140 this.resolve = resolve; 141 this.isPositive = isPositive; 142 this.expectedException = null; 143 } 144 145 @Override 146 public String toString() { 147 return String.format("CASE: class=%s, accessing=%s," 148 + " resolve=%s, positive=%s, expectedException=%s", className, 149 accessing, resolve, isPositive, expectedException); 150 } 151 } 152 }