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 }