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.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 * -Djvmci.Compiler=null
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 }