1 /*
2 * Copyright (c) 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 8152343
27 * @bug 8161068
28 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
29 * @library /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src
30 * @modules jdk.vm.ci/jdk.vm.ci.meta
31 * jdk.vm.ci/jdk.vm.ci.runtime
32 * jdk.vm.ci/jdk.vm.ci.hotspot
33 * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
34 * jdk.vm.ci.hotspot.test.MethodHandleAccessProviderTest
35 */
36
37 package jdk.vm.ci.hotspot.test;
38
39 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
40 import jdk.vm.ci.meta.JavaConstant;
41 import jdk.vm.ci.meta.MetaAccessProvider;
42 import jdk.vm.ci.meta.MethodHandleAccessProvider;
43 import jdk.vm.ci.meta.MethodHandleAccessProvider.IntrinsicMethod;
44 import jdk.vm.ci.meta.ResolvedJavaMethod;
45 import jdk.vm.ci.runtime.JVMCI;
46 import org.testng.Assert;
47 import org.testng.annotations.Test;
48
49 import java.lang.invoke.MethodHandle;
50 import java.lang.invoke.MethodHandles;
51 import java.lang.reflect.Method;
52
53 public class MethodHandleAccessProviderTest {
54 private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection();
55 private static final MethodHandleAccessProvider PROVIDER = CONSTANT_REFLECTION.getMethodHandleAccess();
56 private static final MetaAccessProvider META_ACCESS = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
57
58 @Test(dataProvider = "intrinsicsPositive", dataProviderClass = MethodHandleAccessProviderData.class)
59 public void testLookupMethodHandleIntrinsic(ResolvedJavaMethod mtd, IntrinsicMethod expected) {
60 Assert.assertEquals(expected, PROVIDER.lookupMethodHandleIntrinsic(mtd), "Unexpected intrinsic returned for " + mtd);
61 }
62
63 @Test(dataProvider = "intrinsicsNegative", dataProviderClass = MethodHandleAccessProviderData.class)
64 public void testLookupMethodHandleIntrinsicNegative(ResolvedJavaMethod mtd) {
65 Assert.assertNull(PROVIDER.lookupMethodHandleIntrinsic(mtd), "Expected null return for " + mtd);
66 }
67
68 @Test(expectedExceptions = {NullPointerException.class})
69 public void testLookupMethodHandleIntrinsicNull() {
70 PROVIDER.lookupMethodHandleIntrinsic(null);
71 }
72
73 @Test(dataProvider = "invokeBasicPositive", dataProviderClass = MethodHandleAccessProviderData.class)
74 public void testResolveInvokeBasicTarget(JavaConstant javaConstantMethodHandle, boolean force, String expected) {
75 ResolvedJavaMethod mtd = PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force);
76 Assert.assertTrue(mtd.getName().startsWith(expected), "Unexpected method resolved: " + mtd);
77 }
78
79 @Test(dataProvider = "invokeBasicNegative1", dataProviderClass = MethodHandleAccessProviderData.class)
80 public void testResolveInvokeBasicTargetNegative1(JavaConstant javaConstantMethodHandle, boolean force) {
81 Assert.assertNull(PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force),
82 "Expected null return for " + javaConstantMethodHandle + " with force=" + force);
83 }
84
85 @Test(dataProvider = "invokeBasicNegative2", dataProviderClass = MethodHandleAccessProviderData.class, expectedExceptions = {NullPointerException.class})
86 public void testResolveInvokeBasicTargetNegative2(JavaConstant javaConstantMethodHandle, boolean force) {
87 PROVIDER.resolveInvokeBasicTarget(javaConstantMethodHandle, force);
88 }
89
90 @Test
91 public void testResolveLinkToTarget() {
92 Method self;
93 try {
94 self = getClass().getDeclaredMethod("testResolveLinkToTarget");
95 } catch (NoSuchMethodException e) {
96 throw new Error("TESTBUG: can't find method: " + e, e);
97 }
98 MethodHandle mh;
99 try {
100 mh = MethodHandles.lookup().unreflect(self);
101 } catch (IllegalAccessException e) {
102 throw new Error("TESTBUG: can't get MHandle: " + e, e);
103 }
104 Method internalMemberNameMethod;
105 try {
106 internalMemberNameMethod = mh.getClass().getDeclaredMethod("internalMemberName");
107 } catch (NoSuchMethodException e) {
108 throw new Error("TESTBUG: can't find method: " + e, e);
109 }
110 internalMemberNameMethod.setAccessible(true);
111 Object memberName;
112 try {
113 memberName = internalMemberNameMethod.invoke(mh);
114 } catch (ReflectiveOperationException e) {
115 throw new Error("TESTBUG: can't invoke internalMemberName method", e);
116 }
117 JavaConstant jcMemberName = CONSTANT_REFLECTION.forObject(memberName);
118 ResolvedJavaMethod mtd = PROVIDER.resolveLinkToTarget(jcMemberName);
119 Assert.assertEquals(mtd, META_ACCESS.lookupJavaMethod(self), "Got unexpected method: " + mtd);
120 }
121
122 @Test(expectedExceptions = {NullPointerException.class})
123 public void testResolveLinkToTargetNegativeNull() {
124 PROVIDER.resolveLinkToTarget(null);
125 }
126
127 @Test
128 public void testResolveLinkToTargetNegativeNullConstant() {
129 Assert.assertNull(PROVIDER.resolveLinkToTarget(JavaConstant.NULL_POINTER), "Expected null return");
130 }
131
132 @Test(expectedExceptions = {IllegalArgumentException.class})
133 public void testResolveLinkToTargetNegativeWrongConstant() {
134 PROVIDER.resolveLinkToTarget(CONSTANT_REFLECTION.forObject("42"));
135 }
136 }