1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20  * or visit www.oracle.com if you need additional information or have any
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23 
24 /*
25  * @test
26  * @bug 8138708
27  * @requires vm.jvmci
28  * @library /test/lib /
29  * @library ../common/patches
30  * @modules java.base/jdk.internal.access
31  *          java.base/jdk.internal.reflect
32  *          java.base/jdk.internal.org.objectweb.asm
33  *          java.base/jdk.internal.org.objectweb.asm.tree
34  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
35  *          jdk.internal.vm.ci/jdk.vm.ci.runtime
36  *          jdk.internal.vm.ci/jdk.vm.ci.meta
37  *
38  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox
39  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
40  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
41  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
42  *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
43  *                   -Djvmci.Compiler=null
44  *                   compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest
45  */
46 
47 package compiler.jvmci.compilerToVM;
48 
49 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
52 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
53 import jdk.test.lib.Asserts;
54 import jdk.vm.ci.hotspot.CompilerToVMHelper;
55 import jdk.vm.ci.meta.ConstantPool;
56 
57 import java.util.HashMap;
58 import java.util.Map;
59 
60 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF;
61 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF;
62 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF;
63 
64 /**
65  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupKlassRefIndexInPool} method
66  */
67 public class LookupKlassRefIndexInPoolTest {
68 
main(String[] args)69     public static void main(String[] args) throws Exception {
70         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
71         typeTests.put(CONSTANT_METHODREF, LookupKlassRefIndexInPoolTest::validate);
72         typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupKlassRefIndexInPoolTest::validate);
73         typeTests.put(CONSTANT_FIELDREF, LookupKlassRefIndexInPoolTest::validate);
74         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
75         testCase.test();
76         // The next "Class.forName" and repeating "testCase.test()"
77         // are here for the following reason.
78         // The first test run is without dummy class initialization,
79         // which means no constant pool cache exists.
80         // The second run is with initialized class (with constant pool cache available).
81         // Some CompilerToVM methods require different input
82         // depending on whether CP cache exists or not.
83         for (DummyClasses dummy : DummyClasses.values()) {
84             Class.forName(dummy.klass.getName());
85         }
86         testCase.test();
87     }
88 
validate(ConstantPool constantPoolCTVM, ConstantTypes cpType, DummyClasses dummyClass, int cpi)89     private static void validate(ConstantPool constantPoolCTVM,
90                                  ConstantTypes cpType,
91                                  DummyClasses dummyClass,
92                                  int cpi) {
93         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
94         if (entry == null) {
95             return;
96         }
97         int index = cpi;
98         String cached = "";
99         int cpci = dummyClass.getCPCacheIndex(cpi);
100         if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
101             index = cpci;
102             cached = "cached ";
103         }
104         int indexToVerify = CompilerToVMHelper.lookupKlassRefIndexInPool(constantPoolCTVM, index);
105         int indexToRefer = dummyClass.constantPoolSS.getClassRefIndexAt(cpi);
106         String msg = String.format("Wrong class index returned by lookupKlassRefIndexInPool method "
107                                            + "applied to %sconstant pool index %d",
108                                    cached,
109                                    index);
110         Asserts.assertEQ(indexToRefer, indexToVerify, msg);
111     }
112 }
113