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23 
24 /*
25  * @test
26  * @bug 8136421
27  * @requires vm.jvmci
28  * @summary Testing compiler.jvmci.CompilerToVM.resolveTypeInPool method
29  * @library /test/lib /
30  * @library ../common/patches
31  * @modules java.base/jdk.internal.access
32  *          java.base/jdk.internal.reflect
33  *          java.base/jdk.internal.org.objectweb.asm
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  * @run main/othervm -Xbootclasspath/a:.
41  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
42  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
43  *                   -XX:-UseJVMCICompiler
44  *                   compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
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.vm.ci.hotspot.CompilerToVMHelper;
54 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
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_CLASS;
61 
62 /**
63  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveTypeInPool} method
64  */
65 public class ResolveTypeInPoolTest {
66 
main(String[] args)67     public static void main(String[] args) throws Exception {
68         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
69         typeTests.put(CONSTANT_CLASS, ResolveTypeInPoolTest::validate);
70         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
71         testCase.test();
72         // The next "Class.forName" and repeating "testCase.test()"
73         // are here for the following reason.
74         // The first test run is without dummy class initialization,
75         // which means no constant pool cache exists.
76         // The second run is with initialized class (with constant pool cache available).
77         // Some CompilerToVM methods require different input
78         // depending on whether CP cache exists or not.
79         for (DummyClasses dummy : DummyClasses.values()) {
80             Class.forName(dummy.klass.getName());
81         }
82         testCase.test();
83     }
84 
validate(ConstantPool constantPoolCTVM, ConstantTypes cpType, DummyClasses dummyClass, int i)85     public static void validate(ConstantPool constantPoolCTVM,
86                                 ConstantTypes cpType,
87                                 DummyClasses dummyClass,
88                                 int i) {
89         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i);
90         if (entry == null) {
91             return;
92         }
93         HotSpotResolvedObjectType typeToVerify = CompilerToVMHelper.resolveTypeInPool(constantPoolCTVM, i);
94         String classNameToRefer = entry.klass;
95         String outputToVerify = typeToVerify.toString();
96         if (!outputToVerify.contains(classNameToRefer)) {
97             String msg = String.format("Wrong class accessed by constant"
98                                                + " pool index %d: %s, but should be %s",
99                                        i,
100                                        outputToVerify,
101                                        classNameToRefer);
102             throw new AssertionError(msg);
103         }
104     }
105 }
106