changeset 10318:a8377a286e90

8141619: Develop new tests for JVMCI compilerToVM class' CP related methods Reviewed-by: twisti, dpochepk
author kshefov
date Sat, 20 Feb 2016 11:49:45 +0300
parents ed4f837cee25
children e06b9173b181
files test/compiler/jvmci/compilerToVM/LookupKlassRefIndexInPoolTest.java test/compiler/jvmci/compilerToVM/LookupMethodInPoolTest.java test/compiler/jvmci/compilerToVM/LookupNameAndTypeRefIndexInPoolTest.java test/compiler/jvmci/compilerToVM/LookupNameInPoolTest.java test/compiler/jvmci/compilerToVM/LookupSignatureInPoolTest.java test/compiler/jvmci/compilerToVM/ResolveFieldInPoolTest.java test/compiler/jvmci/compilerToVM/ResolvePossiblyCachedConstantInPoolTest.java
diffstat 7 files changed, 782 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/LookupKlassRefIndexInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.test.lib.Asserts;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.meta.ConstantPool;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupKlassRefIndexInPool} method
+ */
+public class LookupKlassRefIndexInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_METHODREF, LookupKlassRefIndexInPoolTest::validate);
+        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupKlassRefIndexInPoolTest::validate);
+        typeTests.put(CONSTANT_FIELDREF, LookupKlassRefIndexInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        int indexToVerify = CompilerToVMHelper.lookupKlassRefIndexInPool(constantPoolCTVM, index);
+        int indexToRefer = dummyClass.constantPoolSS.getClassRefIndexAt(cpi);
+        String msg = String.format("Wrong class index returned by lookupKlassRefIndexInPool method "
+                                           + "applied to %sconstant pool index %d",
+                                   cached,
+                                   index);
+        Asserts.assertEQ(indexToRefer, indexToVerify, msg);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/LookupMethodInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.LookupMethodInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.LookupMethodInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.test.lib.Asserts;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
+import jdk.vm.ci.meta.ConstantPool;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupMethodInPool} method
+ */
+public class LookupMethodInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_METHODREF, LookupMethodInPoolTest::validate);
+        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupMethodInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        for (int j = 0; j < entry.opcodes.length; j++) {
+            HotSpotResolvedJavaMethod methodToVerify = CompilerToVMHelper
+                    .lookupMethodInPool(constantPoolCTVM, index, entry.opcodes[j]);
+            String msg = String.format("Object returned by lookupMethodInPool method"
+                                               + " for %sindex %d should not be null",
+                                       cached,
+                                       index);
+            Asserts.assertNotNull(methodToVerify, msg);
+            String[] classNameSplit = entry.klass.split("/");
+            String classNameToRefer = classNameSplit[classNameSplit.length - 1];
+            String methodNameToRefer = entry.name;
+            String methodToVerifyToString = methodToVerify.toString();
+            if (!methodToVerifyToString.contains(classNameToRefer)
+                    || !methodToVerifyToString.contains(methodNameToRefer)) {
+                msg = String.format("String representation \"%s\" of the object"
+                                            + " returned by lookupMethodInPool method"
+                                            + " for index %d does not contain a method's class name"
+                                            + " or method's name, should contain %s.%s",
+                                    methodToVerifyToString,
+                                    index,
+                                    classNameToRefer,
+                                    methodNameToRefer);
+                throw new AssertionError(msg);
+            }
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/LookupNameAndTypeRefIndexInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.LookupNameAndTypeRefIndexInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.LookupNameAndTypeRefIndexInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.test.lib.Asserts;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.meta.ConstantPool;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupNameAndTypeRefIndexInPool} method
+ */
+public class LookupNameAndTypeRefIndexInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_METHODREF, LookupNameAndTypeRefIndexInPoolTest::validate);
+        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupNameAndTypeRefIndexInPoolTest::validate);
+        typeTests.put(CONSTANT_FIELDREF, LookupNameAndTypeRefIndexInPoolTest::validate);
+        typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupNameAndTypeRefIndexInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        int indexToVerify = CompilerToVMHelper.lookupNameAndTypeRefIndexInPool(constantPoolCTVM, index);
+        int indexToRefer = dummyClass.constantPoolSS.getNameAndTypeRefIndexAt(cpi);
+        String msg = String.format("Wrong nameAndType index returned by lookupNameAndTypeRefIndexInPool"
+                                           + " method applied to %sconstant pool index %d",
+                                   cached,
+                                   index);
+        Asserts.assertEQ(indexToRefer, indexToVerify, msg);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/LookupNameInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.LookupNameInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.LookupNameInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.meta.ConstantPool;
+import jdk.test.lib.Asserts;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupNameInPool} method
+ */
+public class LookupNameInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_METHODREF, LookupNameInPoolTest::validate);
+        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupNameInPoolTest::validate);
+        typeTests.put(CONSTANT_FIELDREF, LookupNameInPoolTest::validate);
+        typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupNameInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        String nameToVerify = CompilerToVMHelper.lookupNameInPool(constantPoolCTVM, index);
+        String nameToRefer = entry.name;
+        String msg = String.format("Wrong name accessed by %sconstant pool index %d", cached, index);
+        Asserts.assertEQ(nameToVerify, nameToRefer, msg);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/LookupSignatureInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.test.lib.Asserts;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.meta.ConstantPool;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupSignatureInPool} method
+ */
+public class LookupSignatureInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_METHODREF, LookupSignatureInPoolTest::validate);
+        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupSignatureInPoolTest::validate);
+        typeTests.put(CONSTANT_FIELDREF, LookupSignatureInPoolTest::validate);
+        typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupSignatureInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        String sigToVerify = CompilerToVMHelper.lookupSignatureInPool(constantPoolCTVM, index);
+        String sigToRefer = entry.type;
+        String msg = String.format("Wrong signature accessed by %sconstant pool index %d",
+                                   cached,
+                                   index);
+        Asserts.assertEQ(sigToVerify, sigToRefer, msg);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/ResolveFieldInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.ResolveFieldInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.ResolveFieldInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
+import jdk.vm.ci.meta.ConstantPool;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.Utils;
+import sun.misc.Unsafe;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveFieldInPool} method
+ */
+public class ResolveFieldInPoolTest {
+
+    private static final Unsafe UNSAFE = Utils.getUnsafe();
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_FIELDREF, ResolveFieldInPoolTest::validate);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        testCase.test();
+        // The next "Class.forName" and repeating "testCase.test()"
+        // are here for the following reason.
+        // The first test run is without dummy class initialization,
+        // which means no constant pool cache exists.
+        // The second run is with initialized class (with constant pool cache available).
+        // Some CompilerToVM methods require different input
+        // depending on whether CP cache exists or not.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validate(ConstantPool constantPoolCTVM,
+                                 ConstantTypes cpType,
+                                 DummyClasses dummyClass,
+                                 int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        for (int j = 0; j < entry.opcodes.length; j++) {
+            long[] info = new long[2];
+            HotSpotResolvedObjectType fieldToVerify
+                    = CompilerToVMHelper.resolveFieldInPool(constantPoolCTVM,
+                                                           index,
+                                                           entry.opcodes[j],
+                                                           info);
+            String msg = String.format("Object returned by resolveFieldInPool method"
+                                               + " for %sindex %d  should not be null",
+                                       cached,
+                                       index);
+            Asserts.assertNotNull(fieldToVerify, msg);
+            String classNameToRefer = entry.klass;
+            String fieldToVerifyKlassToString = fieldToVerify.klass().toValueString();
+            if (!fieldToVerifyKlassToString.contains(classNameToRefer)) {
+                msg = String.format("String representation \"%s\" of the object"
+                                            + " returned by resolveFieldInPool method"
+                                            + " for index %d does not contain a field's class name,"
+                                            + " should contain %s",
+                                    fieldToVerifyKlassToString,
+                                    index,
+                                    classNameToRefer);
+                throw new AssertionError(msg);
+            }
+            msg = String.format("Access flags returned by resolveFieldInPool"
+                                        + " method are wrong for the field %s.%s"
+                                        + " at %sindex %d",
+                                entry.klass,
+                                entry.name,
+                                cached,
+                                index);
+            Asserts.assertEQ(info[0], entry.accFlags, msg);
+            if (cpci == -1) {
+                return;
+            }
+            Class classOfTheField = null;
+            Field fieldToRefer = null;
+            try {
+                classOfTheField = Class.forName(classNameToRefer.replaceAll("/", "\\."));
+                fieldToRefer = classOfTheField.getDeclaredField(entry.name);
+                fieldToRefer.setAccessible(true);
+            } catch (Exception ex) {
+                throw new Error("Unexpected exception", ex);
+            }
+            long offsetToRefer;
+            if ((entry.accFlags & Opcodes.ACC_STATIC) != 0) {
+                offsetToRefer = UNSAFE.staticFieldOffset(fieldToRefer);
+            } else {
+                offsetToRefer = UNSAFE.objectFieldOffset(fieldToRefer);
+            }
+            msg = String.format("Field offset returned by resolveFieldInPool"
+                                        + " method is wrong for the field %s.%s"
+                                        + " at %sindex %d",
+                                entry.klass,
+                                entry.name,
+                                cached,
+                                index);
+            Asserts.assertEQ(info[1], offsetToRefer, msg);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/compilerToVM/ResolvePossiblyCachedConstantInPoolTest.java	Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ *        compiler.jvmci.compilerToVM.ResolvePossiblyCachedConstantInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ *                              jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *                   compiler.jvmci.compilerToVM.ResolvePossiblyCachedConstantInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.test.lib.Asserts;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.meta.ConstantPool;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolvePossiblyCachedConstantInPool} method
+ */
+public class ResolvePossiblyCachedConstantInPoolTest {
+
+    public static void main(String[] args) throws Exception {
+        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+        typeTests.put(CONSTANT_STRING, ResolvePossiblyCachedConstantInPoolTest::validateString);
+        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+        // The next "Class.forName" is here for the following reason.
+        // When class is initialized, constant pool cache is available.
+        // This method works only with cached constant pool.
+        for (DummyClasses dummy : DummyClasses.values()) {
+            Class.forName(dummy.klass.getName());
+        }
+        testCase.test();
+    }
+
+    private static void validateString(ConstantPool constantPoolCTVM,
+                                       ConstantTypes cpType,
+                                       DummyClasses dummyClass,
+                                       int cpi) {
+        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+        if (entry == null) {
+            return;
+        }
+        int index = cpi;
+        String cached = "";
+        int cpci = dummyClass.getCPCacheIndex(cpi);
+        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            index = cpci;
+            cached = "cached ";
+        }
+        Object constantInPool = CompilerToVMHelper.resolvePossiblyCachedConstantInPool(constantPoolCTVM, index);
+        String stringToVerify = (String) constantInPool;
+        String stringToRefer = entry.name;
+        if (stringToRefer.equals("") && cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+            stringToRefer = null; // tested method returns null for cached empty strings
+        }
+        String msg = String.format("Wrong string accessed by %sconstant pool index %d", cached, index);
+        Asserts.assertEQ(stringToRefer, stringToVerify, msg);
+    }
+}