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.misc
  31  * @modules java.base/jdk.internal.org.objectweb.asm
  32             java.base/jdk.internal.org.objectweb.asm.tree
  33             jdk.vm.ci/jdk.vm.ci.hotspot
  34  *          jdk.vm.ci/jdk.vm.ci.meta
  35  *          jdk.vm.ci/jdk.vm.ci.code
  36  *
  37  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  38  * @run main/othervm -Xbootclasspath/a:.
  39  *                   -XX:+UnlockDiagnosticVMOptions
  40  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  41  *                   compiler.jvmci.compilerToVM.GetConstantPoolTest
  42  */
  43 package compiler.jvmci.compilerToVM;
  44 
  45 import jdk.test.lib.Utils;
  46 import compiler.jvmci.common.CTVMUtilities;
  47 import compiler.jvmci.common.testcases.TestCase;
  48 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  49 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  50 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  51 import jdk.vm.ci.meta.ConstantPool;
  52 
  53 import java.lang.reflect.Field;
  54 import java.lang.reflect.Executable;
  55 
  56 /**
  57  * Tests for jdk.vm.ci.hotspot.CompilerToVM::getConstantPool method
  58  */
  59 public class GetConstantPoolTest {
  60 
  61     public static void testMethod(Executable executable) {
  62         test(CTVMUtilities.getResolvedMethod(executable));
  63     }
  64 
  65     public static void testClass(Class cls) {
  66         HotSpotResolvedObjectType type = CompilerToVMHelper
  67                 .lookupType(Utils.toJVMTypeSignature(cls),
  68                         GetConstantPoolTest.class, /* resolve = */ true);
  69         test(type);
  70     }
  71 
  72     private static void test(Object object) {
  73         ConstantPool cp = CompilerToVMHelper.getConstantPool(object);
  74         System.out.println(object + " -> " + cp);
  75     }
  76 
  77     public static void main(String[] args) {
  78         TestCase.getAllClasses().forEach(GetConstantPoolTest::testClass);
  79         TestCase.getAllExecutables().forEach(GetConstantPoolTest::testMethod);
  80         testNull();
  81         testObject();
  82     }
  83 
  84     private static void testNull() {
  85         try {
  86             Object cp = CompilerToVMHelper.getConstantPool(null);
  87             throw new AssertionError("Test OBJECT."
  88                 + " Expected IllegalArgumentException has not been caught");
  89         } catch (NullPointerException npe) {
  90             // expected
  91         }
  92     }
  93     private static void testObject() {
  94         try {
  95             Object cp = CompilerToVMHelper.getConstantPool(new Object());
  96             throw new AssertionError("Test OBJECT."
  97                 + " Expected IllegalArgumentException has not been caught");
  98         } catch (IllegalArgumentException iae) {
  99             // expected
 100         }
 101     }
 102 }