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 jdk.vm.ci.hotspot.test.HotSpotConstantReflectionProviderTest
  26  * @requires vm.jvmci
  27  * @modules jdk.internal.vm.ci/jdk.vm.ci.runtime
  28  *          jdk.internal.vm.ci/jdk.vm.ci.meta
  29  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
  30  *          java.base/jdk.internal.vm.annotation
  31  *          java.base/jdk.internal.misc
  32  * @library /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src
  33  * @build jdk.vm.ci.hotspot.test.DummyClass
  34  * @run driver ClassFileInstaller jdk.vm.ci.hotspot.test.DummyClass
  35  * @run testng/othervm/timeout=300 -Xbootclasspath/a:.
  36  *      -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  37  *       jdk.vm.ci.hotspot.test.HotSpotConstantReflectionProviderTest
  38  */
  39 
  40 package jdk.vm.ci.hotspot.test;
  41 
  42 import jdk.vm.ci.meta.Constant;
  43 import jdk.vm.ci.meta.JavaConstant;
  44 import jdk.vm.ci.meta.MemoryAccessProvider;
  45 import jdk.vm.ci.meta.MethodHandleAccessProvider;
  46 import jdk.vm.ci.meta.ResolvedJavaField;
  47 import jdk.vm.ci.meta.ResolvedJavaType;
  48 import org.testng.Assert;
  49 import org.testng.annotations.Test;
  50 
  51 import static jdk.vm.ci.hotspot.test.TestHelper.CONSTANT_REFLECTION_PROVIDER;
  52 
  53 public class HotSpotConstantReflectionProviderTest {
  54 
  55     @Test(dataProvider = "forObjectDataProvider", dataProviderClass = ForObjectDataProvider.class)
  56     public void testForObject(Object obj, String expected) {
  57         JavaConstant jConst = TestHelper.CONSTANT_REFLECTION_PROVIDER.forObject(obj);
  58         Assert.assertNotNull(jConst,
  59                         "An instance of JavaConstant returned by" + " \"forObject\" method should not be null");
  60         Assert.assertEquals(jConst.toString(), expected, "Unexpected result:");
  61     }
  62 
  63     @Test(dataProvider = "forStringDataProvider", dataProviderClass = ForStringDataProvider.class)
  64     public void testForString(String string, String expected) {
  65         JavaConstant jConst = CONSTANT_REFLECTION_PROVIDER.forString(string);
  66         Assert.assertNotNull(jConst,
  67                         "An instance of JavaConstant returned by" + " \"forString\" method should not be null");
  68         Assert.assertEquals(jConst.toString(), expected, "Unexpected result:");
  69     }
  70 
  71     @Test(dataProvider = "constantEqualsDataProvider", dataProviderClass = ConstantEqualsDataProvider.class)
  72     public void testConstantEquals(Constant const1, Constant const2, Boolean expected) {
  73         Assert.assertEquals(CONSTANT_REFLECTION_PROVIDER.constantEquals(const1, const2), expected,
  74                         "Unexpected result:");
  75     }
  76 
  77     @Test(dataProvider = "readArrayLengthDataProvider", dataProviderClass = ReadArrayLengthDataProvider.class)
  78     public void testReadArrayLength(JavaConstant array, Integer expected) {
  79         Assert.assertEquals(CONSTANT_REFLECTION_PROVIDER.readArrayLength(array), expected,
  80                         "Unexpected result:");
  81     }
  82 
  83     @Test(dataProvider = "readArrayElementDataProvider", dataProviderClass = ReadArrayElementDataProvider.class)
  84     public void testReadArrayElement(JavaConstant array, int index, Object expected) {
  85         Assert.assertEquals(CONSTANT_REFLECTION_PROVIDER.readArrayElement(array, index), expected,
  86                         "Unexpected result:");
  87     }
  88 
  89     @Test(dataProvider = "readFieldValueDataProvider", dataProviderClass = ReadFieldValueDataProvider.class)
  90     public void testReadFieldValue(ResolvedJavaField field, JavaConstant receiver, JavaConstant expected) {
  91         JavaConstant actual = CONSTANT_REFLECTION_PROVIDER.readFieldValue(field, receiver);
  92         Assert.assertEquals(actual == null ? "null" : actual.toString(),
  93                         expected == null ? "null" : expected.toString(), "Unexpected result:");
  94     }
  95 
  96     @Test(dataProvider = "readFieldValueNegativeDataProvider", dataProviderClass = ReadFieldValueDataProvider.class, expectedExceptions = {NullPointerException.class})
  97     public void testNegativeReadFieldValue(ResolvedJavaField field, JavaConstant receiver) {
  98         CONSTANT_REFLECTION_PROVIDER.readFieldValue(field, receiver);
  99     }
 100 
 101     @Test(dataProvider = "asJavaTypeDataProvider", dataProviderClass = AsJavaTypeDataProvider.class)
 102     public void testAsJavaType(JavaConstant constant, String expected) {
 103         ResolvedJavaType actual = CONSTANT_REFLECTION_PROVIDER.asJavaType(constant);
 104         Assert.assertEquals(actual == null ? "null" : actual.toJavaName(),
 105                         expected == null ? "null" : expected,
 106                         "Unexpected result, wrong type returned:");
 107     }
 108 
 109     @Test(dataProvider = "boxPrimitiveDataProvider", dataProviderClass = BoxPrimitiveDataProvider.class)
 110     public void testBoxPrimitive(JavaConstant constant, JavaConstant expected) {
 111         JavaConstant actual = CONSTANT_REFLECTION_PROVIDER.boxPrimitive(constant);
 112         Assert.assertEquals(actual, expected, "Unexpected result:");
 113     }
 114 
 115     @Test(dataProvider = "unboxPrimitiveDataProvider", dataProviderClass = UnboxPrimitiveDataProvider.class)
 116     public void testUnboxPrimitive(JavaConstant constant, JavaConstant expected) {
 117         JavaConstant actual = CONSTANT_REFLECTION_PROVIDER.unboxPrimitive(constant);
 118         Assert.assertEquals(actual, expected, "Unexpected result:");
 119     }
 120 
 121     @Test
 122     public void testGetMemoryAccessProvider() {
 123         MemoryAccessProvider actual = CONSTANT_REFLECTION_PROVIDER.getMemoryAccessProvider();
 124         Assert.assertNotNull(actual, "Returned MemoryAccessProvider instance should not be null");
 125     }
 126 
 127     @Test
 128     public void testGetMethodHandleAccess() {
 129         MethodHandleAccessProvider actual = CONSTANT_REFLECTION_PROVIDER.getMethodHandleAccess();
 130         Assert.assertNotNull(actual,
 131                         "Returned MethodHandleAccessProvider instance should not be null");
 132     }
 133 }