1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package art; 18 19 import java.io.InterruptedIOException; 20 import java.lang.reflect.Field; 21 import java.util.Arrays; 22 23 public class Test918 { run()24 public static void run() throws Exception { 25 doTest(); 26 } 27 doTest()28 public static void doTest() throws Exception { 29 testField(Math.class, "PI"); 30 testField(InterruptedIOException.class, "bytesTransferred"); 31 testField(Foo.class, "this$0"); 32 testField(Bar.class, "VAL"); 33 testField(Generics.class, "generics"); 34 testField(Generics.class, "privateValue"); 35 } 36 testField(Class<?> base, String fieldName)37 private static void testField(Class<?> base, String fieldName) throws Exception { 38 Field f = base.getDeclaredField(fieldName); 39 String[] result = getFieldName(f); 40 System.out.println(Arrays.toString(result)); 41 42 Class<?> declClass = getFieldDeclaringClass(f); 43 if (base != declClass) { 44 throw new RuntimeException("Declaring class not equal: " + base + " vs " + declClass); 45 } 46 System.out.println(declClass); 47 48 int modifiers = getFieldModifiers(f); 49 if (modifiers != f.getModifiers()) { 50 throw new RuntimeException( 51 "Modifiers not equal: " + f.getModifiers() + " vs " + modifiers); 52 } 53 System.out.println(modifiers); 54 55 boolean synth = isFieldSynthetic(f); 56 if (synth != f.isSynthetic()) { 57 throw new RuntimeException("Synthetic not equal: " + f.isSynthetic() + " vs " + synth); 58 } 59 System.out.println(synth); 60 } 61 getFieldName(Field f)62 private static native String[] getFieldName(Field f); getFieldDeclaringClass(Field f)63 private static native Class<?> getFieldDeclaringClass(Field f); getFieldModifiers(Field f)64 private static native int getFieldModifiers(Field f); isFieldSynthetic(Field f)65 private static native boolean isFieldSynthetic(Field f); 66 67 private class Foo {} 68 69 private static interface Bar { 70 public static int VAL = 1; 71 } 72 73 private static class Generics<T> { 74 T generics; 75 private int privateValue = 42; 76 } 77 } 78