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.lang.ref.Reference; 20 import java.lang.reflect.Constructor; 21 import java.lang.reflect.Proxy; 22 import java.util.ArrayList; 23 import java.util.Arrays; 24 import java.util.Comparator; 25 26 public class Test912Art { run()27 public static void run() throws Exception { 28 doTest(); 29 } 30 doTest()31 public static void doTest() throws Exception { 32 testClassEvents(); 33 } 34 testClassEvents()35 private static void testClassEvents() throws Exception { 36 // Note: the JIT part of this test is about the JIT pulling in a class not yet touched by 37 // anything else in the system. This could be the verifier or the interpreter. We 38 // block the interpreter by calling ensureJitCompiled. The verifier, however, must 39 // run in configurations where dex2oat didn't verify the class itself. So explicitly 40 // check whether the class has been already loaded, and skip then. 41 // TODO: Add multiple configurations to the run script once that becomes easier to do. 42 if (hasJit() && !isLoadedClass("Lart/Test912Art$ClassD;")) { 43 testClassEventsJit(); 44 } 45 } 46 testClassEventsJit()47 private static void testClassEventsJit() throws Exception { 48 enableClassLoadSeenEvents(true); 49 50 testClassEventsJitImpl(); 51 52 enableClassLoadSeenEvents(false); 53 54 if (!hadLoadEvent()) { 55 throw new RuntimeException("Did not get expected load event."); 56 } 57 } 58 testClassEventsJitImpl()59 private static void testClassEventsJitImpl() throws Exception { 60 ensureJitCompiled(Test912Art.class, "testClassEventsJitImpl"); 61 62 if (ClassD.x != 1) { 63 throw new RuntimeException("Unexpected value"); 64 } 65 } 66 ensureJitCompiled(Class<?> c, String name)67 private static native void ensureJitCompiled(Class<?> c, String name); 68 hasJit()69 private static native boolean hasJit(); isLoadedClass(String name)70 private static native boolean isLoadedClass(String name); enableClassLoadSeenEvents(boolean b)71 private static native void enableClassLoadSeenEvents(boolean b); hadLoadEvent()72 private static native boolean hadLoadEvent(); 73 74 public static class ClassD { 75 static int x = 1; 76 } 77 } 78