content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package art;
  
  import java.lang.ref.Reference;
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Proxy;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Comparator;
  
  public class Test912Art {
    public static void run() throws Exception {
      doTest();
    }
  
    public static void doTest() throws Exception {
      testClassEvents();
    }
  
    private static void testClassEvents() throws Exception {
      // Note: the JIT part of this test is about the JIT pulling in a class not yet touched by
      //       anything else in the system. This could be the verifier or the interpreter. We
      //       block the interpreter by calling ensureJitCompiled. The verifier, however, must
      //       run in configurations where dex2oat didn't verify the class itself. So explicitly
      //       check whether the class has been already loaded, and skip then.
      // TODO: Add multiple configurations to the run script once that becomes easier to do.
      if (hasJit() && !isLoadedClass("Lart/Test912Art$ClassD;")) {
        testClassEventsJit();
      }
    }
  
    private static void testClassEventsJit() throws Exception {
      enableClassLoadSeenEvents(true);
  
      testClassEventsJitImpl();
  
      enableClassLoadSeenEvents(false);
  
      if (!hadLoadEvent()) {
        throw new RuntimeException("Did not get expected load event.");
      }
    }
  
    private static void testClassEventsJitImpl() throws Exception {
      ensureJitCompiled(Test912Art.class, "testClassEventsJitImpl");
  
      if (ClassD.x != 1) {
        throw new RuntimeException("Unexpected value");
      }
    }
  
    private static native void ensureJitCompiled(Class<?> c, String name);
  
    private static native boolean hasJit();
    private static native boolean isLoadedClass(String name);
    private static native void enableClassLoadSeenEvents(boolean b);
    private static native boolean hadLoadEvent();
  
    public static class ClassD {
      static int x = 1;
    }
  }
  