1/*
2 * Copyright (C) 2018 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
17public class Main {
18  public static void $noinline$hotnessCount() {
19  }
20
21  public static void $noinline$hotnessCountWithLoop() {
22    for (int i = 0; i < 100; i++) {
23      $noinline$hotnessCount();
24    }
25  }
26
27  public static void main(String[] args) {
28    System.loadLibrary(args[0]);
29    if (!isAotCompiled(Main.class, "main")) {
30      return;
31    }
32    $noinline$hotnessCount();
33    int counter = getHotnessCounter(Main.class, "$noinline$hotnessCount");
34    if (counter == 0) {
35      throw new Error("Expected hotness counter to be updated");
36    }
37
38    $noinline$hotnessCountWithLoop();
39    if (getHotnessCounter(Main.class, "$noinline$hotnessCountWithLoop") <= counter) {
40      throw new Error("Expected hotness counter of a loop to be greater than without loop");
41    }
42  }
43
44  public static native int getHotnessCounter(Class<?> cls, String methodName);
45  public static native boolean isAotCompiled(Class<?> cls, String methodName);
46}
47