test/901-hello-ti-agent/src/art/Test901.java

/*
 * Copyright (C) 2011 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;

public class Test901 {
  public static void run() {
    System.out.println("Hello, world!");

    if (checkLivePhase()) {
      System.out.println("Agent in live phase.");
    }
    if (checkUnattached()) {
      System.out.println("Received expected error for unattached JVMTI calls");
    }

    set(0);  // OTHER
    set(1);  // GC
    set(2);  // CLASS
    set(4);  // JNI
    set(8);  // Error.

    testErrorNames();
  }

  private static void set(int i) {
    System.out.println(i);
    try {
      setVerboseFlag(i, true);
      setVerboseFlag(i, false);
    } catch (RuntimeException e) {
      System.out.println(e.getMessage());
    }
  }

  private static void testErrorNames() {
      int consecutiveErrors = 0;
      String lastError = null;
      for (int i = -1; i <= 117; i++) {
          String errorName = null;
          String error = null;
          try {
              errorName = getErrorName(i);
          } catch (RuntimeException e) {
              error = e.getMessage();
          }

          if (lastError != null &&
                  (errorName != null || (error != null && !lastError.equals(error)))) {
              System.out.println(consecutiveErrors + " times " + lastError);
              lastError = null;
              consecutiveErrors = 0;
          }

          if (errorName != null) {
              System.out.println(i + " = " + errorName);
          } else {
              lastError = error;
              consecutiveErrors++;
          }
      }
      if (consecutiveErrors > 0) {
          System.out.println(consecutiveErrors + " times " + lastError);
      }
  }

  private static native boolean checkLivePhase();
  private static native void setVerboseFlag(int flag, boolean value);
  private static native boolean checkUnattached();
  private static native String getErrorName(int error);
}