JNI_OnLoad.java

/*
 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
 *
 *  This file is licensed to You under the Eclipse Public License (EPL);
 *  You may not use this file except in compliance with the License. You
 *  may obtain a copy of the License at
 *
 *      http://www.opensource.org/licenses/eclipse-1.0.php
 *
 *  See the COPYRIGHT.txt file distributed with this work for information
 *  regarding copyright ownership.
 */
public class JNI_OnLoad {

  // set to true to get messages for each test
  static boolean verbose = true;
  static boolean allTestPass = true;

  public static void main(String[] args) throws Exception {
    System.loadLibrary("JNI_OnLoad");

    if (args.length!=0) {
      if (args[0].equals("-quiet")) {
        verbose = false;
        setVerboseOff();
      }
    }

    int returnValue;

    returnValue = testJNIOnLoad();
    checkTest(returnValue, true, "testJNIOnLoad -- A");

    if (allTestPass) {
      System.out.println("PASS: JNI_OnLoad");
    } else {
      System.out.println("FAIL: JNI_OnLoad");
    }
  }

  private static native int testJNIOnLoad();

  public static native void setVerboseOff();

  static void printVerbose(String str) {
    if (verbose)
      System.out.println(str);
  }

  static void checkTest(int returnValue, boolean postCheck, String testName) {
    if (returnValue==0 && postCheck) {
      printVerbose("PASS: " + testName);
    } else {
      allTestPass = false;
      printVerbose("FAIL: " + testName);
    }
  }
}