infer_clone/infer/tests/codetoanalyze/java/lab/Leaks.java

/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

package codetoanalyze.java.checkers;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class Leaks {

  void basicLeakBad() throws FileNotFoundException {
    new FileInputStream("file.txt");
  }

  void doubleLeakBad() throws FileNotFoundException {
    new FileInputStream("file1.txt");
    new FileInputStream("file2.txt");
  }

  void basicReleaseOk() throws IOException, FileNotFoundException {
    FileInputStream stream = new FileInputStream("file.txt");
    stream.close();
  }

  void acquireTwoForgetOneBad() throws IOException, FileNotFoundException {
    FileInputStream stream1 = new FileInputStream("file.txt");
    FileInputStream stream2 = new FileInputStream("file.txt");
    stream1.close();
  }

  void acquireTwoThenReleaseOk() throws IOException, FileNotFoundException {
    FileInputStream stream1 = new FileInputStream("file.txt");
    FileInputStream stream2 = new FileInputStream("file.txt");
    stream1.close();
    stream2.close();
  }
}