Package java.io

Examples of java.io.FileDescriptor.valid()

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    LOG.info("Test creating a file with O_CREAT");
    FileDescriptor fd = NativeIO.open(
      new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
      NativeIO.O_WRONLY | NativeIO.O_CREAT, 0700);
    assertNotNull(true);
    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());
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    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());

    LOG.info("Test exclusive create");
    try {
      fd = NativeIO.open(
        new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
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    for (int i = 0; i < 10000; i++) {
      FileDescriptor fd = NativeIO.open(
        new File(TEST_DIR, "testNoFdLeak").getAbsolutePath(),
        NativeIO.O_WRONLY | NativeIO.O_CREAT, 0700);
      assertNotNull(true);
      assertTrue(fd.valid());
      FileOutputStream fos = new FileOutputStream(fd);
      fos.write("foo".getBytes());
      fos.close();
    }
  }
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        f = new File(System.getProperty("user.dir"), "fd.tst");
        f.delete();
        os = new BufferedOutputStream(fos = new FileOutputStream(f.getPath()),
                4096);
        FileDescriptor fd = fos.getFD();
        assertTrue("Valid fd returned false", fd.valid());
        os.close();
        assertTrue("Invalid fd returned true", !fd.valid());
    }

    /**
 
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        os = new BufferedOutputStream(fos = new FileOutputStream(f.getPath()),
                4096);
        FileDescriptor fd = fos.getFD();
        assertTrue("Valid fd returned false", fd.valid());
        os.close();
        assertTrue("Invalid fd returned true", !fd.valid());
    }

    /**
     * Tears down the fixture, for example, close a network connection. This
     * method is called after a test is executed.
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    LOG.info("Test creating a file with O_CREAT");
    FileDescriptor fd = NativeIO.open(
      new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
      NativeIO.O_WRONLY | NativeIO.O_CREAT, 0700);
    assertNotNull(true);
    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());
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    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());

    LOG.info("Test exclusive create");
    try {
      fd = NativeIO.open(
        new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
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    for (int i = 0; i < 10000; i++) {
      FileDescriptor fd = NativeIO.open(
        new File(TEST_DIR, "testNoFdLeak").getAbsolutePath(),
        NativeIO.O_WRONLY | NativeIO.O_CREAT, 0700);
      assertNotNull(true);
      assertTrue(fd.valid());
      FileOutputStream fos = new FileOutputStream(fd);
      fos.write("foo".getBytes());
      fos.close();
    }
  }
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    LOG.info("Test creating a file with O_CREAT");
    FileDescriptor fd = NativeIO.open(
      new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
      NativeIO.O_WRONLY | NativeIO.O_CREAT, 0700);
    assertNotNull(true);
    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());
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    assertTrue(fd.valid());
    FileOutputStream fos = new FileOutputStream(fd);
    fos.write("foo".getBytes());
    fos.close();

    assertFalse(fd.valid());

    LOG.info("Test exclusive create");
    try {
      fd = NativeIO.open(
        new File(TEST_DIR, "testWorkingOpen").getAbsolutePath(),
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