Examples with OutputStream java.io.OutputStream used on opensource projects

Example 36 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method testPositionedRead.

/** Test positioned read. */
@Test(timeout = 120000)
public void testPositionedRead() throws Exception {
    OutputStream out = getOutputStream(defaultBufferSize);
    writeData(out);
    InputStream in = getInputStream(defaultBufferSize);
    // Pos: 1/3 dataLen
    positionedReadCheck(in, dataLen / 3);
    // Pos: 1/2 dataLen
    positionedReadCheck(in, dataLen / 2);
    in.close();
}

Example 37 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method testByteBufferRead.

/** Test byte buffer read with different buffer size. */
@Test(timeout = 120000)
public void testByteBufferRead() throws Exception {
    OutputStream out = getOutputStream(defaultBufferSize);
    writeData(out);
    // Default buffer size, initial buffer position is 0
    InputStream in = getInputStream(defaultBufferSize);
    ByteBuffer buf = ByteBuffer.allocate(dataLen + 100);
    byteBufferReadCheck(in, buf, 0);
    in.close();
    // Default buffer size, initial buffer position is not 0
    in = getInputStream(defaultBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 11);
    in.close();
    // Small buffer size, initial buffer position is 0
    in = getInputStream(smallBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 0);
    in.close();
    // Small buffer size, initial buffer position is not 0
    in = getInputStream(smallBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 11);
    in.close();
    // Direct buffer, default buffer size, initial buffer position is 0
    in = getInputStream(defaultBufferSize);
    buf = ByteBuffer.allocateDirect(dataLen + 100);
    byteBufferReadCheck(in, buf, 0);
    in.close();
    // Direct buffer, default buffer size, initial buffer position is not 0
    in = getInputStream(defaultBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 11);
    in.close();
    // Direct buffer, small buffer size, initial buffer position is 0
    in = getInputStream(smallBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 0);
    in.close();
    // Direct buffer, small buffer size, initial buffer position is not 0
    in = getInputStream(smallBufferSize);
    buf.clear();
    byteBufferReadCheck(in, buf, 11);
    in.close();
}

Example 38 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method testSkip.

/** Test skip. */
@Test(timeout = 120000)
public void testSkip() throws Exception {
    OutputStream out = getOutputStream(defaultBufferSize);
    writeData(out);
    // Default buffer size
    InputStream in = getInputStream(defaultBufferSize);
    byte[] result = new byte[dataLen];
    int n1 = readAll(in, result, 0, dataLen / 3);
    Assert.assertEquals(n1, ((Seekable) in).getPos());
    long skipped = in.skip(dataLen / 3);
    int n2 = readAll(in, result, 0, dataLen);
    Assert.assertEquals(dataLen, n1 + skipped + n2);
    byte[] readData = new byte[n2];
    System.arraycopy(result, 0, readData, 0, n2);
    byte[] expectedData = new byte[n2];
    System.arraycopy(data, dataLen - n2, expectedData, 0, n2);
    Assert.assertArrayEquals(readData, expectedData);
    try {
        skipped = in.skip(-3);
        Assert.fail("Skip Negative length should fail.");
    } catch (IllegalArgumentException e) {
        GenericTestUtils.assertExceptionContains("Negative skip length", e);
    }
    // Skip after EOF
    skipped = in.skip(3);
    Assert.assertEquals(skipped, 0);
    in.close();
}

Example 39 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method syncableCheck.

private void syncableCheck() throws IOException {
    OutputStream out = getOutputStream(smallBufferSize);
    try {
        int bytesWritten = dataLen / 3;
        out.write(data, 0, bytesWritten);
        ((Syncable) out).hflush();
        InputStream in = getInputStream(defaultBufferSize);
        verify(in, bytesWritten, data);
        in.close();
        out.write(data, bytesWritten, dataLen - bytesWritten);
        ((Syncable) out).hsync();
        in = getInputStream(defaultBufferSize);
        verify(in, dataLen, data);
        in.close();
    } finally {
        out.close();
    }
}

Example 40 with OutputStream

use of java.io.OutputStream in project hadoop by apache.

the class CryptoStreamsTestBase method testReadFully.

/** Test read fully */
@Test(timeout = 120000)
public void testReadFully() throws Exception {
    OutputStream out = getOutputStream(defaultBufferSize);
    writeData(out);
    InputStream in = getInputStream(defaultBufferSize);
    final int len1 = dataLen / 4;
    // Read len1 bytes
    byte[] readData = new byte[len1];
    readAll(in, readData, 0, len1);
    byte[] expectedData = new byte[len1];
    System.arraycopy(data, 0, expectedData, 0, len1);
    Assert.assertArrayEquals(readData, expectedData);
    // Pos: 1/3 dataLen
    readFullyCheck(in, dataLen / 3);
    // Read len1 bytes
    readData = new byte[len1];
    readAll(in, readData, 0, len1);
    expectedData = new byte[len1];
    System.arraycopy(data, len1, expectedData, 0, len1);
    Assert.assertArrayEquals(readData, expectedData);
    // Pos: 1/2 dataLen
    readFullyCheck(in, dataLen / 2);
    // Read len1 bytes
    readData = new byte[len1];
    readAll(in, readData, 0, len1);
    expectedData = new byte[len1];
    System.arraycopy(data, 2 * len1, expectedData, 0, len1);
    Assert.assertArrayEquals(readData, expectedData);
    in.close();
}