Examples with UnsynchronizedByteArrayInputStream org.apache.commons.io.input.UnsynchronizedByteArrayInputStream used on opensource projects

Example 31 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method readBytes_onClosedStream.

@Test(expected = IOException.class)
public void readBytes_onClosedStream() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    final byte[] result = new byte[2];
    cfis.read(result);
    assertArrayEquals(subArray(testData, 2), result);
    cfis.close();
    // should cause IOException
    cfis.read(result);
}

Example 32 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method available_onOffsetCachedStream.

@Test
public void available_onOffsetCachedStream() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // read first 2 bytes
    cfis.read();
    cfis.read();
    // mark for later reset
    cfis.mark(Integer.MAX_VALUE);
    for (int i = 0; i < testData.length - 2; i++) {
        cfis.read();
    }
    // return to the start of the stream
    cfis.reset();
    assertEquals(testData.length - 2, cfis.available());
}

Example 33 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method interleavedSourceReads.

/**
 * When given an underlying InputSource and caching it twice with the same
 * cache we should be able to read the input twice assuming that the input
 * that we are interested in has not been read before a mark()
 */
@Test
public void interleavedSourceReads() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final byte[] testData = generateRandomData(_64KB);
    final InputStream is = new MarkShieldInputStream(new UnsynchronizedByteArrayInputStream(testData));
    final FilterInputStreamCache cache1 = getNewCache(is);
    final CachingFilterInputStream cfis1 = new CachingFilterInputStream(cache1);
    cfis1.mark(Integer.MAX_VALUE);
    final CachingFilterInputStream cfis2 = new CachingFilterInputStream(cache1);
    final byte[] result1 = new byte[_12KB];
    cfis1.read(result1);
    assertArrayEquals(subArray(testData, _12KB), result1);
    final byte[] result2 = new byte[_12KB];
    cfis2.read(result2);
    assertArrayEquals(subArray(testData, _12KB), result2);
}

Example 34 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method skip.

@Test
public void skip() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // read the first 3 bytes
    assertEquals(testData[0], cfis.read());
    assertEquals(testData[1], cfis.read());
    assertEquals(testData[2], cfis.read());
    // skip 3 bytes
    cfis.skip(3);
    // read bytes 5 to 7 inclusive
    assertEquals(testData[6], cfis.read());
    assertEquals(testData[7], cfis.read());
    assertEquals(testData[8], cfis.read());
}

Example 35 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest method skip_onClosedStream.

@Test(expected = IOException.class)
public void skip_onClosedStream() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    cfis.close();
    // should cause IOException
    cfis.skip(1);
}