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

Example 11 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onOffsetPartiallyCachedStream.

@Test
public void available_onOffsetPartiallyCachedStream() 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));
    // read first 2 bytes
    cfis.read();
    cfis.read();
    // mark for later reset
    cfis.mark(Integer.MAX_VALUE);
    // read next 2 bytes
    cfis.read();
    cfis.read();
    // return to the start of the stream
    cfis.reset();
    assertEquals(testData.length - 2, cfis.available());
}

Example 12 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onUnCachedStream.

@Test
public void available_onUnCachedStream() 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));
    assertEquals(testData.length, cfis.available());
}

Example 13 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readByte_pastEndOfStream.

@Test
public void readByte_pastEndOfStream() 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));
    // read all the bytes upto end of stream
    int b = -1;
    int testDataOffset = 0;
    while ((b = cfis.read()) > -1) {
        assertEquals(testData[testDataOffset++], b);
    }
    // read byte past end of stream
    b = cfis.read();
    assertEquals(-1, b);
}

Example 14 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readBytes_partFromCache.

@Test
public void readBytes_partFromCache() 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));
    // mark the position
    cfis.mark(Integer.MAX_VALUE);
    // read the first 5 byts data
    byte[] result = new byte[5];
    int read = cfis.read(result);
    assertEquals(5, read);
    assertArrayEquals(subArray(testData, 5), result);
    // reset position to the mark
    cfis.reset();
    // attempt to read all the data (first 5 bytes will be from the cache)
    result = new byte[testData.length];
    read = cfis.read(result);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
}

Example 15 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readBytes_pastEndOfStream.

@Test
public void readBytes_pastEndOfStream() 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));
    byte[] result = new byte[testData.length];
    int read = cfis.read(result);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
    byte[] endOfStreamResult = new byte[testData.length];
    read = cfis.read(endOfStreamResult);
    assertEquals(-1, read);
    assertArrayEquals(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, endOfStreamResult);
}