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

Example 36 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readByte_onClosedStream.

@Test(expected = IOException.class)
public void readByte_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));
    assertEquals(testData[0], cfis.read());
    cfis.close();
    // should cause IOException
    cfis.read();
}

Example 37 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onCachedStream.

@Test
public void available_onCachedStream() 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 for later reset
    cfis.mark(Integer.MAX_VALUE);
    for (int i = 0; i < testData.length; i++) {
        cfis.read();
    }
    // return to the start of the stream
    cfis.reset();
    assertEquals(testData.length, cfis.available());
}

Example 38 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readByte.

@Test
public void readByte() 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 the first 3 bytes
    assertEquals(testData[0], cfis.read());
    assertEquals(testData[1], cfis.read());
    assertEquals(testData[2], cfis.read());
    // mark position
    cfis.mark(Integer.MAX_VALUE);
    // read the next 3 bytes
    assertEquals(testData[3], cfis.read());
    assertEquals(testData[4], cfis.read());
    assertEquals(testData[5], cfis.read());
    // reset position to the mark
    cfis.reset();
    // attempt to reread the last 3 bytes from the mark (from the cache)
    assertEquals(testData[3], cfis.read());
    assertEquals(testData[4], cfis.read());
    assertEquals(testData[5], cfis.read());
    // read the next 2 bytes past the reset mark (past the cache, e.g. from src)
    assertEquals(testData[6], cfis.read());
    assertEquals(testData[7], cfis.read());
    // reset position to the mark
    cfis.reset();
    // attempt to read the last 5 bytes (from the cache)
    assertEquals(testData[3], cfis.read());
    assertEquals(testData[4], cfis.read());
    assertEquals(testData[5], cfis.read());
    assertEquals(testData[6], cfis.read());
    assertEquals(testData[7], cfis.read());
    // mark position
    cfis.mark(-1);
    // read the next 2 bytes past the reset mark (past the cache, e.g. from src)
    assertEquals(testData[8], cfis.read());
    assertEquals(testData[9], cfis.read());
    // reset position to the mark
    cfis.reset();
    // attempt to reread the last 2 bytes from the mark (from the cache)
    assertEquals(testData[8], cfis.read());
    assertEquals(testData[9], cfis.read());
}

Example 39 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method skip.

@Test
public void skip() 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 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 40 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readBytes_pastEndOfStream_fromCache.

@Test
public void readBytes_pastEndOfStream_fromCache() 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.mark(Integer.MAX_VALUE);
    // read first two bytes from stream
    byte[] result = new byte[2];
    int read = cfis.read(result);
    assertEquals(2, read);
    assertArrayEquals(subArray(testData, 2), result);
    cfis.reset();
    // read all bytes from cache and src, +1 past end of stream
    byte[] endOfStreamResult = new byte[testData.length + 1];
    read = cfis.read(endOfStreamResult);
    byte[] expectedResult = new byte[testData.length + 1];
    System.arraycopy(testData, 0, expectedResult, 0, testData.length);
    assertEquals(testData.length, read);
    assertArrayEquals(expectedResult, endOfStreamResult);
    // 2nd attempt to read past end of stream
    read = cfis.read(result);
    assertEquals(-1, read);
}