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

Example 71 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method readBytes_withZeroOffset_allFromCache.

@Test
public void readBytes_withZeroOffset_allFromCache() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "hello";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // mark the position
    cfis.mark(Integer.MAX_VALUE);
    // read the data
    byte[] result = new byte[testData.length];
    int read = cfis.read(result, 0, testData.length);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
    // reset position to the mark
    cfis.reset();
    // attempt to reread the data (from the cache)
    result = new byte[testData.length];
    read = cfis.read(result, 0, testData.length);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
}

Example 72 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method readByte.

@Test
public void readByte() 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());
    // 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 73 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method available_onClosedStream.

@Test
public void available_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));
    cfis.close();
    assertEquals(0, cfis.available());
}

Example 74 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method available_onUnCachedStream.

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

Example 75 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method available_onPartiallyCachedStream.

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