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Example 41 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method readByte_pastEndOfStream_fromCache.

@Test
public void readByte_pastEndOfStream_fromCache() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "he";
    final byte[] testData = testString.getBytes();
    InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    cfis.mark(Integer.MAX_VALUE);
    assertEquals(testData[0], cfis.read());
    assertEquals(testData[1], cfis.read());
    cfis.reset();
    assertEquals(testData[0], cfis.read());
    assertEquals(testData[1], cfis.read());
    // read byte past end of cache
    int b = cfis.read();
    assertEquals(-1, b);
}
Also used : UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) InputStream(java.io.InputStream) UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) Test(org.junit.Test)

Example 42 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onPartiallyReadStream.

@Test
public void available_onPartiallyReadStream() 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();
    assertEquals(testData.length - 2, cfis.available());
}
Also used : UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) InputStream(java.io.InputStream) UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) Test(org.junit.Test)

Example 43 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method skip_correctlyAdjustsSrcOffset_onSharedCache.

@Test
public void skip_correctlyAdjustsSrcOffset_onSharedCache() throws InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException, IOException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final FilterInputStreamCache cache = getNewCache(is);
    final CachingFilterInputStream cfis1 = new CachingFilterInputStream(cache);
    final CachingFilterInputStream cfis2 = new CachingFilterInputStream(cache);
    assertEquals(0, cfis1.offset());
    final long skipped1 = cfis1.skip(5);
    assertEquals(5, skipped1);
    assertEquals(5, cfis1.offset());
    assertEquals(0, cfis2.offset());
    final long skipped2 = cfis2.skip(5);
    assertEquals(5, skipped2);
    assertEquals(5, cfis2.offset());
}
Also used : UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) InputStream(java.io.InputStream) UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) Test(org.junit.Test)

Example 44 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onPartiallyCachedStream.

@Test
public void available_onPartiallyCachedStream() 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);
    // read first 2 bytes
    cfis.read();
    cfis.read();
    // return to the start of the stream
    cfis.reset();
    assertEquals(testData.length, cfis.available());
}
Also used : UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) InputStream(java.io.InputStream) UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) Test(org.junit.Test)

Example 45 with UnsynchronizedByteArrayInputStream

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

the class CachingFilterInputStreamTest method available_onOffsetCachedStream.

@Test
public void available_onOffsetCachedStream() 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);
    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());
}
Also used : UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) InputStream(java.io.InputStream) UnsynchronizedByteArrayInputStream(org.apache.commons.io.input.UnsynchronizedByteArrayInputStream) Test(org.junit.Test)

Aggregations

UnsynchronizedByteArrayInputStream (org.apache.commons.io.input.UnsynchronizedByteArrayInputStream)114 InputStream (java.io.InputStream)102 Test (org.junit.Test)93 MarkShieldInputStream (org.apache.commons.io.input.MarkShieldInputStream)31 UnsynchronizedByteArrayOutputStream (org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream)10 IOException (java.io.IOException)8 FilterInputStream (java.io.FilterInputStream)7 CachingFilterInputStream (org.exist.util.io.CachingFilterInputStream)7 XMLResource (org.xmldb.api.modules.XMLResource)6 DBBroker (org.exist.storage.DBBroker)5 Txn (org.exist.storage.txn.Txn)5 Element (org.w3c.dom.Element)4 Collection (org.xmldb.api.base.Collection)4 NodeProxy (org.exist.dom.persistent.NodeProxy)3 PermissionDeniedException (org.exist.security.PermissionDeniedException)3 DigestInputStream (org.exist.util.crypto.digest.DigestInputStream)3 Base64BinaryValueType (org.exist.xquery.value.Base64BinaryValueType)3 BooleanValue (org.exist.xquery.value.BooleanValue)3 DoubleValue (org.exist.xquery.value.DoubleValue)3 StringValue (org.exist.xquery.value.StringValue)3