| // Copyright 2011 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.enterprise.adaptor; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * Tests for {@link FastFilterOutputStream}. |
| */ |
| public class FastFilterOutputStreamTest { |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| @Test |
| public void testNullOutputStream() { |
| thrown.expect(NullPointerException.class); |
| new FastFilterOutputStream(null); |
| } |
| |
| @Test |
| public void testEmptyConstructor() { |
| boolean isOutNull = new FastFilterOutputStream() { |
| public boolean isOutNull() { |
| return out == null; |
| } |
| }.isOutNull(); |
| assertTrue(isOutNull); |
| } |
| |
| @Test |
| public void testClose() throws Exception { |
| final AtomicBoolean closed = new AtomicBoolean(); |
| OutputStream os = new FastFilterOutputStream(new UnsupportedOutputStream() { |
| @Override |
| public void close() { |
| closed.set(true); |
| } |
| }); |
| os.close(); |
| assertTrue(closed.get()); |
| } |
| |
| @Test |
| public void testFlush() throws Exception { |
| final AtomicBoolean flushed = new AtomicBoolean(); |
| OutputStream os = new FastFilterOutputStream(new UnsupportedOutputStream() { |
| @Override |
| public void flush() { |
| flushed.set(true); |
| } |
| }); |
| os.flush(); |
| assertTrue(flushed.get()); |
| } |
| |
| @Test |
| public void testWrite() throws Exception { |
| final AtomicBoolean written = new AtomicBoolean(); |
| final ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| OutputStream os = new FastFilterOutputStream(new UnsupportedOutputStream() { |
| @Override |
| public void write(byte[] b, int off, int len) { |
| baos.write(b, off, len); |
| written.set(true); |
| } |
| }); |
| os.write(new byte[] {1, 0}, 1, 1); |
| assertTrue(written.get()); |
| |
| written.set(false); |
| os.write(new byte[] {1}); |
| assertTrue(written.get()); |
| |
| written.set(false); |
| os.write(2); |
| assertTrue(written.get()); |
| |
| assertArrayEquals(new byte[] {0, 1, 2}, baos.toByteArray()); |
| } |
| |
| private static class UnsupportedOutputStream extends OutputStream { |
| @Override |
| public void close() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void write(byte[] b, int off, int len) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void write(byte[] b) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void write(int b) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |