| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.client.util; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class InputStreamContentProviderTest |
| { |
| @Test |
| public void testHasNextFalseThenNext() |
| { |
| final AtomicBoolean closed = new AtomicBoolean(); |
| InputStream stream = new InputStream() |
| { |
| @Override |
| public int read() throws IOException |
| { |
| return -1; |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| super.close(); |
| closed.compareAndSet(false, true); |
| } |
| }; |
| |
| InputStreamContentProvider provider = new InputStreamContentProvider(stream); |
| Iterator<ByteBuffer> iterator = provider.iterator(); |
| |
| Assert.assertNotNull(iterator); |
| Assert.assertFalse(iterator.hasNext()); |
| |
| try |
| { |
| iterator.next(); |
| Assert.fail(); |
| } |
| catch (NoSuchElementException expected) |
| { |
| } |
| |
| Assert.assertFalse(iterator.hasNext()); |
| Assert.assertTrue(closed.get()); |
| } |
| |
| @Test |
| public void testStreamWithContentThenNextThenNext() |
| { |
| final AtomicBoolean closed = new AtomicBoolean(); |
| ByteArrayInputStream stream = new ByteArrayInputStream(new byte[]{1}) |
| { |
| @Override |
| public void close() throws IOException |
| { |
| super.close(); |
| closed.compareAndSet(false, true); |
| } |
| }; |
| |
| InputStreamContentProvider provider = new InputStreamContentProvider(stream); |
| Iterator<ByteBuffer> iterator = provider.iterator(); |
| |
| Assert.assertNotNull(iterator); |
| |
| ByteBuffer buffer = iterator.next(); |
| |
| Assert.assertNotNull(buffer); |
| |
| try |
| { |
| iterator.next(); |
| Assert.fail(); |
| } |
| catch (NoSuchElementException expected) |
| { |
| } |
| |
| Assert.assertFalse(iterator.hasNext()); |
| Assert.assertTrue(closed.get()); |
| } |
| |
| @Test |
| public void testStreamWithExceptionThenNext() |
| { |
| final AtomicBoolean closed = new AtomicBoolean(); |
| InputStream stream = new InputStream() |
| { |
| @Override |
| public int read() throws IOException |
| { |
| throw new IOException(); |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| super.close(); |
| closed.compareAndSet(false, true); |
| } |
| }; |
| |
| InputStreamContentProvider provider = new InputStreamContentProvider(stream); |
| Iterator<ByteBuffer> iterator = provider.iterator(); |
| |
| Assert.assertNotNull(iterator); |
| |
| try |
| { |
| iterator.next(); |
| Assert.fail(); |
| } |
| catch (NoSuchElementException expected) |
| { |
| } |
| |
| Assert.assertFalse(iterator.hasNext()); |
| Assert.assertTrue(closed.get()); |
| } |
| |
| @Test |
| public void testHasNextWithExceptionThenNext() |
| { |
| final AtomicBoolean closed = new AtomicBoolean(); |
| InputStream stream = new InputStream() |
| { |
| @Override |
| public int read() throws IOException |
| { |
| throw new IOException(); |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| super.close(); |
| closed.compareAndSet(false, true); |
| } |
| }; |
| |
| InputStreamContentProvider provider = new InputStreamContentProvider(stream); |
| Iterator<ByteBuffer> iterator = provider.iterator(); |
| |
| Assert.assertNotNull(iterator); |
| Assert.assertTrue(iterator.hasNext()); |
| |
| try |
| { |
| iterator.next(); |
| Assert.fail(); |
| } |
| catch (NoSuchElementException expected) |
| { |
| } |
| |
| Assert.assertFalse(iterator.hasNext()); |
| Assert.assertTrue(closed.get()); |
| } |
| } |