/*
* Copyright (c) 2008-2014 MongoDB, Inc.
*
* 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 org.bson;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import static org.hamcrest.CoreMatchers.hasItems;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
public class LazyBSONDecoderTest {
private BSONDecoder bsonDecoder;
@Before
public void setUp() {
bsonDecoder = new LazyBSONDecoder();
}
@Test
public void testDecodingFromInputStream() throws IOException {
InputStream is = new ByteArrayInputStream(new byte[]{12, 0, 0, 0, 16, 97, 0, 1, 0, 0, 0, 0});
BSONObject document = bsonDecoder.readObject(is);
assertNotNull(document);
assertThat(document, instanceOf(LazyBSONObject.class));
assertEquals(1, document.keySet().size());
assertThat(document.keySet(), hasItems("a"));
assertEquals(1, document.get("a"));
}
@Test
public void testDecodingFromByteArray() throws IOException {
byte[] bytes = new byte[]{12, 0, 0, 0, 16, 97, 0, 1, 0, 0, 0, 0};
BSONObject document = bsonDecoder.readObject(bytes);
assertNotNull(document);
assertThat(document, instanceOf(LazyBSONObject.class));
assertEquals(1, document.keySet().size());
assertThat(document.keySet(), hasItems("a"));
assertEquals(1, document.get("a"));
}
@Test(expected = BSONException.class)
public void testDecodingFromInvalidInput() {
byte[] bytes = new byte[]{16, 0, 0, 0, 16, 97, 0, 1, 0, 0, 0, 0};
bsonDecoder.readObject(bytes);
}
}