/*
* Copyright 2014, The Sporting Exchange Limited
*
* 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.betfair.cougar.util.stream;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import static junit.framework.Assert.assertEquals;
public class LimitedByteCountingInputStreamTest {
private byte[] source = "ABCDESGHIJKLMNOPQRSTUVWXYZ".getBytes();
@Test
public void testReadFullArray_UnderMaximum() throws Exception {
LimitedByteCountingInputStream bcis = new LimitedByteCountingInputStream(new ByteArrayInputStream(source), 1000);
int bytesRead = 0;
byte[] dst = new byte[8];
int c = 0;
while ((c = bcis.read(dst)) > 0) {
bytesRead += c;
assertEquals(bytesRead, bcis.getCount());
}
assertEquals(source.length, bcis.getCount());
}
@Test(expected = IOException.class)
public void testReadFullArray_OverMaximum() throws Exception {
LimitedByteCountingInputStream bcis = new LimitedByteCountingInputStream(new ByteArrayInputStream(source), 10);
int bytesRead = 0;
byte[] dst = new byte[8];
int c = 0;
while ((c = bcis.read(dst)) > 0) {
bytesRead += c;
assertEquals(bytesRead, bcis.getCount());
}
}
}