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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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 android.core;
import junit.framework.TestCase;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import android.test.suitebuilder.annotation.SmallTest;
/**
* Tests to verify that simple functionality works for BufferedInputStreams.
*/
public class BufferedInputStreamTest extends TestCase {
@SmallTest
public void testBufferedInputStream() throws Exception {
String str = "AbCdEfGhIjKlM\nOpQrStUvWxYz";
ByteArrayInputStream aa = new ByteArrayInputStream(str.getBytes());
ByteArrayInputStream ba = new ByteArrayInputStream(str.getBytes());
ByteArrayInputStream ca = new ByteArrayInputStream(str.getBytes());
ByteArrayInputStream da = new ByteArrayInputStream(str.getBytes());
ByteArrayInputStream ea = new ByteArrayInputStream(str.getBytes());
BufferedInputStream a = new BufferedInputStream(aa, 6);
try {
assertEquals(str, IOUtil.read(a));
} finally {
a.close();
}
BufferedInputStream b = new BufferedInputStream(ba, 7);
try {
assertEquals("AbCdEfGhIj", IOUtil.read(b, 10));
} finally {
b.close();
}
BufferedInputStream c = new BufferedInputStream(ca, 9);
try {
assertEquals("bdfhjl\nprtvxz", IOUtil.skipRead(c));
} finally {
c.close();
}
BufferedInputStream d = new BufferedInputStream(da, 9);
try {
assertEquals('A', d.read());
d.mark(15);
assertEquals('b', d.read());
assertEquals('C', d.read());
d.reset();
assertEquals('b', d.read());
} finally {
d.close();
}
BufferedInputStream e = new BufferedInputStream(ea, 11);
try {
// test that we can ask for more than is present, and that we'll get
// back only what is there.
assertEquals(str, IOUtil.read(e, 10000));
} finally {
e.close();
}
}
}
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