/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.harmony.luni.tests.java.io;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.PushbackInputStream;
import junit.framework.TestCase;
public class PushBackInputStreamTest extends TestCase {
/*
* @tests java.io.PushBackInputStream(InputStream)
*/
public void test_ConstructorLjava_io_InputStream() {
try {
PushbackInputStream str = new PushbackInputStream(null);
str.read();
fail("Expected IOException");
} catch (IOException e) {
// Expected
}
}
/*
* @tests java.io.PushBackInputStream(InputStream, int)
*/
public void test_ConstructorLjava_io_InputStreamL() {
try {
PushbackInputStream str = new PushbackInputStream(null, 1);
str.read();
fail("Expected IOException");
} catch (IOException e) {
// Expected
}
}
/**
* @tests java.io.PushbackInputStream#unread(byte[], int, int)
*/
public void test_unread$BII() {
// Regression for HARMONY-49
try {
PushbackInputStream pb = new PushbackInputStream(
new ByteArrayInputStream(new byte[] { 0 }), 2);
pb.unread(new byte[1], 0, 5);
fail("Assert 0: should throw IOE");
} catch (IOException e) {
// expected
}
}
public void test_reset() {
PushbackInputStream pb = new PushbackInputStream(
new ByteArrayInputStream(new byte[] { 0 }), 2);
try {
pb.reset();
fail("Should throw IOException");
} catch (IOException e) {
// expected
}
}
public void test_mark() {
PushbackInputStream pb = new PushbackInputStream(
new ByteArrayInputStream(new byte[] { 0 }), 2);
pb.mark(Integer.MAX_VALUE);
pb.mark(0);
pb.mark(-1);
pb.mark(Integer.MIN_VALUE);
}
}