| |
| /* ==================================================================== |
| 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.poi.util; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Title: Unit test for ByteField class |
| * Description: Unit test for ByteField class |
| * @author Marc Johnson (mjohnson at apache dot org) |
| */ |
| public final class TestByteField extends TestCase { |
| |
| private static final byte[] _test_array = |
| { |
| Byte.MIN_VALUE, ( byte ) -1, ( byte ) 0, ( byte ) 1, Byte.MAX_VALUE |
| }; |
| |
| public void testConstructors() { |
| try |
| { |
| new ByteField(-1); |
| fail("Should have caught ArrayIndexOutOfBoundsException"); |
| } |
| catch (ArrayIndexOutOfBoundsException ignored_e) |
| { |
| |
| // as expected |
| } |
| ByteField field = new ByteField(2); |
| |
| assertEquals(( byte ) 0, field.get()); |
| try |
| { |
| new ByteField(-1, ( byte ) 1); |
| fail("Should have caught ArrayIndexOutOfBoundsException"); |
| } |
| catch (ArrayIndexOutOfBoundsException ignored_e) |
| { |
| |
| // as expected |
| } |
| field = new ByteField(2, ( byte ) 3); |
| assertEquals(( byte ) 3, field.get()); |
| byte[] array = new byte[ 3 ]; |
| |
| try |
| { |
| new ByteField(-1, ( byte ) 1, array); |
| fail("Should have caught ArrayIndexOutOfBoundsException"); |
| } |
| catch (ArrayIndexOutOfBoundsException ignored_e) |
| { |
| |
| // as expected |
| } |
| field = new ByteField(2, ( byte ) 4, array); |
| assertEquals(( byte ) 4, field.get()); |
| assertEquals(( byte ) 4, array[ 2 ]); |
| array = new byte[ 2 ]; |
| try |
| { |
| new ByteField(2, ( byte ) 5, array); |
| fail("should have gotten ArrayIndexOutOfBoundsException"); |
| } |
| catch (ArrayIndexOutOfBoundsException ignored_e) |
| { |
| |
| // as expected |
| } |
| for (byte b : _test_array) { |
| array = new byte[ 1 ]; |
| new ByteField(0, b, array); |
| assertEquals(b, new ByteField(0, array).get()); |
| } |
| } |
| |
| public void testSet() { |
| ByteField field = new ByteField(0); |
| byte[] array = new byte[ 1 ]; |
| |
| for (int j = 0; j < _test_array.length; j++) |
| { |
| field.set(_test_array[ j ]); |
| assertEquals("testing _1 " + j, _test_array[ j ], field.get()); |
| field = new ByteField(0); |
| field.set(_test_array[ j ], array); |
| assertEquals("testing _2 ", _test_array[ j ], field.get()); |
| assertEquals("testing _3 ", _test_array[ j ], array[ 0 ]); |
| } |
| } |
| |
| public void testReadFromBytes() { |
| ByteField field = new ByteField(1); |
| byte[] array = new byte[ 1 ]; |
| |
| try |
| { |
| field.readFromBytes(array); |
| fail("should have caught ArrayIndexOutOfBoundsException"); |
| } |
| catch (ArrayIndexOutOfBoundsException ignored_e) |
| { |
| |
| // as expected |
| } |
| field = new ByteField(0); |
| for (int j = 0; j < _test_array.length; j++) |
| { |
| array[ 0 ] = _test_array[ j ]; |
| field.readFromBytes(array); |
| assertEquals("testing " + j, _test_array[ j ], field.get()); |
| } |
| } |
| |
| public void testReadFromStream() throws IOException { |
| ByteField field = new ByteField(0); |
| byte[] buffer = new byte[ _test_array.length ]; |
| |
| System.arraycopy(_test_array, 0, buffer, 0, buffer.length); |
| ByteArrayInputStream stream = new ByteArrayInputStream(buffer); |
| |
| for (int j = 0; j < buffer.length; j++) |
| { |
| field.readFromStream(stream); |
| assertEquals("Testing " + j, _test_array[ j ], field.get()); |
| } |
| } |
| |
| public void testWriteToBytes() { |
| ByteField field = new ByteField(0); |
| byte[] array = new byte[ 1 ]; |
| |
| for (byte b : _test_array) { |
| field.set(b); |
| field.writeToBytes(array); |
| assertEquals("testing ", b, array[ 0 ]); |
| } |
| } |
| } |