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// created on 3/8/2005 at 5:02 PM
/*
* Copyright (c) 2005, Alexandros Frantzis (alf82 [at] freemail [dot] gr)
*
* This file is part of Bless.
*
* Bless is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Bless is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Bless; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
using NUnit.Framework;
using System;
using System.Threading;
using Bless.Buffers;
namespace BlessTests.Buffers {
[TestFixture]
public class ByteBufferTests {
[Test]
public void AppendDoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 5, 7, 13, 17};
bb.Append(ba, 0, ba.LongLength);
Assert.AreEqual(6, bb.Size);
Assert.AreEqual(1, bb[0]);
Assert.AreEqual(3, bb[1]);
Assert.AreEqual(5, bb[2]);
Assert.AreEqual(7, bb[3]);
Assert.AreEqual(13, bb[4]);
Assert.AreEqual(17, bb[5]);
}
[Test]
public void AppendUndoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 5, 7};
byte[] ba1 = {13, 17};
bb.Append(ba, 0, ba.LongLength);
bb.Append(ba1, 0, ba1.LongLength);
Assert.AreEqual(6, bb.Size, "#1");
Assert.AreEqual(3, bb[1], "#2");
Assert.AreEqual(17, bb[5], "#3");
bb.Undo();
Assert.AreEqual(4, bb.Size, "#4");
Assert.AreEqual(1, bb[0], "#5");
Assert.AreEqual(3, bb[1], "#6");
Assert.AreEqual(5, bb[2], "#7");
Assert.AreEqual(7, bb[3], "#8");
}
[Test]
public void InsertDoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 17};
byte[] ba1 = {5, 7, 13};
bb.Append(ba, 0, ba.LongLength);
//bb.Display("D1");
bb.Insert(2, ba1, 0, ba1.LongLength);
//bb.Display("D2");
Assert.AreEqual(6, bb.Size, "#1");
Assert.AreEqual(1, bb[0], "#2");
Assert.AreEqual(3, bb[1], "#3");
Assert.AreEqual(5, bb[2], "#4");
Assert.AreEqual(7, bb[3], "#5");
Assert.AreEqual(13, bb[4], "#6");
Assert.AreEqual(17, bb[5], "#7");
}
[Test]
public void InsertUndoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 17};
byte[] ba1 = {5, 7, 13};
bb.Append(ba, 0, ba.LongLength);
//bb.Display("D1");
bb.Insert(2, ba1, 0, ba1.LongLength);
//bb.Display("D2");
Assert.AreEqual(6, bb.Size, "#1");
Assert.AreEqual(3, bb[1], "#2");
Assert.AreEqual(17, bb[5], "#3");
bb.Undo();
//bb.Display("D3");
Assert.AreEqual(3, bb.Size, "#4");
Assert.AreEqual(1, bb[0], "#5");
Assert.AreEqual(3, bb[1], "#6");
Assert.AreEqual(17, bb[2], "#7");
}
[Test]
public void DeleteDoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 17};
byte[] ba1 = {5, 7, 13};
bb.Append(ba, 0, ba.LongLength);
//bb.Display("D1");
bb.Insert(2, ba1, 0, ba1.LongLength);
//bb.Display("D2");
bb.Delete(1, 3);
Assert.AreEqual(3, bb.Size, "#1");
Assert.AreEqual(1, bb[0], "#2");
Assert.AreEqual(13, bb[1], "#3");
Assert.AreEqual(17, bb[2], "#4");
}
[Test]
public void DeleteUndoTest() {
ByteBuffer bb = new ByteBuffer();
byte[] ba = {1, 3, 17};
byte[] ba1 = {5, 7, 13};
bb.Append(ba, 0, ba.LongLength);
//bb.Display("D1");
bb.Insert(2, ba1, 0, ba1.LongLength);
//bb.Display("D2");
bb.Delete(1, 3);
Assert.AreEqual(3, bb.Size, "#1");
Assert.AreEqual(1, bb[0], "#2");
Assert.AreEqual(13, bb[1], "#3");
Assert.AreEqual(17, bb[2], "#4");
bb.Undo();
Assert.AreEqual(6, bb.Size, "#5");
Assert.AreEqual(1, bb[0], "#6");
Assert.AreEqual(3, bb[1], "#7");
Assert.AreEqual(5, bb[2], "#8");
Assert.AreEqual(7, bb[3], "#9");
Assert.AreEqual(13, bb[4], "#10");
Assert.AreEqual(17, bb[5], "#11");
}
[Test]
public void FileLoadTest1() {
ByteBuffer bb = ByteBuffer.FromFile("test1.bin");
long size = bb.Size;
int sum = 0;
for (int i = 0; i < size; i++)
sum ^= bb[i];
Assert.AreEqual( 0x88, sum, "XOR Result");
}
[Test]
public void FileLoadTest2() {
ByteBuffer bb = ByteBuffer.FromFile("test1.bin");
byte[] ba = {0x41, 0x61};
bb.Append(ba, 0, ba.LongLength);
long size = bb.Size;
int sum = 0;
for (int i = 0; i < size; i++)
sum ^= bb[i];
Assert.AreEqual( 0x88 ^ 0x20, sum);
}
[Test]
public void FileLoadTest3() {
ByteBuffer bb = ByteBuffer.FromFile("test1.bin");
byte[] ba = {0x41, 0x61};
bb.Insert(768, ba, 0, ba.LongLength);
long size = bb.Size;
int sum = 0;
for (int i = 0; i < size; i++)
sum ^= bb[i];
Assert.AreEqual( 0x88 ^ 0x20, sum);
}
[Test]
[Ignore("It fails, perhaps because it is run from nunit")]
public void FileSaveTest1() {
ByteBuffer bb = ByteBuffer.FromFile("test1.bin");
byte[] ba = {0x41, 0x61};
long size1 = bb.Size;
bb.Insert(768, ba, 0, ba.LongLength);
Assert.AreEqual(size1 + 2, bb.Size, "#1");
IAsyncResult ar = bb.BeginSaveAs("test2.bin", null, null);
ar.AsyncWaitHandle.WaitOne();
bb.CloseFile();
ByteBuffer bb1 = ByteBuffer.FromFile("test2.bin");
Assert.AreEqual(bb.Size, bb1.Size, "#2");
long size = bb1.Size;
for (int i = 0; i < size; i++) {
if (bb1[i] != bb[i])
Assert.Fail(string.Format("#3 Difference at {0} ({1}!={2})", i, bb1[i], bb[i]));
}
}
[Test]
public void HasChangedTest()
{
ByteBuffer bb = new ByteBuffer();
byte[] ba = {0x41, 0x61};
Assert.AreEqual(false, bb.HasChanged, "#0");
bb.Append(ba, 0, ba.LongLength);
Assert.AreEqual(true, bb.HasChanged, "#1");
bb.Undo();
Assert.AreEqual(false, bb.HasChanged, "#2");
}
[Test]
public void InsertEmptyUndoTest()
{
ByteBuffer bb = new ByteBuffer();
byte[] ba = {0x01, 0x02, 0xfe, 0xff};
byte[] baEmpty = new byte[0];
bb.Append(ba, 0, ba.LongLength);
bb.Insert(2, baEmpty, 0, baEmpty.LongLength);
Assert.AreEqual(4, bb.Size, "#Size before undo");
Assert.AreEqual(0x01, bb[0], "#bb[0] before undo");
Assert.AreEqual(0x02, bb[1], "#bb[1] before undo");
Assert.AreEqual(0xfe, bb[2], "#bb[2] before undo");
Assert.AreEqual(0xff, bb[3], "#bb[3] before undo");
bb.Undo();
Assert.AreEqual(4, bb.Size, "#Size after undo");
Assert.AreEqual(0x01, bb[0], "#bb[0] after undo");
Assert.AreEqual(0x02, bb[1], "#bb[1] after undo");
Assert.AreEqual(0xfe, bb[2], "#bb[2] after undo");
Assert.AreEqual(0xff, bb[3], "#bb[3] after undo");
}
[Test]
public void AppendEmptyUndoTest()
{
ByteBuffer bb = new ByteBuffer();
byte[] ba = {0x01, 0x02, 0xfe, 0xff};
byte[] baEmpty = new byte[0];
bb.Append(ba, 0, ba.LongLength);
bb.Append(baEmpty, 0, baEmpty.LongLength);
Assert.AreEqual(4, bb.Size, "#Size before undo");
Assert.AreEqual(0x01, bb[0], "#bb[0] before undo");
Assert.AreEqual(0x02, bb[1], "#bb[1] before undo");
Assert.AreEqual(0xfe, bb[2], "#bb[2] before undo");
Assert.AreEqual(0xff, bb[3], "#bb[3] before undo");
bb.Undo();
Assert.AreEqual(4, bb.Size, "#Size after undo");
Assert.AreEqual(0x01, bb[0], "#bb[0] after undo");
Assert.AreEqual(0x02, bb[1], "#bb[1] after undo");
Assert.AreEqual(0xfe, bb[2], "#bb[2] after undo");
Assert.AreEqual(0xff, bb[3], "#bb[3] after undo");
}
[Test]
public void ActionChainingTest()
{
ByteBuffer bb = new ByteBuffer();
byte[] ba1 = {0x01, 0x04};
byte[] ba2 = {0x02, 0x03};
byte[] ba3 = {0x05, 0x06};
byte[] ba4 = {0x07, 0x08};
bb.BeginActionChaining();
bb.Append(ba1, 0, ba1.LongLength);
bb.Insert(1, ba2, 0, ba2.LongLength);
bb.EndActionChaining();
Assert.AreEqual(4, bb.Size, "#1");
Assert.IsTrue(bb.CanUndo, "#2");
bb.Undo();
Assert.AreEqual(0, bb.Size, "#3");
Assert.IsFalse(bb.CanUndo, "#4");
bb.Redo();
bb.BeginActionChaining();
bb.Append(ba4, 0, ba4.LongLength);
bb.Insert(4, ba3, 0, ba3.LongLength);
bb.EndActionChaining();
Assert.AreEqual(8, bb.Size, "#5");
Assert.IsTrue(bb.CanUndo, "#6");
bb.Undo();
Assert.AreEqual(4, bb.Size, "#7");
Assert.IsTrue(bb.CanUndo, "#8");
}
[Test]
public void LimitedUndoTest()
{
ByteBuffer bb = new ByteBuffer();
bb.MaxUndoActions = 3;
byte[] ba1 = {0x01, 0x04};
byte[] ba2 = {0x02, 0x03};
byte[] ba3 = {0x05, 0x06};
byte[] ba4 = {0x07, 0x08};
bb.Append(ba1, 0, ba1.LongLength);
bb.Insert(1, ba2, 0, ba2.LongLength);
bb.Append(ba4, 0, ba4.LongLength);
bb.Insert(4, ba3, 0, ba3.LongLength);
Assert.AreEqual(true, bb.CanUndo, "#1");
bb.Undo();
Assert.AreEqual(true, bb.CanUndo, "#2");
bb.Undo();
Assert.AreEqual(true, bb.CanUndo, "#3");
bb.Undo();
Assert.AreEqual(false, bb.CanUndo, "#4");
Assert.AreEqual(2, bb.Size, "#5");
Assert.AreEqual(0x01, bb[0], "#6");
Assert.AreEqual(0x04, bb[1], "#7");
bb.Redo();
bb.Redo();
bb.Redo();
Assert.AreEqual(8, bb.Size, "#8");
bb.MaxUndoActions = 2;
bb.Undo();
Assert.AreEqual(6, bb.Size, "#8.5");
Assert.AreEqual(true, bb.CanUndo, "#9");
bb.Undo();
Assert.AreEqual(false, bb.CanUndo, "#10");
Assert.AreEqual(4, bb.Size, "#11");
}
}
} // end namespace
|
