public void TestSplit()
{
TextFile primary = new TextFile();
primary.AddLines(new[] { "a", "b", "c", "d", "e", "f" });
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddAdded(4, 2);
Modification[] splited = modifications[1].Split(1); // неверный индекс
Assert.AreEqual(splited.Length, 1);
Assert.AreSame(splited[0], modifications[1]);
splited = modifications[1].Split(2); // граничный индекс
Assert.AreEqual(splited.Length, 1);
Assert.AreSame(splited[0], modifications[1]);
splited = modifications[1].Split(3); // индекс в середине
Assert.AreEqual(splited.Length, 2);
}
public void TestFindModificationByPrimaryIndex()
{
TextFile primary = new TextFile();
primary.AddLines(new[] { "a", "b", "c", "d", "e", "f" });
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddNoChanged(4, 2);
Modification wanted = modifications.FindModificationByPrimaryIndex(1);
Assert.AreEqual(wanted.Index, 0);
wanted = modifications.FindModificationByPrimaryIndex(3);
Assert.AreEqual(wanted.Index, 1);
wanted = modifications.FindModificationByPrimaryIndex(4);
Assert.AreEqual(wanted.Index, 2);
wanted = modifications.FindModificationByPrimaryIndex(5);
Assert.AreEqual(wanted.Index, 2);
}
public void TestSplit()
{
TextFile primary = new TextFile();
primary.AddLines(new[] { "a", "b", "c", "d", "e", "f" });
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddAdded(4, 2);
Modification[] splited = modifications[1].Split(1); // неверный индекс
Assert.AreEqual(splited.Length, 1);
Assert.AreSame(splited[0], modifications[1]);
splited = modifications[1].Split(2); // граничный индекс
Assert.AreEqual(splited.Length, 1);
Assert.AreSame(splited[0], modifications[1]);
splited = modifications[1].Split(3); // индекс в середине
Assert.AreEqual(splited.Length, 2);
}
public void TestFindModificationByPrimaryIndex()
{
TextFile primary = new TextFile();
primary.AddLines(new[] {"a","b","c","d","e","f"});
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddNoChanged(4, 2);
Modification wanted = modifications.FindModificationByPrimaryIndex(1);
Assert.AreEqual(wanted.Index, 0);
wanted = modifications.FindModificationByPrimaryIndex(3);
Assert.AreEqual(wanted.Index, 1);
wanted = modifications.FindModificationByPrimaryIndex(4);
Assert.AreEqual(wanted.Index, 2);
wanted = modifications.FindModificationByPrimaryIndex(5);
Assert.AreEqual(wanted.Index, 2);
}
public void TestSplit()
{
TextFile primary = new TextFile();
primary.AddLines(new[] { "a", "b", "c", "d", "e", "f" });
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddAdded(4, 2);
modifications.Split(3); // индекс в середине
Assert.AreEqual(modifications.Count, 4);
}
public void TestSplit()
{
TextFile primary = new TextFile();
primary.AddLines(new[] { "a", "b", "c", "d", "e", "f" });
TextFile secondary = new TextFile();
secondary.AddLines(new[] { "1", "2", "3", "4", "5", "6" });
ModificationCollection modifications = new ModificationCollection(primary, secondary);
modifications.AddNoChanged(0, 2);
modifications.AddReplaced(2, 0, 2);
modifications.AddAdded(4, 2);
modifications.Split(3); // индекс в середине
Assert.AreEqual(modifications.Count, 4);
}
private bool DetermineModification(int primaryStart, int primaryEnd, int secondaryStart, int secondaryEnd, ModificationCollection modifications)
{
bool result = false;
int primaryLength = primaryEnd - primaryStart;
int secondaryLength = secondaryEnd - secondaryStart;
if (secondaryLength > 0)
{
if (primaryLength > 0)
{
var minLength = Math.Min(secondaryLength, primaryLength);
modifications.AddReplaced(primaryStart, secondaryStart, minLength);
if (secondaryLength > primaryLength)
{
secondaryStart += minLength;
modifications.AddAdded(secondaryStart, secondaryLength - primaryLength);
}
else
{
if (primaryLength > secondaryLength)
{
primaryStart += minLength;
modifications.AddRemoved(primaryStart, primaryLength - secondaryLength);
}
}
}
else
{
modifications.AddAdded(secondaryStart, secondaryLength);
}
result = true;
}
else
{
if (primaryLength > 0)
{
modifications.AddRemoved(primaryStart, primaryLength);
result = true;
}
}
return(result);
}
private bool DetermineModification(int primaryStart, int primaryEnd, int secondaryStart, int secondaryEnd, ModificationCollection modifications)
{
bool result = false;
int primaryLength = primaryEnd - primaryStart;
int secondaryLength = secondaryEnd - secondaryStart;
if (secondaryLength > 0)
{
if (primaryLength > 0)
{
var minLength = Math.Min(secondaryLength, primaryLength);
modifications.AddReplaced(primaryStart, secondaryStart, minLength);
if (secondaryLength > primaryLength)
{
secondaryStart += minLength;
modifications.AddAdded(secondaryStart, secondaryLength - primaryLength);
}
else
{
if (primaryLength > secondaryLength)
{
primaryStart += minLength;
modifications.AddRemoved(primaryStart, primaryLength - secondaryLength);
}
}
}
else
{
modifications.AddAdded(secondaryStart, secondaryLength);
}
result = true;
}
else
{
if (primaryLength > 0)
{
modifications.AddRemoved(primaryStart, primaryLength);
result = true;
}
}
return result;
}
