public virtual void TestAddTwo()
{
Edit e1 = new Edit(1, 2, 1, 1);
Edit e2 = new Edit(8, 8, 8, 12);
EditList l = new EditList();
Extensions.AddItem(l, e1);
Extensions.AddItem(l, e2);
NUnit.Framework.Assert.AreEqual(2, l.Count);
NUnit.Framework.Assert.AreSame(e1, l[0]);
NUnit.Framework.Assert.AreSame(e2, l[1]);
Iterator <Edit> i = Extensions.Iterator(l);
NUnit.Framework.Assert.AreSame(e1, i.Next());
NUnit.Framework.Assert.AreSame(e2, i.Next());
NUnit.Framework.Assert.AreEqual(l, l);
NUnit.Framework.Assert.IsFalse(l.Equals(new EditList()));
EditList l2 = new EditList();
Extensions.AddItem(l2, e1);
Extensions.AddItem(l2, e2);
NUnit.Framework.Assert.AreEqual(l2, l);
NUnit.Framework.Assert.AreEqual(l, l2);
NUnit.Framework.Assert.AreEqual(AList <Edit> .GetHashCode(l), AList <Edit> .GetHashCode(l2));
}
public virtual void TestSet()
{
Edit e1 = new Edit(1, 2, 1, 1);
Edit e2 = new Edit(3, 4, 3, 3);
EditList l = new EditList();
Extensions.AddItem(l, e1);
NUnit.Framework.Assert.AreSame(e1, l[0]);
NUnit.Framework.Assert.AreSame(e1, Extensions.Set(l, 0, e2));
NUnit.Framework.Assert.AreSame(e2, l[0]);
}
public virtual void TestRemove()
{
Edit e1 = new Edit(1, 2, 1, 1);
Edit e2 = new Edit(8, 8, 8, 12);
EditList l = new EditList();
Extensions.AddItem(l, e1);
Extensions.AddItem(l, e2);
l.Remove(e1);
NUnit.Framework.Assert.AreEqual(1, l.Count);
NUnit.Framework.Assert.AreSame(e2, l[0]);
}
internal virtual void DiffReplace(Edit r)
{
Edit lcs = new HistogramDiffIndex <S>(this._enclosing.maxChainLength, this.cmp, this
.a, this.b, r).FindLongestCommonSequence();
if (lcs != null)
{
// If we were given an edit, we can prove a result here.
//
if (lcs.IsEmpty())
{
// An empty edit indicates there is nothing in common.
// Replace the entire region.
//
Extensions.AddItem(this.edits, r);
}
else
{
this.Diff(r.Before(lcs));
this.Diff(r.After(lcs));
}
}
else
{
if (this._enclosing.fallback is LowLevelDiffAlgorithm)
{
LowLevelDiffAlgorithm fb = (LowLevelDiffAlgorithm)this._enclosing.fallback;
fb.DiffNonCommon(this.edits, this.cmp, this.a, this.b, r);
}
else
{
if (this._enclosing.fallback != null)
{
SubsequenceComparator <HashedSequence <S> > cs = this.Subcmp();
Subsequence <HashedSequence <S> > @as = Subsequence <S> .A(this.a, r);
Subsequence <HashedSequence <S> > bs = Subsequence <S> .B(this.b, r);
EditList res = this._enclosing.fallback.DiffNonCommon(cs, @as, bs);
Sharpen.Collections.AddAll(this.edits, Subsequence <S> .ToBase(res, @as, bs));
}
else
{
Extensions.AddItem(this.edits, r);
}
}
}
}
public virtual void TestAddOne()
{
Edit e = new Edit(1, 2, 1, 1);
EditList l = new EditList();
Extensions.AddItem(l, e);
NUnit.Framework.Assert.AreEqual(1, l.Count);
NUnit.Framework.Assert.IsFalse(Extensions.IsEmpty(l));
NUnit.Framework.Assert.AreSame(e, l[0]);
NUnit.Framework.Assert.AreSame(e, Extensions.Iterator(l).Next());
NUnit.Framework.Assert.AreEqual(l, l);
NUnit.Framework.Assert.IsFalse(l.Equals(new EditList()));
EditList l2 = new EditList();
Extensions.AddItem(l2, e);
NUnit.Framework.Assert.AreEqual(l2, l);
NUnit.Framework.Assert.AreEqual(l, l2);
NUnit.Framework.Assert.AreEqual(AList <Edit> .GetHashCode(l), AList <Edit> .GetHashCode(l2));
}
private void Diff(Edit r)
{
switch (r.GetType())
{
case Edit.Type.INSERT:
case Edit.Type.DELETE:
{
Extensions.AddItem(this.edits, r);
break;
}
case Edit.Type.REPLACE:
{
this.DiffReplace(r);
break;
}
case Edit.Type.EMPTY:
default:
{
throw new InvalidOperationException();
}
}
}
/// <summary>Construct an edit list containing a single edit.</summary>
/// <remarks>Construct an edit list containing a single edit.</remarks>
/// <param name="edit">the edit to return in the list.</param>
/// <returns>
/// list containing only
/// <code>edit</code>
/// .
/// </returns>
public static NGit.Diff.EditList Singleton(Edit edit)
{
NGit.Diff.EditList res = new NGit.Diff.EditList(1);
Extensions.AddItem(res, edit);
return(res);
}
