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System.Collections.Generic ISet<T> and IDictionary<T> (Fixes #53) #93

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System.Collections.Generic ISet<T> and IDictionary<T> (Fixes #53) #93

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390a384
Implemented SCG.IEqualityComparer<T> on C5.Tests.SC class
NightOwl888 Dec 31, 2019
9d1d9d5
Added SCG.ISet<T> to TreeSet<T> (fixes #53)
NightOwl888 Oct 28, 2019
6f0c429
Added SCG.IDictionary<K, V> to DictionaryBase<K, V> (#53)
NightOwl888 Dec 31, 2019
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13 changes: 12 additions & 1 deletion C5.Tests/SupportClasses.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,22 @@

namespace C5.Tests
{
internal class SC : SCG.IComparer<string>
internal class SC : SCG.IComparer<string>, SCG.IEqualityComparer<string>
{
public int Compare(string a, string b)
{
return a.CompareTo(b);
}

public bool Equals(string x, string y)
{
return StringComparer.Ordinal.Equals(x, y);
}

public int GetHashCode(string obj)
{
return StringComparer.Ordinal.GetHashCode(obj);
}

public void appl(String s)
{
Expand Down Expand Up @@ -167,6 +176,8 @@ public override SCG.IEnumerator<T> GetEnumerator()
throw exception;
}

public override bool IsReadOnly => true;

public override bool IsEmpty => false;

public override int Count => contents.Length + 1;
Expand Down
330 changes: 330 additions & 0 deletions C5.Tests/Templates/Set.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,330 @@
using NUnit.Framework;
using System;
using System.Collections.Generic;
using SCG = System.Collections.Generic;

namespace C5.Tests.Templates.Set
{
[TestFixture]
public abstract class SCG_ISetBase
{
private SCG.ISet<string> set;

[SetUp]
public void Init()
{
set = CreateSet(new SC(), "A", "C", "E");
}

[TearDown]
public void Dispose()
{
set = null;
}

public abstract ISet<string> CreateSet(IEqualityComparer<string> equalityComparer, params string[] values);

[Test]
public void Add()
{
Assert.IsTrue(set.Add("Z"));
Assert.AreEqual(4, set.Count);
Assert.IsTrue(set.Contains("Z"));
Assert.IsFalse(set.Add("A"));
}

[Test]
public virtual void ExceptWith()
{
set.ExceptWith(new SCG.List<string> { "C", "E", "Z" });
Assert.AreEqual(1, set.Count);
Assert.IsTrue(set.Contains("A"));
}

[Test]
public virtual void ExceptWith_SameEqualityComparer()
{
set.ExceptWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "Z" });
Assert.AreEqual(1, set.Count);
Assert.IsTrue(set.Contains("A"));
}

[Test]
public virtual void IntersectWith()
{
set.IntersectWith(new SCG.List<string> { "C", "E", "Z" });
Assert.AreEqual(2, set.Count);
Assert.IsTrue(set.Contains("C"));
Assert.IsTrue(set.Contains("E"));
}

[Test]
public virtual void IntersectWith_SameEqualityComparer()
{
set.IntersectWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "Z" });
Assert.AreEqual(2, set.Count);
Assert.IsTrue(set.Contains("C"));
Assert.IsTrue(set.Contains("E"));
}

[Test]
public virtual void IsProperSubsetOf()
{
Assert.IsFalse(set.IsProperSubsetOf(new SCG.List<string>()));
Assert.IsFalse(set.IsProperSubsetOf(new SCG.List<string> { "C", "E", "A" }));
Assert.IsTrue(set.IsProperSubsetOf(new SCG.List<string> { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsProperSubsetOf(new SCG.List<string> { "C", "Z" }));
set.Clear();
Assert.IsTrue(set.IsProperSubsetOf(new SCG.List<string> { "C", "A" }));
}

[Test]
public virtual void IsProperSubsetOf_SameEqualityComparer()
{
Assert.IsFalse(set.IsProperSubsetOf(new TreeSet<string>(new SC(), new SC())));
Assert.IsFalse(set.IsProperSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsTrue(set.IsProperSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsProperSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "Z" }));
set.Clear();
Assert.IsTrue(set.IsProperSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
}

[Test]
public virtual void IsProperSupersetOf()
{
Assert.IsTrue(set.IsProperSupersetOf(new SCG.List<string>()));
Assert.IsFalse(set.IsProperSupersetOf(new SCG.List<string> { "C", "E", "A" }));
Assert.IsTrue(set.IsProperSupersetOf(new SCG.List<string> { "C", "A" }));
Assert.IsFalse(set.IsProperSupersetOf(new SCG.List<string> { "C", "Z" }));
set.Clear();
Assert.IsFalse(set.IsProperSupersetOf(new SCG.List<string> { "C", "A" }));
}

[Test]
public virtual void IsProperSupersetOf_SameEqualityComparer()
{
Assert.IsTrue(set.IsProperSupersetOf(new TreeSet<string>(new SC(), new SC())));
Assert.IsFalse(set.IsProperSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsTrue(set.IsProperSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
Assert.IsFalse(set.IsProperSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "Z" }));
set.Clear();
Assert.IsFalse(set.IsProperSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
}

[Test]
public virtual void IsSubsetOf()
{
Assert.IsFalse(set.IsSubsetOf(new SCG.List<string>()));
Assert.IsTrue(set.IsSubsetOf(new SCG.List<string> { "C", "E", "A" }));
Assert.IsTrue(set.IsSubsetOf(new SCG.List<string> { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsSubsetOf(new SCG.List<string> { "C", "Z" }));
Assert.IsFalse(set.IsSubsetOf(new SCG.List<string> { "C", "A", "Z" }));
set.Clear();
Assert.IsTrue(set.IsSubsetOf(new SCG.List<string> { "C", "A" }));
}

[Test]
public virtual void IsSubsetOf_SameEqualityComparer()
{
Assert.IsFalse(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC())));
Assert.IsTrue(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsTrue(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "Z" }));
Assert.IsFalse(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A", "Z" }));
set.Clear();
Assert.IsTrue(set.IsSubsetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
}

[Test]
public virtual void IsSupersetOf()
{
Assert.IsTrue(set.IsSupersetOf(new SCG.List<string>()));
Assert.IsTrue(set.IsSupersetOf(new SCG.List<string> { "C", "E", "A" }));
Assert.IsFalse(set.IsSupersetOf(new SCG.List<string> { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsSupersetOf(new SCG.List<string> { "C", "Z" }));
Assert.IsTrue(set.IsSupersetOf(new SCG.List<string> { "C", "A" }));
set.Clear();
Assert.IsFalse(set.IsSupersetOf(new SCG.List<string> { "C", "A" }));
}

[Test]
public virtual void IsSupersetOf_SameEqualityComparer()
{
Assert.IsTrue(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC())));
Assert.IsTrue(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsFalse(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A", "X" }));
Assert.IsFalse(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "Z" }));
Assert.IsTrue(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
set.Clear();
Assert.IsFalse(set.IsSupersetOf(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
}

[Test]
public virtual void Overlaps()
{
Assert.IsFalse(set.Overlaps(new SCG.List<string>()));
Assert.IsTrue(set.Overlaps(new SCG.List<string> { "C", "E", "A" }));
Assert.IsTrue(set.Overlaps(new SCG.List<string> { "C", "E", "A", "X" }));
Assert.IsFalse(set.Overlaps(new SCG.List<string> { "X", "Z" }));
Assert.IsTrue(set.Overlaps(new SCG.List<string> { "C", "A" }));
set.Clear();
Assert.IsFalse(set.Overlaps(new SCG.List<string> { "C", "A" }));
}

[Test]
public virtual void Overlaps_SameEqualityComparer()
{
Assert.IsFalse(set.Overlaps(new TreeSet<string>(new SC(), new SC())));
Assert.IsTrue(set.Overlaps(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsTrue(set.Overlaps(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A", "X" }));
Assert.IsFalse(set.Overlaps(new TreeSet<string>(new SC(), new SC()) { "X", "Z" }));
Assert.IsTrue(set.Overlaps(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
set.Clear();
Assert.IsFalse(set.Overlaps(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
}

[Test]
public virtual void SetEquals()
{
Assert.IsFalse(set.SetEquals(new SCG.List<string>()));
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "C", "E", "A" }));
Assert.IsFalse(set.SetEquals(new SCG.List<string> { "C", "E", "A", "X" }));
Assert.IsFalse(set.SetEquals(new SCG.List<string> { "X", "Z" }));
Assert.IsFalse(set.SetEquals(new SCG.List<string> { "C", "A" }));
set.Clear();
Assert.IsFalse(set.SetEquals(new SCG.List<string> { "C", "A" }));
Assert.IsTrue(set.SetEquals(new SCG.List<string>()));
}

[Test]
public virtual void SetEquals_SameEqualityComparer()
{
Assert.IsFalse(set.SetEquals(new TreeSet<string>(new SC(), new SC())));
Assert.IsTrue(set.SetEquals(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" }));
Assert.IsFalse(set.SetEquals(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A", "X" }));
Assert.IsFalse(set.SetEquals(new TreeSet<string>(new SC(), new SC()) { "X", "Z" }));
Assert.IsFalse(set.SetEquals(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
set.Clear();
Assert.IsFalse(set.SetEquals(new TreeSet<string>(new SC(), new SC()) { "C", "A" }));
Assert.IsTrue(set.SetEquals(new TreeSet<string>(new SC(), new SC())));
}

[Test]
public virtual void SymmetricExceptWith()
{
set.SymmetricExceptWith(new SCG.List<string>());
Assert.AreEqual(3, set.Count);
set.SymmetricExceptWith(new SCG.List<string> { "C", "E", "R", "X" });
Assert.AreEqual(3, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "R", "X" }));
set.SymmetricExceptWith(new SCG.List<string> { "A", "R", "X" });
Assert.AreEqual(0, set.Count);

set.Clear();
set.SymmetricExceptWith(new SCG.List<string> { "C", "E", "A" });
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "C", "E", "A" }));
}

[Test]
public virtual void SymmetricExceptWith_SameEqualityComparer()
{
set.SymmetricExceptWith(new TreeSet<string>(new SC(), new SC()));
Assert.AreEqual(3, set.Count);
set.SymmetricExceptWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "R", "X" });
Assert.AreEqual(3, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "R", "X" }));
set.SymmetricExceptWith(new TreeSet<string>(new SC(), new SC()) { "A", "R", "X" });
Assert.AreEqual(0, set.Count);

set.Clear();
set.SymmetricExceptWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" });
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "C", "E", "A" }));
}

[Test]
public virtual void UnionWith()
{
set.UnionWith(new SCG.List<string>());
Assert.AreEqual(3, set.Count);
set.UnionWith(new SCG.List<string> { "C", "E", "R", "X" });
Assert.AreEqual(5, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "C", "E", "R", "X" }));
set.UnionWith(new SCG.List<string> { "A", "R", "X" });
Assert.AreEqual(5, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "C", "E", "R", "X" }));

set.Clear();
set.UnionWith(new SCG.List<string> { "C", "E", "A" });
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "C", "E", "A" }));
}

[Test]
public virtual void UnionWith_SameEqualityComparer()
{
set.UnionWith(new TreeSet<string>(new SC(), new SC()));
Assert.AreEqual(3, set.Count);
set.UnionWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "R", "X" });
Assert.AreEqual(5, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "C", "E", "R", "X" }));
set.UnionWith(new TreeSet<string>(new SC(), new SC()) { "A", "R", "X" });
Assert.AreEqual(5, set.Count);
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "A", "C", "E", "R", "X" }));

set.Clear();
set.UnionWith(new TreeSet<string>(new SC(), new SC()) { "C", "E", "A" });
Assert.IsTrue(set.SetEquals(new SCG.List<string> { "C", "E", "A" }));
}

// ICollection<T> members
[Test]
public virtual void Clear()
{
Assert.AreEqual(3, set.Count);
set.Clear();
Assert.AreEqual(0, set.Count);
}

[Test]
public virtual void Contains()
{
Assert.IsTrue(set.Contains("A"));
Assert.IsFalse(set.Contains("Z"));
}

[Test]
public virtual void CopyTo()
{
var values = new string[set.Count + 2];
set.CopyTo(values, 1);
Assert.AreEqual(null, values[0]);
Assert.AreEqual("A", values[1]);
Assert.AreEqual("C", values[2]);
Assert.AreEqual("E", values[3]);
Assert.AreEqual(null, values[4]);
}

[Test]
public virtual void Remove()
{
Assert.AreEqual(3, set.Count);
Assert.IsTrue(set.Remove("A"));
Assert.AreEqual(2, set.Count);
Assert.IsFalse(set.Remove("A"));
Assert.AreEqual(2, set.Count);
}

[Test]
public virtual void Count()
{
Assert.AreEqual(3, set.Count);
set.Add("Foo");
Assert.AreEqual(4, set.Count);
}

[Test]
public virtual void IsReadOnly()
{
Assert.AreEqual(false, set.IsReadOnly);
}
}
}
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