public void AddRemoveWorks()
{
var c = new FastCollection<int> { 1, 2, 3, 4, 5 };
Assert.True(c.SequenceEqual(new[] { 1, 2, 3, 4, 5 }));
Assert.Equal(5, c.Count);
var originalCapacity = c.Capacity;
Assert.InRange(originalCapacity, 5, int.MaxValue);
Assert.True(c.Remove(5));
AssertEquals(c, new[] { 1, 2, 3, 4 });
Assert.InRange(c.Capacity, 4, originalCapacity);
c.RemoveAt(3);
AssertEquals(c, new[] { 1, 2, 3 });
Assert.InRange(c.Capacity, 3, originalCapacity);
Assert.True(c.Remove(1));
AssertEquals(c, new[] { 2, 3 });
Assert.InRange(c.Capacity, 2, originalCapacity);
Assert.False(c.Remove(1));
var oneEl = c[1];
c.RemoveAt(0);
Assert.Equal(oneEl, c[0]);
Assert.Equal(1, c.Count);
c.Add(4);
AssertEquals(c, new[] { oneEl, 4 });
c.Clear();
Assert.True(c.SequenceEqual(new int[0]));
Assert.Equal(0, c.Count);
}
public void Remove()
{
IList b = new List <int>();
var fc = new FastCollection <IList>();
fc.Add(b, 2);
Assert.AreEqual(1, b.Count);
fc.Remove(b, 2);
Assert.AreEqual(0, b.Count);
}
public void ContainsWorks()
{
var c = new FastCollection<int> { 1, 2, 3 };
Assert.True(c.Contains(1));
Assert.True(c.Contains(2));
Assert.True(c.Contains(3));
Assert.False(c.Contains(4));
c.Remove(1);
Assert.False(c.Contains(1));
Assert.True(c.Contains(2));
Assert.True(c.Contains(3));
Assert.False(c.Contains(4));
c.Clear();
Assert.False(c.Contains(1));
Assert.False(c.Contains(2));
Assert.False(c.Contains(3));
c.Add(3);
Assert.False(c.Contains(1));
Assert.False(c.Contains(2));
Assert.True(c.Contains(3));
}
public void IndexOfWorks()
{
var c = new FastCollection<int> { 1, 2, 3 };
Assert.Equal(1, c[c.IndexOf(1)]);
Assert.Equal(2, c[c.IndexOf(2)]);
Assert.Equal(3, c[c.IndexOf(3)]);
Assert.Equal(-1, c.IndexOf(4));
c.Remove(1);
Assert.Equal(2, c[c.IndexOf(2)]);
Assert.Equal(3, c[c.IndexOf(3)]);
Assert.Equal(-1, c.IndexOf(1));
c.Clear();
Assert.Equal(-1, c.IndexOf(1));
Assert.Equal(-1, c.IndexOf(2));
Assert.Equal(-1, c.IndexOf(3));
c.Add(3);
Assert.Equal(-1, c.IndexOf(1));
Assert.Equal(-1, c.IndexOf(2));
Assert.Equal(0, c.IndexOf(3));
Assert.Equal(3, c[0]);
}
public void DoesntHoldReferences()
{
var wr1 = new WeakReference(new object());
var wr2 = new WeakReference(new object());
var c = new FastCollection<object> { wr1.Target, wr2.Target };
GC.Collect();
//GC.WaitForFullGCComplete();
Assert.Equal(2, c.Count);
Assert.True(wr1.IsAlive);
Assert.True(wr2.IsAlive);
c.Remove(wr1.Target);
GC.Collect();
//GC.WaitForFullGCComplete();
Assert.Equal(1, c.Count);
Assert.False(wr1.IsAlive);
Assert.True(wr2.IsAlive);
c.Clear();
GC.Collect();
//GC.WaitForFullGCComplete();
Assert.Equal(0, c.Count);
Assert.False(wr1.IsAlive);
Assert.False(wr2.IsAlive);
}