public void TemporaryBuffer_Add()
{
using var buffer = new TemporaryBuffer <int>(1);
Assert.Equal(0, buffer.Count);
buffer.Add(100);
Assert.Equal(1, buffer.Count);
Assert.True(buffer.EndsWith(100));
Assert.False(buffer.EndsWith(new [] { 100, 200 }));
Assert.False(buffer.EndsWith(new [] { 100, 200, 300 }));
Assert.Equal(100, buffer.Last());
buffer.Add(200);
Assert.Equal(2, buffer.Count);
Assert.False(buffer.EndsWith(100));
Assert.True(buffer.EndsWith(new [] { 100, 200 }));
Assert.False(buffer.EndsWith(new [] { 100, 200, 300 }));
Assert.Equal(200, buffer.Last());
buffer.DiscardLast();
Assert.Equal(1, buffer.Count);
Assert.True(buffer.EndsWith(100));
Assert.False(buffer.EndsWith(new [] { 100, 200 }));
Assert.False(buffer.EndsWith(new [] { 100, 200, 300 }));
Assert.Equal(100, buffer.Last());
buffer.Add(200);
buffer.Add(300);
Assert.Equal(3, buffer.Count);
Assert.False(buffer.EndsWith(100));
Assert.True(buffer.EndsWith(new [] { 200, 300 }));
Assert.True(buffer.EndsWith(new [] { 100, 200, 300 }));
Assert.Equal(300, buffer.Last());
}