public static void Reset()
{
// Arrange
var value = new AnyT();
using var seq = new YieldForever <AnyT>(value);
// Act
IEnumerator it = seq.GetEnumerator();
// Assert
for (int i = 0; i < 100; i++)
{
Assert.True(it.MoveNext());
Assert.Same(value, it.Current);
}
// Reset() does nothing.
it.Reset();
for (int i = 0; i < 100; i++)
{
Assert.True(it.MoveNext());
Assert.Same(value, it.Current);
}
}
public static void MoveNext()
{
// Arrange
using var seq = new YieldForever <AnyT>(new AnyT());
// Act
IEnumerator it = seq.GetEnumerator();
// Assert
Assert.True(it.MoveNext());
}
public static void GetEnumerator()
{
// Arrange
using var seq = new YieldForever <AnyT>(new AnyT());
// Act
IEnumerator <AnyT> it = seq.GetEnumerator();
// Assert
Assert.Same(seq, it);
}
public static void GetEnumerator_Untyped()
{
// Arrange
using var seq = new YieldForever <AnyT>(new AnyT());
// Act
IEnumerable enumerable = seq;
IEnumerator it = enumerable.GetEnumerator();
// Assert
Assert.Same(seq, it);
}
public static void Current_Untyped()
{
// Arrange
var value = new AnyT();
using var seq = new YieldForever <AnyT>(value);
// Act
IEnumerator it = seq.GetEnumerator();
// Assert
// Even before the first MoveNext(), Current already returns "value".
Assert.Same(value, it.Current);
for (int i = 0; i < 100; i++)
{
Assert.True(it.MoveNext());
Assert.Same(value, it.Current);
}
}