public void Enumerator(StringValues stringValues, string[] expected)
{
var e = stringValues.GetEnumerator();
for (int i = 0; i < expected.Length; i++)
{
Assert.True(e.MoveNext());
Assert.Equal(expected[i], e.Current);
}
Assert.False(e.MoveNext());
Assert.False(e.MoveNext());
Assert.False(e.MoveNext());
var e1 = ((IEnumerable <string>)stringValues).GetEnumerator();
for (int i = 0; i < expected.Length; i++)
{
Assert.True(e1.MoveNext());
Assert.Equal(expected[i], e1.Current);
}
Assert.False(e1.MoveNext());
Assert.False(e1.MoveNext());
Assert.False(e1.MoveNext());
var e2 = ((IEnumerable)stringValues).GetEnumerator();
for (int i = 0; i < expected.Length; i++)
{
Assert.True(e2.MoveNext());
Assert.Equal(expected[i], e2.Current);
}
Assert.False(e2.MoveNext());
Assert.False(e2.MoveNext());
Assert.False(e2.MoveNext());
}
public void DefaultNullOrEmpty_Enumerator(StringValues stringValues)
{
var e = stringValues.GetEnumerator();
Assert.Null(e.Current);
Assert.False(e.MoveNext());
Assert.Null(e.Current);
Assert.False(e.MoveNext());
Assert.False(e.MoveNext());
Assert.False(e.MoveNext());
var e1 = ((IEnumerable <string>)stringValues).GetEnumerator();
Assert.Null(e1.Current);
Assert.False(e1.MoveNext());
Assert.Null(e1.Current);
Assert.False(e1.MoveNext());
Assert.False(e1.MoveNext());
Assert.False(e1.MoveNext());
var e2 = ((IEnumerable)stringValues).GetEnumerator();
Assert.Null(e2.Current);
Assert.False(e2.MoveNext());
Assert.Null(e2.Current);
Assert.False(e2.MoveNext());
Assert.False(e2.MoveNext());
Assert.False(e2.MoveNext());
}