public static void Ctor_CreateRelaxed_FromDelegate()
{
object expectedState = new object();
SpanAction <byte, object> spanAction = (span, actualState) =>
{
Assert.Same(expectedState, actualState);
Assert.NotEqual(0, span.Length); // shouldn't have been called for a zero-length span
for (int i = 0; i < span.Length; i++)
{
Assert.Equal(0, span[i]); // should've been zero-inited
span[i] = 0xFF; // never a valid UTF-8 byte
}
};
ArgumentException exception = Assert.Throws <ArgumentOutOfRangeException>(() => Utf8String.CreateRelaxed(-1, expectedState, spanAction));
Assert.Equal("length", exception.ParamName);
exception = Assert.Throws <ArgumentNullException>(() => Utf8String.CreateRelaxed(10, expectedState, action: null));
Assert.Equal("action", exception.ParamName);
Assert.Same(Utf8String.Empty, Utf8String.CreateRelaxed(0, expectedState, spanAction));
Assert.Equal(u8("\uFFFD\uFFFD"), Utf8String.CreateRelaxed(2, expectedState, spanAction));
}