public void ValidateEmptyStringToBeNullOrEmpty()
{
// Given
var validator = new StringValidator(string.Empty);
// When
validator.BeNullOrEmpty();
// Then
Assert.True(true);
}
public void ValidateStringToBeNullOrEmptyViolated()
{
// Given
var validator = new StringValidator("string");
// When
var exception = Assert.Throws <XunitException>(() => validator.BeNullOrEmpty(because: "that's the bottom line"));
// Then
Assert.NotNull(exception);
var rn = Environment.NewLine;
Assert.Equal(
$"{rn}validator{rn}is \"string\"{rn}but was expected to be null or empty{rn}because that's the bottom line",
exception.UserMessage);
}