public void HasAnnotation_checks_arguments() { var configuration = new EntityTypeConfiguration <object>(); Assert.Equal( Strings.ArgumentIsNullOrWhitespace("name"), Assert.Throws <ArgumentException>(() => configuration.HasTableAnnotation(null, null)).Message); Assert.Equal( Strings.ArgumentIsNullOrWhitespace("name"), Assert.Throws <ArgumentException>(() => configuration.HasTableAnnotation(" ", null)).Message); Assert.Equal( Strings.BadAnnotationName("Cheese:Pickle"), Assert.Throws <ArgumentException>(() => configuration.HasTableAnnotation("Cheese:Pickle", null)).Message); }