public void FormatProvider_ShouldReturnOptionSetup()
        {
            var commandParser = A.Fake <CommandParser <DataTypesCommandOptions> >();

            var targetProperty = typeof(DataTypesCommandOptions).GetProperty("Int64s");
            var optionParser   = A.Fake <Int64ListOptionParser>(ob => ob.WithArgumentsForConstructor(() => new Int64ListOptionParser(targetProperty, "int64s")));

            var setup = new Int64ListOptionSetup <DataTypesCommandOptions>(commandParser, optionParser);

            setup.FormatProvider(new CultureInfo("de-DE")).Should().Be(setup);
        }
        public void FormatProvider_ShouldAssignFormatProviderToOptionParser()
        {
            var commandParser = A.Fake <CommandParser <DataTypesCommandOptions> >();

            var targetProperty = typeof(DataTypesCommandOptions).GetProperty("Int64s");
            var optionParser   = A.Fake <Int64ListOptionParser>(ob => ob.WithArgumentsForConstructor(() => new Int64ListOptionParser(targetProperty, "int64s")));

            var setup = new Int64ListOptionSetup <DataTypesCommandOptions>(commandParser, optionParser);

            var formatProvider = new CultureInfo("de-DE");

            setup.FormatProvider(formatProvider);

            A.CallToSet(() => optionParser.FormatProvider).To(formatProvider).MustHaveHappened();
        }