ArgsTests.ModelTests.TestPowerArgsRichCommandLineReaderFindContextualArgument C# (CSharp) Метод

        public void TestPowerArgsRichCommandLineReaderFindContextualArgument()
        {
            try
            {
                PowerArgsRichCommandLineReader.FindContextualArgument("-TheString", null);
                Assert.Fail("An exception should have been thrown");
            }
            catch(NullReferenceException ex)
            {
                Assert.IsTrue(ex.Message.Contains("ambient"));
            }

            CommandLineArgumentsDefinition def = new CommandLineArgumentsDefinition();
            var globalArg = new CommandLineArgument(typeof(string), "TheString");

            def.Arguments.Add(globalArg);
            var found = PowerArgsRichCommandLineReader.FindContextualArgument("-TheString", null, def);
            Assert.AreSame(globalArg, found);

            found = PowerArgsRichCommandLineReader.FindContextualArgument("/TheString", null, def);
            Assert.AreSame(globalArg, found);

            Assert.IsNull(PowerArgsRichCommandLineReader.FindContextualArgument("-ActionInt", null, def));
            Assert.IsNull(PowerArgsRichCommandLineReader.FindContextualArgument(null, null, def));

            var action = new CommandLineAction((d) => { });
            action.Aliases.Add("TheAction");

            var actionArg = new CommandLineArgument(typeof(int), "ActionInt");
            action.Arguments.Add(actionArg);
            def.Actions.Add(action);

            found = PowerArgsRichCommandLineReader.FindContextualArgument("-TheString", action, def);
            Assert.AreSame(globalArg, found);

            found = PowerArgsRichCommandLineReader.FindContextualArgument("-ActionInt", action, def);
            Assert.AreSame(actionArg, found);
        }