public void Explicit_model_binder_binds_only_to_configured_ctor_parameters()
{
var intOption = new Option("-a")
{
Argument = new Argument <int>()
};
var stringOption = new Option("-b")
{
Argument = new Argument <string>()
};
var parser = new Parser(intOption, stringOption);
var ctor = typeof(ClassWithMultiLetterCtorParameters)
.GetConstructors(BindingFlags.Public | BindingFlags.Instance)
.First();
var paramInfo = ctor.GetParameters().First();
var bindingContext = new BindingContext(parser.Parse("-a 42 -b Hello"));
var binder = new ModelBinder <ClassWithMultiLetterCtorParameters>
{
EnforceExplicitBinding = true
};
binder.BindConstructorArgumentFromValue(paramInfo, intOption);
var instance = binder.CreateInstance(bindingContext) as ClassWithMultiLetterCtorParameters;
instance.Should().NotBeNull();
instance.IntOption.Should().Be(42);
instance.StringOption.Should().Be("the default");
}