public void TrySetArgument_Returns_InvalidArgumentValue_When_Value_Expected_But_Not_Set()
{
const string argumentName = "someArg";
var testObject = new IntArgument(_argument, _stringParser);
int parsedValue;
_stringParser.Expect(s => s.TryParse(null, out parsedValue)).Return(false);
_argument.Expect(a => a.TrySetArgumentName(argumentName)).Return(SetArgumentDataResult.Success);
var actual = testObject.TrySetArgumentNameAndValue(argumentName, null);
Assert.That(actual, Is.EqualTo(SetArgumentDataResult.InvalidArgumentValue));
Assert.That(testObject.ParsedSuccessfully, Is.False);
Assert.That(testObject.ParsedArgumentValue, Is.EqualTo(default(int)));
}
public void TrySetArgument_Returns_Success_And_Sets_Parsing_Related_Properties_When_No_Problems_Encountered()
{
const string argumentName = "someArg";
const string argumentValue = "some argument";
const int expectedArgumentValue = 2;
var testObject = new IntArgument(_argument, _stringParser);
int parsedValue;
_stringParser.Expect(s => s.TryParse(argumentValue, out parsedValue)).OutRef(expectedArgumentValue).Return(true);
_argument.Expect(a => a.TrySetArgumentName(argumentName)).Return(SetArgumentDataResult.Success);
var actual = testObject.TrySetArgumentNameAndValue(argumentName, argumentValue);
Assert.That(actual, Is.EqualTo(SetArgumentDataResult.Success));
Assert.That(testObject.ParsedSuccessfully, Is.True);
Assert.That(testObject.ParsedArgumentValue, Is.EqualTo(expectedArgumentValue));
}