public void Constructor_ExpectedValues()
{
// Call
var converter = new NoValueRoundedDoubleConverter();
// Assert
Assert.IsInstanceOf <RoundedDoubleConverter>(converter);
}
public void ConvertTo_NaNToString_ReturnHyphen()
{
// Setup
var converter = new NoValueRoundedDoubleConverter();
// Call
var text = (string)converter.ConvertTo(RoundedDouble.NaN, typeof(string));
// Assert
Assert.AreEqual("-", text);
}
public void CanConvertTo_ToString_ReturnTrue()
{
// Setup
var converter = new NoValueRoundedDoubleConverter();
// Call
bool canConvertToString = converter.CanConvertTo(typeof(string));
// Assert
Assert.IsTrue(canConvertToString);
}
public void ConvertFrom_NoValueText_ReturnNaN(string text)
{
// Setup
var converter = new NoValueRoundedDoubleConverter();
// Call
var result = (RoundedDouble)converter.ConvertFrom(text);
// Assert
Assert.IsNaN(result.Value);
Assert.AreEqual(RoundedDouble.MaximumNumberOfDecimalPlaces, result.NumberOfDecimalPlaces);
}
public void ConvertTo_NumberToString_ReturnStringInLocalEnglishCulture(double value)
{
// Setup
var roundedDouble = new RoundedDouble(2, value);
var converter = new NoValueRoundedDoubleConverter();
// Call
var text = (string)converter.ConvertTo(roundedDouble, typeof(string));
// Assert
Assert.AreEqual(roundedDouble.ToString(), text);
}
private static void DoConvertFrom_SomeNumericalTextInCurrentCulture_ReturnConvertedRoundedDouble(double input)
{
// Setup
var mocks = new MockRepository();
var context = mocks.Stub <ITypeDescriptorContext>();
mocks.ReplayAll();
string text = input.ToString(CultureInfo.CurrentCulture);
var converter = new NoValueRoundedDoubleConverter();
// Call
var conversionResult = (RoundedDouble)converter.ConvertFrom(context, CultureInfo.CurrentCulture, text);
// Assert
Assert.AreEqual(RoundedDouble.MaximumNumberOfDecimalPlaces, conversionResult.NumberOfDecimalPlaces);
Assert.AreEqual(input, conversionResult.Value);
mocks.VerifyAll();
}
public void ConvertFrom_TextDoesNotRepresentNumber_ThrowNotSupportedException()
{
// Setup
var mocks = new MockRepository();
var context = mocks.Stub <ITypeDescriptorContext>();
mocks.ReplayAll();
const string text = "I'm not a number!";
var converter = new NoValueRoundedDoubleConverter();
// Call
TestDelegate call = () => converter.ConvertFrom(context, CultureInfo.CurrentCulture, text);
// Assert
string message = Assert.Throws <NotSupportedException>(call).Message;
Assert.AreEqual("De tekst moet een getal zijn.", message);
mocks.VerifyAll();
}
public void ConvertFrom_TextTooLongToStoreInDouble_ThrowNotSupportedException()
{
// Setup
var mocks = new MockRepository();
var context = mocks.Stub <ITypeDescriptorContext>();
mocks.ReplayAll();
string text = "1" + double.MaxValue.ToString(CultureInfo.CurrentCulture);
var converter = new NoValueRoundedDoubleConverter();
// Call
TestDelegate call = () => converter.ConvertFrom(context, CultureInfo.CurrentCulture, text);
// Assert
string message = Assert.Throws <NotSupportedException>(call).Message;
Assert.AreEqual("De tekst is een getal dat te groot of te klein is om gerepresenteerd te worden.", message);
mocks.VerifyAll();
}