public void WhenNoConfigurationIsDoneThenRegularBoolConversionIsUsed()
{
var ba = new DataColumnBooleanAttribute();
var falseObject = ba.ConvertStringToType("False", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsFalse((bool)falseObject);
var trueObject = ba.ConvertStringToType("True", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsTrue((bool)trueObject);
}
public void WhenConvertingNonBooleanValueThenExceptionIsThrown()
{
try
{
var ba = new DataColumnBooleanAttribute();
ba.ConvertStringToType("dummy", typeof(int), Thread.CurrentThread.CurrentCulture);
}
catch (InvalidCastException e)
{
Assert.AreEqual("DataColumnBooleanAttribute can only be used on attributes of type System.Boolean.", e.Message);
throw;
}
}
public void TestConversionWhenOnlyTrueStringsAreConfigured()
{
var ba = new DataColumnBooleanAttribute();
ba.TrueStrings = new string[] { "yes", "yupp", "y" };
var o = ba.ConvertStringToType("nonsense", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsFalse((bool)o);
o = ba.ConvertStringToType("yes", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsTrue((bool)o);
o = ba.ConvertStringToType("yUpp", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsTrue((bool)o);
o = ba.ConvertStringToType("Y", typeof(bool), Thread.CurrentThread.CurrentCulture);
Assert.IsTrue((bool)o);
}
public void GivenBothFalseAndTrueStringConfiguredWhenConvertingAndNoMatchThenExceptionIsThrown()
{
try
{
var ba = new DataColumnBooleanAttribute();
ba.TrueStrings = new string[] { "yes" };
ba.FalseStrings = new string[] { "no" };
ba.ConvertStringToType("nonsense", typeof(bool), Thread.CurrentThread.CurrentCulture);
}
catch (InvalidCastException e)
{
Assert.AreEqual("No matching conversion was found for value nonsense.", e.Message);
throw;
}
}
public void GivenEqualFalseAndTrueStringConfigurationWhenConvertingThenExceptionIsThrown()
{
try
{
var ba = new DataColumnBooleanAttribute();
ba.TrueStrings = new string[] { "hey" };
ba.FalseStrings = new string[] { "hey" };
ba.ConvertStringToType("hey", typeof(bool), Thread.CurrentThread.CurrentCulture);
}
catch (InvalidCastException e)
{
Assert.AreEqual("Ambiguous configuration: Both true and false string contains the value hey.", e.Message);
throw;
}
}
public void WhenNoConfigurationIsDoneAndInvalidStringIsConvertedThenExceptionIsThrown()
{
var ba = new DataColumnBooleanAttribute();
ba.ConvertStringToType("nonsense", typeof(bool), Thread.CurrentThread.CurrentCulture);
}
