public Switch()
{
#if DEBUG_IN_EXTERNAL_APP
MessageBox.Show("Attach debugger now");
#endif
HandleAssemblyResolveEvents();
device = CompositionRoot.GetDeviceLayer();
idOutOfRange = new InvalidValueException($"The switch ID must be in the range 0 .. {MaxSwitch-1}");
}
protected static T Parse <T, K>(K value, string name, Func <T, bool> predicate) where T : Enumeration
{
var matchingItem = All <T>().FirstOrDefault(predicate);
if (matchingItem == null)
{
throw InvalidValueException.Error <T, K>(name, value);
}
return(matchingItem);
}
public void TestBasicExceptionGeneration()
{
const string expectedErrorMessage = "The provided value ('Provided') is not the one expected ('Expected').";
const string expectedValue = "Expected";
const string providedValue = "Provided";
var error = new InvalidValueException(providedValue, expectedValue);
Assert.NotNull(error);
Assert.Null(error.InnerException);
Assert.Equal(expectedErrorMessage, error.Message);
}
public void TestOuterExceptionGeneration()
{
const string expectedErrorMessage = "The provided value ('Provided') is not the one expected ('Expected').";
const string expectedOuterErrorMessage = "An error occured while checking the provided value ('Provided').";
const string expectedValue = "Expected";
const string providedValue = "Provided";
var error = new InvalidValueException(providedValue, expectedValue);
var outerError = new CheckProvidedValueException(error, providedValue);
Assert.NotNull(outerError);
Assert.NotNull(outerError.InnerException);
Assert.Equal(expectedOuterErrorMessage, outerError.Message);
Assert.Equal(expectedErrorMessage, outerError.InnerException.Message);
}