public void WhenFalse_Always_SetsToGiven(Visibility whenFalse)
{
var uut = new BooleanToVisibilityValueConverter();
uut.WhenFalse = whenFalse;
uut.WhenFalse.ShouldBe(whenFalse);
}
public void ConvertBack_VisibilityToBoolean_ReturnsExpected(Visibility value, bool expectedResult)
{
var parameter = (object)null;
var culture = (CultureInfo)null;
var uut = new BooleanToVisibilityValueConverter();
uut.ConvertBack(value, typeof(bool), parameter, culture).ShouldBe(expectedResult);
}
public void ConvertBack_BooleanToVisibility_ReturnsExpected(bool value, Visibility expectedResult, Visibility whenFalse)
{
var parameter = (object)null;
var culture = (CultureInfo)null;
var uut = new BooleanToVisibilityValueConverter()
{
WhenFalse = whenFalse
};
uut.ConvertBack(value, typeof(Visibility), parameter, culture).ShouldBe(expectedResult);
}
public void Convert_ConversionIsInvalid_ThrowsException(object value, Type targetType)
{
var parameter = (object)null;
var culture = (CultureInfo)null;
var uut = new BooleanToVisibilityValueConverter();
var result = Should.Throw <NotSupportedException>(() =>
{
uut.Convert(value, targetType, parameter, culture);
});
result.ShouldSatisfyAllConditions(
() => result.Message.ShouldContain(value?.GetType().Name ?? "null"),
() => result.Message.ShouldContain(targetType.Name));
}
public void Convert_TargetTypeIsNull_ThrowsException()
{
var value = false;
var targetType = (Type)null;
var parameter = (object)null;
var culture = (CultureInfo)null;
var uut = new BooleanToVisibilityValueConverter();
var result = Should.Throw <ArgumentNullException>(() =>
{
uut.Convert(value, targetType, parameter, culture);
});
result.ParamName.ShouldBe(nameof(targetType));
}
