public void ErrorWhenBindingStringFormatAndExplicitStringFormat()
{
var converter = new LengthConverter
{
StringFormat = "F1 mm"
};
var providerMock = new ServiceProviderMock
{
BindingStringFormat = "F2 cm"
};
converter.ProvideValue(providerMock.Object);
var length = Length.FromMillimetres(1234);
Wpf.Is.DesignMode = true;
var ex = Assert.Throws <InvalidOperationException>(() => converter.Convert(length, typeof(string), null, null));
var expected = "ValueFormat cannot be set when Binding.StringFormat is a unit format.\r\n" +
"Ambiguous units StringFormat: {0:F1} mm Binding.StringFormat: {0:F2} cm";
Assert.AreEqual(expected, ex.Message);
Wpf.Is.DesignMode = false;
var convert = converter.Convert(length, typeof(string), null, null);
Assert.AreEqual(expected, convert);
}
public void WithBindingStringFormat(Type targetType, string stringFormat)
{
var converter = new LengthConverter();
var providerMock = new ServiceProviderMock
{
BindingStringFormat = stringFormat
};
converter.ProvideValue(providerMock.Object);
var length = Length.FromMillimetres(1234);
var actual = converter.Convert(length, targetType, null, null);
Assert.AreEqual(length, actual);
}
public void BindingStringFormatHappyPath(string stringFormat)
{
var converter = new LengthConverter();
var providerMock = new ServiceProviderMock
{
BindingStringFormat = stringFormat
};
converter.ProvideValue(providerMock.Object);
var length = Length.FromMillimetres(12.3);
var convert = converter.Convert(length, typeof(string), null, CultureInfo.InvariantCulture);
Assert.AreEqual(length, convert);
Assert.AreEqual(LengthUnit.Centimetres, converter.Unit);
Assert.AreEqual(UnitInput.SymbolRequired, converter.UnitInput);
}
public void WithBindingStringFormatNull(Type targetType, object expected)
{
var converter = new LengthConverter {
Unit = LengthUnit.Metres
};
var providerMock = new ServiceProviderMock
{
BindingStringFormat = null
};
converter.ProvideValue(providerMock.Object);
var length = Length.FromMillimetres(1234);
var actual = converter.Convert(length, targetType, null, CultureInfo.GetCultureInfo("sv-SE"));
Assert.AreEqual(expected, actual);
}
public void ErrorWhenProvideValueTargetThrows()
{
var converter = new LengthConverter {
Unit = LengthUnit.Metres
};
var providerMock = new ServiceProviderMock();
providerMock.ProvideValueTargetMock.Setup(x => x.TargetObject).Throws <NullReferenceException>();
Wpf.Is.DesignMode = true;
Assert.Throws <InvalidOperationException>(() => converter.ProvideValue(providerMock.Object));
Wpf.Is.DesignMode = false;
var length = Length.FromMillimetres(1234);
var actual = converter.Convert(length, typeof(string), null, null);
Assert.AreEqual("Touching provideValueTarget?.TargetObject threw", actual);
}
public void WithExplicitUnitAndBindingNonUnitStringFormat(Type targetType, object expected)
{
var converter = new LengthConverter
{
Unit = LengthUnit.Centimetres,
};
var providerMock = new ServiceProviderMock
{
BindingStringFormat = "{}{0:F2}"
};
converter.ProvideValue(providerMock.Object);
var length = Length.FromMillimetres(12);
var actual = converter.Convert(length, targetType, null, null);
Assert.AreEqual(expected, actual);
}