public void convert_back_passes_parameters_into_converters()
{
var converter = new ConverterGroup();
var value = "abc";
var targetType = typeof(int);
var parameter = "parameter";
var cultureInfo = new CultureInfo("de-DE");
var converterMock = new Mock <IValueConverter>();
converterMock.Setup(x => x.ConvertBack(value, targetType, parameter, cultureInfo)).Verifiable();
converter.Converters.Add(converterMock.Object);
converter.ConvertBack(value, targetType, parameter, cultureInfo);
converterMock.Verify();
}
public void convert_back_chains_converters_together_in_reverse_order()
{
var converter = new ConverterGroup();
var converterMock1 = new Mock <IValueConverter>();
var converterMock2 = new Mock <IValueConverter>();
var converterMock3 = new Mock <IValueConverter>();
converterMock3.Setup(x => x.ConvertBack("start value", null, null, null)).Returns("converter1 result").Verifiable();
converterMock2.Setup(x => x.ConvertBack("converter1 result", null, null, null)).Returns("converter2 result").Verifiable();
converterMock1.Setup(x => x.ConvertBack("converter2 result", null, null, null)).Returns("converter3 result").Verifiable();
converter.Converters.Add(converterMock1.Object);
converter.Converters.Add(converterMock2.Object);
converter.Converters.Add(converterMock3.Object);
Assert.Equal("converter3 result", converter.ConvertBack("start value", null, null, null));
converterMock1.Verify();
converterMock2.Verify();
converterMock3.Verify();
}
public void convert_back_returns_unset_value_if_there_are_no_converters()
{
var converter = new ConverterGroup();
Assert.Equal(DependencyProperty.UnsetValue, converter.ConvertBack("abc", null, null, null));
}
public void convert_back_passes_parameters_into_converters()
{
var converter = new ConverterGroup();
var value = "abc";
var targetType = typeof(int);
var parameter = "parameter";
var cultureInfo = new CultureInfo("de-DE");
var converterMock = new Mock<IValueConverter>();
converterMock.Setup(x => x.ConvertBack(value, targetType, parameter, cultureInfo)).Verifiable();
converter.Converters.Add(converterMock.Object);
converter.ConvertBack(value, targetType, parameter, cultureInfo);
converterMock.Verify();
}
public void convert_back_returns_unset_value_if_there_are_no_converters()
{
var converter = new ConverterGroup();
Assert.Equal(DependencyProperty.UnsetValue, converter.ConvertBack("abc", null, null, null));
}
public void convert_back_chains_converters_together_in_reverse_order()
{
var converter = new ConverterGroup();
var converterMock1 = new Mock<IValueConverter>();
var converterMock2 = new Mock<IValueConverter>();
var converterMock3 = new Mock<IValueConverter>();
converterMock3.Setup(x => x.ConvertBack("start value", null, null, null)).Returns("converter1 result").Verifiable();
converterMock2.Setup(x => x.ConvertBack("converter1 result", null, null, null)).Returns("converter2 result").Verifiable();
converterMock1.Setup(x => x.ConvertBack("converter2 result", null, null, null)).Returns("converter3 result").Verifiable();
converter.Converters.Add(converterMock1.Object);
converter.Converters.Add(converterMock2.Object);
converter.Converters.Add(converterMock3.Object);
Assert.Equal("converter3 result", converter.ConvertBack("start value", null, null, null));
converterMock1.Verify();
converterMock2.Verify();
converterMock3.Verify();
}