public void BoolToVisibilityConverterTest()
{
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Assert.AreEqual(Visibility.Collapsed, converter.Convert(false, null, null, null));
Assert.AreEqual(Visibility.Visible, converter.Convert(true, null, null, null));
}
public void ConvertTest()
{
var target = new BoolToVisibilityConverter();
Assert.AreEqual(Visibility.Visible, target.Convert(true, null, null, null));
Assert.AreEqual(Visibility.Collapsed, target.Convert(false, null, null, null));
}
public void Convert_NullValue_NullNegateValue()
{
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Visibility visibility = (Visibility)converter.Convert(null, typeof(Visibility), null, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
visibility = (Visibility)converter.Convert((bool?)null, typeof(Visibility), null, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
}
public void BoolToVisibilityConvertTest()
{
var converter = new BoolToVisibilityConverter();
Assert.That(
converter.Convert(false, typeof(Visibility), null, CultureInfo.CurrentUICulture)
.Equals(Visibility.Visible));
Assert.That(
converter.Convert(true, typeof(Visibility), null, CultureInfo.CurrentUICulture)
.Equals(Visibility.Collapsed));
}
public void Convert_NullValue_TrueNegateValue()
{
foreach (object truthinessObject in _trueValues)
{
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Visibility visibility = (Visibility)converter.Convert(null, typeof(Visibility), truthinessObject, null);
Assert.IsTrue(visibility == Visibility.Visible);
visibility = (Visibility)converter.Convert((bool?)null, typeof(Visibility), truthinessObject, null);
Assert.IsTrue(visibility == Visibility.Visible);
}
}
public void BoolToVisibility_Inverted_ReturnsCorrectResult()
{
var btv = new BoolToVisibilityConverter { InvertVisibility = true };
Assert.AreEqual(Visibility.Visible, btv.Convert(false, typeof(Visibility), null, null));
Assert.AreEqual(Visibility.Collapsed, btv.Convert(true, typeof(Visibility), null, null));
Assert.AreEqual(false, btv.ConvertBack(Visibility.Visible, typeof(bool), null, null));
Assert.AreEqual(true, btv.ConvertBack(Visibility.Hidden, typeof(bool), null, null));
btv.NotVisibleValue = Visibility.Hidden;
Assert.AreEqual(Visibility.Hidden, btv.Convert(true, typeof(Visibility), null, null));
Assert.AreEqual(false, btv.ConvertBack(Visibility.Visible, typeof(bool), null, null));
Assert.AreEqual(true, btv.ConvertBack(Visibility.Hidden, typeof(bool), null, null));
}
/// <summary>
/// Tests the converter when converting a false value and specifically not negating that value
/// </summary>
public void Convert_FalseValue_FalseNegateValue()
{
bool boolVal = false;
bool?nullableBoolVal = false;
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Visibility visibility = (Visibility)converter.Convert(boolVal, typeof(Visibility), false, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
visibility = (Visibility)converter.Convert(nullableBoolVal, typeof(Visibility), false, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
}
public void ShouldConvertToVisibility()
{
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
object value = true;
var convertedValue = converter.Convert(value, typeof(bool), null, null) as Visibility?;
Assert.AreEqual(Visibility.Visible, convertedValue);
value = false;
convertedValue = converter.Convert(value, typeof(bool), null, null) as Visibility?;
Assert.AreEqual(Visibility.Hidden, convertedValue);
}
public void Convert_TrueValue_NullNegateValue()
{
bool boolVal = true;
bool?nullableBoolVal = true;
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Visibility visibility = (Visibility)converter.Convert(boolVal, typeof(Visibility), null, null);
Assert.IsTrue(visibility == Visibility.Visible);
visibility = (Visibility)converter.Convert(nullableBoolVal, typeof(Visibility), null, null);
Assert.IsTrue(visibility == Visibility.Visible);
}
public void Convert_TrueValue_TrueNegateValue()
{
foreach (object truthinessObject in _trueValues)
{
bool boolVal = true;
bool?nullableBoolVal = true;
BoolToVisibilityConverter converter = new BoolToVisibilityConverter();
Visibility visibility = (Visibility)converter.Convert(boolVal, typeof(Visibility), truthinessObject, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
visibility = (Visibility)converter.Convert(nullableBoolVal, typeof(Visibility), truthinessObject, null);
Assert.IsTrue(visibility == Visibility.Collapsed);
}
}
public void BoolToVisibility_Inverted_ReturnsCorrectResult()
{
var btv = new BoolToVisibilityConverter {
InvertVisibility = true
};
Assert.AreEqual(Visibility.Visible, btv.Convert(false, typeof(Visibility), null, null));
Assert.AreEqual(Visibility.Collapsed, btv.Convert(true, typeof(Visibility), null, null));
Assert.AreEqual(false, btv.ConvertBack(Visibility.Visible, typeof(bool), null, null));
Assert.AreEqual(true, btv.ConvertBack(Visibility.Hidden, typeof(bool), null, null));
btv.NotVisibleValue = Visibility.Hidden;
Assert.AreEqual(Visibility.Hidden, btv.Convert(true, typeof(Visibility), null, null));
Assert.AreEqual(false, btv.ConvertBack(Visibility.Visible, typeof(bool), null, null));
Assert.AreEqual(true, btv.ConvertBack(Visibility.Hidden, typeof(bool), null, null));
}
public void Convert_InvalidCastException_value()
{
// Arrange
var converter = new BoolToVisibilityConverter();
// Act
converter.Convert(2.0, null, null, null);
}
public void Convert_InvalidCastException_parameter()
{
// Arrange
var converter = new BoolToVisibilityConverter();
// Act
converter.Convert(true, null, 2.0, null);
}
public void Convert_ArgumentNullException_Value()
{
// Arrange
IValueConverter converter = new BoolToVisibilityConverter();
// Act & Assert
Assert.Throws <ArgumentNullException>(() => converter.Convert(null, typeof(Visibility), null, CultureInfo.InvariantCulture));
}
public void Convert_Arrange_Value_TargetType_Parameter_CultureInfoIsNull_ExpectedBoolToVisibilityConverterNullValueExceptionThrown(bool?arrangedValue,
Type arrangedTargetType, object arrangedParameter)
{
var btvConverter = new BoolToVisibilityConverter();
Assert.Throws <BoolToVisibilityConverterNullValueException>(() => btvConverter.Convert(arrangedValue,
arrangedTargetType, arrangedParameter, CultureInfo.CurrentCulture));
}
public void Convert_ArgumentException_InvalidTargetType()
{
// Arrange
IValueConverter converter = new BoolToVisibilityConverter();
// Act & Assert
Assert.Throws <ArgumentException>(() => converter.Convert(true, typeof(long), null, CultureInfo.InvariantCulture));
}
public void BoolToVisibilityConverter_Convert_NonBoolInput_ThrowsArgumentException()
{
var converter = new BoolToVisibilityConverter();
Action act = () => converter.Convert("NotABoolean", typeof(Visibility), null, CultureInfo.InvariantCulture);
act.Should().Throw <ArgumentException>();
}
public void Convert(object input, Type targetType, object parameter, string cultureString, object expectedOutput)
{
var converter = new BoolToVisibilityConverter();
var culture = new CultureInfo(cultureString);
var output = converter.Convert(input, targetType, parameter, culture);
Assert.Equal(expectedOutput, output);
}
public void BoolToVisibilityConverter_Convert_NonVisibilityOutput_ThrowsArgumentException()
{
var converter = new BoolToVisibilityConverter();
var notVisibilityType = typeof(string);
Action act = () => converter.Convert(true, notVisibilityType, null, CultureInfo.InvariantCulture);
act.Should().Throw <ArgumentException>();
}
public void Convert_WhenValueArgumentIsNotBool_ShouldThrow()
{
// Arrange
var converter = new BoolToVisibilityConverter();
// Act, Assert
Should.Throw <ArgumentException>(() => converter.Convert("random" as object, null, null, null))
.Message.ShouldBe("Wrong data type. Expected a boolean");
}
public void BoolToVisibilityConverter_Convert()
{
var converter = new BoolToVisibilityConverter();
var convertedValue = (Visibility) converter.Convert(true, typeof(Visibility), null, CultureInfo.CurrentCulture);
Assert.IsNotNull(convertedValue);
Assert.AreEqual(Visibility.Visible, convertedValue);
}
public void BoolToVisibilityConverter_Convert_NonBoolInput_ThrowsArgumentException()
{
var converter = new BoolToVisibilityConverter();
Exceptions.Expect <ArgumentException>(() =>
{
converter.Convert("NotABoolean", typeof(Visibility), null, CultureInfo.InvariantCulture);
});
}
public void Convert_Arrange_Value_TargetType_Parameter_CultureInfoIsNull_ExpectedVisibility(bool arrangedValue,
Type arrangedTargetType, object arrangedParameter, Visibility expectedVisibility)
{
var btvConverter = new BoolToVisibilityConverter();
var actualVisibility = btvConverter.Convert(arrangedValue,
arrangedTargetType, arrangedParameter, null);
Assert.AreEqual(expectedVisibility, actualVisibility);
}
public void BoolToVisibilityConverter_Convert_NonVisibilityOutput_ThrowsArgumentException()
{
var converter = new BoolToVisibilityConverter();
var notVisibilityType = typeof(string);
Exceptions.Expect <ArgumentException>(() =>
{
converter.Convert(true, notVisibilityType, null, CultureInfo.InvariantCulture);
});
}
public void Convert_returns_DependencyPropertyUnsetValue_when_value_null()
{
var converter = new BoolToVisibilityConverter();
var culture = new CultureInfo("en-US");
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
var output = converter.Convert(null, typeof(Visibility), null, culture);
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
Assert.Equal(DependencyProperty.UnsetValue, output);
}
public void Convert_PassedFalse_ShouldReturnCollapsed()
{
// Arrange/Act
var converter = new BoolToVisibilityConverter();
// Act
var result = converter.Convert(false, typeof(Visibility), null, CultureInfo.CurrentCulture);
// Assert
Assert.Equal(Visibility.Collapsed, result);
}
public void Convert_PassedTrue_ShouldReturnVisible()
{
// Arrange/Act
var converter = new BoolToVisibilityConverter();
// Act
var result = converter.Convert(true, typeof(Visibility), null, CultureInfo.CurrentCulture);
// Assert
Assert.Equal(Visibility.Visible, result);
}
public void Convert_PassedUnknownValue_ShouldReturnNull()
{
// Arrange/Act
var converter = new BoolToVisibilityConverter();
// Act
var result = converter.Convert(String.Empty, typeof(Visibility), null, CultureInfo.CurrentCulture);
// Assert
Assert.Null(result);
}
public void Should_Return_Null_If_Converting_From_Boolean_To_Anything_Other_Than_Visibility()
{
// Given
var converter = new BoolToVisibilityConverter();
// When
var result = converter.Convert("Hello", null, null, null);
// Then
Assert.Null(result);
}
public void Convert_CollapsedToVisible()
{
// Arrange
var converter = new BoolToVisibilityConverter();
// Act
var result = converter.Convert(false, null, "invert", null);
// Assert
Assert.AreEqual(Visibility.Visible, result);
}
public void Convert_VisibleToCollapsed()
{
// Arrange
var converter = new BoolToVisibilityConverter();
// Act
var result = converter.Convert(true, null, "invert", null);
// Assert
Assert.AreEqual(Visibility.Collapsed, result);
}
