public void ConvertBack_NotImplementedException()
{
var testSubject = new NullToBooleanConverter();
Action act = () => testSubject.ConvertBack(null, null, null, null);
act.Should().Throw <NotImplementedException>("ConvertBack is not required");
}
public void Convert_ReturnsTrueIfValueIsNull(object value, bool expectedResult)
{
var testSubject = new NullToBooleanConverter();
var result = testSubject.Convert(value, null, null, null);
result.Should().Be(expectedResult);
}
public void WhenConvertingNonNullValueThenResultIsTrue()
{
var nullToBooleanConverter = new NullToBooleanConverter();
object result = nullToBooleanConverter.Convert("for sure I am not null", typeof(bool), null, new CultureInfo("en-us"));
Assert.IsInstanceOfType(result, typeof(bool));
Assert.AreEqual(result, true);
}
public void WhenConvertingNullThenResultIsFalse()
{
var nullToBooleanConverter = new NullToBooleanConverter();
object result = nullToBooleanConverter.Convert(null, typeof(bool), null, new CultureInfo("en-us"));
Assert.IsInstanceOfType(result, typeof(bool));
Assert.AreEqual(result, false);
}
public void Convert_ShouldReturnTrue_WhenValueIsNull()
{
var sut = new NullToBooleanConverter();
var result = sut.Convert(null, null, null, null);
Assert.IsType <bool>(result);
Assert.True((bool)result);
}
public void Convert_ShouldReturnTrue_WhenValueIsNotNullAndParameterIsTrue(object value)
{
var sut = new NullToBooleanConverter();
var result = sut.Convert(value, null, true, null);
Assert.IsType <bool>(result);
Assert.True((bool)result);
}
public void Convert_ShouldReturnFalse_WhenValueIsNotNull(object value)
{
var sut = new NullToBooleanConverter();
var result = sut.Convert(value, null, null, null);
Assert.IsType <bool>(result);
Assert.False((bool)result);
}
public void Convert_ShouldReturnFalse_WhenValueIsNullAndParameterIsTrue()
{
var sut = new NullToBooleanConverter();
var result = sut.Convert(null, null, true, null);
Assert.IsType <bool>(result);
Assert.False((bool)result);
}
public void NullToBooleanConverter_Convert()
{
NullToBooleanConverter converter = new NullToBooleanConverter();
converter.ValueForNull = true;
object result = converter.Convert(null, null, null, null);
Assert.True((bool)result);
result = converter.Convert(new object(), null, null, null);
Assert.False((bool)result);
converter.ValueForNull = false;
result = converter.Convert(null, null, null, null);
Assert.False((bool)result);
result = converter.Convert(new object(), null, null, null);
Assert.True((bool)result);
}
public void NullToBooleanConverterTest()
{
var converter = new NullToBooleanConverter();
converter.IsInverted = false;
Assert.IsTrue((bool)converter.Convert(null, typeof(bool), null, null));
Assert.IsFalse((bool)converter.Convert(1, typeof(bool), null, null));
converter.IsInverted = true;
Assert.IsFalse((bool)converter.Convert(null, typeof(bool), null, null));
Assert.IsTrue((bool)converter.Convert(1, typeof(bool), null, null));
converter.IsInverted = false;
Assert.IsTrue((bool)converter.Convert(string.Empty, typeof(bool), null, null));
Assert.IsFalse((bool)converter.Convert("foo", typeof(bool), null, null));
converter.IsInverted = true;
Assert.IsFalse((bool)converter.Convert(string.Empty, typeof(bool), null, null));
Assert.IsTrue((bool)converter.Convert("foo", typeof(bool), null, null));
}
public void NullToBooleanConverter_ConvertBack()
{
NullToBooleanConverter converter = new NullToBooleanConverter();
Assert.Throws <NotImplementedException>(() => converter.ConvertBack(null, null, null, null));
}
public void Setup()
{
_target = new NullToBooleanConverter();
}
