public void CanConvertFrom_NonSourceType_ReturnsFalse()
{
// Arrange
var customEnumConverter = new CustomEnumConverter <string>();
var mockTypeDescriptorContext = Substitute.For <ITypeDescriptorContext>();
// Act
bool result = customEnumConverter.CanConvertFrom(mockTypeDescriptorContext, typeof(int));
// Assert
Assert.False(result, "Non-string type cannot be converted from.");
}
public void ConvertFrom_EmptyString_ReturnsNull()
{
// Arrange
var customEnumConverter = new CustomEnumConverter <string>();
var mockTypeDescriptorContext = Substitute.For <ITypeDescriptorContext>();
// Act
object result = customEnumConverter.ConvertFrom(mockTypeDescriptorContext, CultureInfo.CurrentCulture, string.Empty);
// Assert
Assert.Null(result);
}
public void CanConvertFrom_StringSourceType_ReturnsTrue()
{
// Arrange
var customEnumConverter = new CustomEnumConverter <string>();
var mockTypeDescriptorContext = Substitute.For <ITypeDescriptorContext>();
// Act
bool result = customEnumConverter.CanConvertFrom(mockTypeDescriptorContext, typeof(string));
// Assert
Assert.True(result, "Type string can be converted from.");
}
