public void ConvertBack_NullString_ReturnsNullCultureInfo()
{
//Arrange
var converter = new CultureInfoStringConverter();
string language = null;
//Act
var converted = converter.ConvertBack(
language, typeof(CultureInfo), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as CultureInfo;
//Assert
Assert.AreEqual(null, convertedAsTargetType);
}
public void ConvertBack_InvalidString_ReturnsNull()
{
//Arrange
var converter = new CultureInfoStringConverter();
var language = "Some name (hel-lo)";
//Act
var converted = converter.ConvertBack(
language, typeof(CultureInfo), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as CultureInfo;
//Assert
Assert.AreEqual(null, convertedAsTargetType);
}
public void Convert_InappropriateType_ReturnsEmptyString()
{
//Arrange
var converter = new CultureInfoStringConverter();
var language = "I am a CultureInfo object";
//Act
var converted = converter.Convert(
language, typeof(string), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as string;
//Assert
Assert.IsInstanceOfType(converted, typeof(string));
Assert.AreEqual(string.Empty, convertedAsTargetType);
}
public void ConvertBack_ValidString_ReturnsCorrespondingCultureInfo()
{
//Arrange
var converter = new CultureInfoStringConverter();
var languageOriginal = new CultureInfo("en-US");
var language = languageOriginal.DisplayName + " (" + languageOriginal.Name + ")";
//Act
var converted = converter.ConvertBack(
language, typeof(CultureInfo), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as CultureInfo;
//Assert
Assert.IsInstanceOfType(converted, typeof(CultureInfo));
Assert.AreEqual(languageOriginal, convertedAsTargetType);
}
public void Convert_InvariantCultureInfo_ReturnsCorrespondingString()
{
//Arrange
var converter = new CultureInfoStringConverter();
var language = CultureInfo.InvariantCulture;
var expectedConverted = language.DisplayName + " (" + language.Name + ")";
//Act
var converted = converter.Convert(
language, typeof(string), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as string;
//Assert
Assert.IsInstanceOfType(converted, typeof(string));
Assert.AreEqual(expectedConverted, convertedAsTargetType);
}
public void ConvertBack_InappropriateType_ReturnsNullCultureInfo()
{
//Arrange
var converter = new CultureInfoStringConverter();
var language = new List <string> {
"I am a string object"
};
//Act
var converted = converter.ConvertBack(
language, typeof(CultureInfo), null, CultureInfo.InvariantCulture);
var convertedAsTargetType = converted as CultureInfo;
//Assert
Assert.AreEqual(null, convertedAsTargetType);
}
