public void getKeyByValue_nonexistingKey_returnsNull()
{
//Arrange
HiraganaCharacters hiragana = new HiraganaCharacters();
//Act
var result = hiragana.getKeyByValue("く");
//Assert
Assert.IsNull(result);
}
public void getKeyByValue_existingKey_returnsProperValue()
{
//Arrange
HiraganaCharacters hiragana = new HiraganaCharacters();
//Act
var result = hiragana.getKeyByValue("ku");
//Assert
Assert.IsNotNull(result);
Assert.AreEqual(result, "く");
}
