public void KeyDecodingShouldReturnOriginalNumber()
{
var settings = new TestKeyConverterSettings();
IKeyConverter keyConverter = new KeyConverter(settings);
long originalValue = 0;
string key = keyConverter.Encode(originalValue);
Assert.Equal(originalValue, keyConverter.Decode(key));
}
public void KeyEncodingShouldReturnsStringOfProperLength()
{
var settings = new TestKeyConverterSettings();
int keyLength = settings.Value.KeyOrder;
IKeyConverter keyConverter = new KeyConverter(settings);
long originalMinValue = 0;
long originalMaxValue = (long)(Math.Pow(keyConverter.AlphabetSize, keyLength) - Math.Pow(keyConverter.AlphabetSize, keyLength - 1)) - 1;
string keyMin = keyConverter.Encode(originalMinValue);
string keyMax = keyConverter.Encode(originalMaxValue);
long exceededMaxValue = originalMaxValue + 1;
string keyAboveMax = keyConverter.Encode(exceededMaxValue);
Assert.Equal(keyLength, keyMin.Length);
Assert.Equal(keyLength, keyMax.Length);
Assert.True(keyAboveMax.Length > keyLength);
}
