private static void TestValidCoinCreation(string description, decimal expectedValue)
{
ValidCoin validCoin;
var success = ValidCoin.TryCreate(description, out validCoin);
Assert.That(success, Is.EqualTo(true));
Assert.That(validCoin.Value, Is.EqualTo(expectedValue));
}
private static void TestCoinCreationWithInvalidDescription(string description)
{
ValidCoin validCoin;
var success = ValidCoin.TryCreate(description, out validCoin);
Assert.That(success, Is.EqualTo(false));
Assert.That(validCoin, Is.EqualTo(null));
}