public void Ok_Success()
{
Result <int, string> wrappedResult = new Success <int, string>(10);
var guard = new ResultGuard <int, string, int>(wrappedResult);
guard.Where(i => i == 5, i => 0);
guard.Where(i => i == 10, i => i * 2);
var result = guard.Do();
Assert.AreEqual(result, 20);
}
public void Ok_Failure_MultipleMatches()
{
Result <int, string> wrappedResult = new Failure <int, string>("Error");
var guard = new ResultGuard <int, string, string>(wrappedResult);
guard.Where(i => i == "Error", i => "first match");
guard.Where(i => i == "Error", i => "second match");
var result = guard.Do();
Assert.AreEqual(result, "first match");
}
public void Ok_Success_MultipleMatches()
{
Result <int, string> wrappedResult = new Success <int, string>(10);
var guard = new ResultGuard <int, string, string>(wrappedResult);
guard.Where(i => i == 10, i => "first match");
guard.Where(i => i == 10, i => "second match");
var result = guard.Do();
Assert.AreEqual(result, "first match");
}
public void Ok_Failure()
{
Result <int, string> wrappedResult = new Failure <int, string>("Error");
var guard = new ResultGuard <int, string, string>(wrappedResult);
guard.Where(i => i == "something", i => string.Empty);
guard.Where(i => i == "Error", i => i + i);
var result = guard.Do();
Assert.AreEqual(result, "ErrorError");
}
public void Ok_Failure_FallsThroughToDefault()
{
Result <int, string> wrappedResult = new Failure <int, string>("Error");
var guard = new ResultGuard <int, string, string>(wrappedResult);
guard.Where(i => i == string.Empty, i => "no match");
guard.Where(i => i == string.Empty, i => "no match");
guard.Default((string i) => "match");
var result = guard.Do();
Assert.AreEqual(result, "match");
}
public void Ok_Success_FallsThroughToDefault()
{
Result <int, string> wrappedResult = new Success <int, string>(10);
var guard = new ResultGuard <int, string, string>(wrappedResult);
guard.Where(i => i == 11, i => "no match");
guard.Where(i => i == 11, i => "no match");
guard.Default((int i) => "match");
var result = guard.Do();
Assert.AreEqual(result, "match");
}