Files
sdk/tests/language_2/ackermann_test.dart
T
Bob Nystrom 0947675d6d Migrate the language tests up to arithmetic_test.
This technically steals a few tests from the previous batch that spans
corelib and language, but I wanted to start from the top of the language
tests.

Removed application_test and application_negative_test because they are
useless and the latter has never actually worked correctly since the day
it was transliterated from the long-defunct application file syntax.

R=bkonyi@google.com, whesse@google.com

Review-Url: https://codereview.chromium.org/2984443003 .
2017-07-19 20:30:21 -07:00

23 lines
576 B
Dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Dart version of two-argument Ackermann-Peter function.
import "package:expect/expect.dart";
class AckermannTest {
static int ack(int m, int n) {
return m == 0
? n + 1
: ((n == 0) ? ack(m - 1, 1) : ack(m - 1, ack(m, n - 1)));
}
static testMain() {
Expect.equals(253, ack(3, 5));
}
}
main() {
AckermannTest.testMain();
}