dart-sdk/tests/language_2/fibo_test.dart
Jaime Wren d18c5c3620 Migrated test block 63 to Dart 2.0
Change-Id: I35b3ceb1ac2aa7fc4e26a28ff814bccba6bbb004
Reviewed-on: https://dart-review.googlesource.com/7200
Commit-Queue: Jaime Wren <jwren@google.com>
Reviewed-by: Jaime Wren <jwren@google.com>
2017-09-28 16:06:08 +00:00

34 lines
861 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 test program calculating the Fibonacci sequence.
import "package:expect/expect.dart";
class Helper {
static int fibonacci(int n) {
int a = 0, b = 1, i = 0;
while (i++ < n) {
a = a + b;
b = a - b;
}
return a;
}
}
class FiboTest {
static testMain() {
Expect.equals(0, Helper.fibonacci(0));
Expect.equals(1, Helper.fibonacci(1));
Expect.equals(1, Helper.fibonacci(2));
Expect.equals(2, Helper.fibonacci(3));
Expect.equals(3, Helper.fibonacci(4));
Expect.equals(5, Helper.fibonacci(5));
Expect.equals(102334155, Helper.fibonacci(40));
}
}
main() {
FiboTest.testMain();
}