Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
34 lines
861 B
Dart
34 lines
861 B
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program calculating the Fibonacci sequence.
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import "package:expect/expect.dart";
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class Helper {
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static int fibonacci(int n) {
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int a = 0, b = 1, i = 0;
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while (i++ < n) {
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a = a + b;
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b = a - b;
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}
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return a;
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}
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}
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class FiboTest {
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static testMain() {
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Expect.equals(0, Helper.fibonacci(0));
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Expect.equals(1, Helper.fibonacci(1));
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Expect.equals(1, Helper.fibonacci(2));
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Expect.equals(2, Helper.fibonacci(3));
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Expect.equals(3, Helper.fibonacci(4));
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Expect.equals(5, Helper.fibonacci(5));
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Expect.equals(102334155, Helper.fibonacci(40));
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}
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}
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main() {
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FiboTest.testMain();
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}
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