mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 22:31:50 +00:00
284f662022
Change-Id: I764d0457da85b2935e1d83309eab4c4b5b3ea000 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126204 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
22 lines
672 B
Dart
22 lines
672 B
Dart
// Copyright (c) 2013, 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.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
double fib(double n) {
|
|
return n <= 1.0 ? 1.0 : fib(n - 1) + fib(n - 2);
|
|
}
|
|
|
|
main() {
|
|
// Compute the same value in a way that won't be optimized away so the results
|
|
// are different objects in memory.
|
|
var a = fib(5.0) + 1.0;
|
|
var b = fib(4.0) + 4.0;
|
|
|
|
Expect.isTrue(identical(a, b));
|
|
Expect.equals(identityHashCode(a), identityHashCode(b));
|
|
Expect.equals(a, b);
|
|
Expect.equals(a.hashCode, b.hashCode);
|
|
}
|