blob: e23c75aea1d8c5896a6fd221594c50957c52a094 [file] [log] [blame] [edit]
// 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);
}