blob: ac0a99d07f9c16ebe1a424f2ce974f5b7c60d67b [file] [log] [blame]
// Copyright (c) 2012, 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";
int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
foo() {
int x = 0;
if (inscrutable(0) == 0) x = -2; // x is now in range [-2 .. 0].
int y = 2;
if (inscrutable(0) == 0) y = 4; // y is now in range [2 .. 4].
int i = y - x; // i should be in range [2 .. 6].
i -= 4; // i should be in range [-2 .. 2]. Actual value: 2.
var a = const [1];
return a[i];
}
main() {
Expect.throwsRangeError(() => foo());
}