Files
sdk/tests/language/value_range2_test.dart
T
lrn@google.com 7e6ae8ea09 Renaming IndexOutOfRangeException to RangeError.
It now extends ArgumentError.

Review URL: https://codereview.chromium.org//11275042

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@14405 260f80e4-7a28-3924-810f-c04153c831b5
2012-11-01 13:46:30 +00:00

23 lines
691 B
Dart

// 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.
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.throws(() => foo(),
(e) => e is RangeError);
}