|  | // 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. | 
|  | // Dart test optimization of modulo operator on Smi. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  |  | 
|  | main() { | 
|  | for (int i = -3000; i < 3000; i++) { | 
|  | Expect.equals(i % 256, foo(i)); | 
|  | Expect.equals(i % -256, boo(i)); | 
|  | try { | 
|  | hoo(i); | 
|  | Expect.fail("Exception expected."); | 
|  | } catch (e) {} | 
|  | } | 
|  | } | 
|  |  | 
|  | foo(i) { | 
|  | return i % 256;  // This will get optimized to AND instruction. | 
|  | } | 
|  |  | 
|  |  | 
|  | boo(i) { | 
|  | return i % -256; | 
|  | } | 
|  |  | 
|  |  | 
|  | hoo(i) { | 
|  | return i % 0; | 
|  | } |