|  | // run | 
|  |  | 
|  | // Copyright 2009 The Go Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style | 
|  | // license that can be found in the LICENSE file. | 
|  |  | 
|  | package main | 
|  |  | 
|  | const B32 = 1<<32 - 1 | 
|  | const C32 = (-1) & ((1 << 32) - 1) | 
|  | const D32 = ^0 | 
|  |  | 
|  | func main() { | 
|  | if B32 != 0xFFFFFFFF { | 
|  | println("1<<32 - 1 is", B32, "should be", 0xFFFFFFFF) | 
|  | panic("fail") | 
|  | } | 
|  | if C32 != 0xFFFFFFFF { | 
|  | println("(-1) & ((1<<32) - 1) is", C32, "should be", 0xFFFFFFFF) | 
|  | panic("fail") | 
|  | } | 
|  | if D32 != -1 { | 
|  | println("^0 is", D32, "should be", -1) | 
|  | panic("fail") | 
|  | } | 
|  | } |