1// run
2
3// Copyright 2009 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9const B32 = 1<<32 - 1
10const C32 = (-1) & ((1 << 32) - 1)
11const D32 = ^0
12
13func main() {
14	if B32 != 0xFFFFFFFF {
15		println("1<<32 - 1 is", B32, "should be", 0xFFFFFFFF)
16		panic("fail")
17	}
18	if C32 != 0xFFFFFFFF {
19		println("(-1) & ((1<<32) - 1) is", C32, "should be", 0xFFFFFFFF)
20		panic("fail")
21	}
22	if D32 != -1 {
23		println("^0 is", D32, "should be", -1)
24		panic("fail")
25	}
26}
27