mirror of
https://github.com/golang/go
synced 2024-09-04 23:44:16 +00:00
27 lines
556 B
Go
27 lines
556 B
Go
// 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")
|
|
}
|
|
}
|