1 // run 2 3 // Copyright 2015 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 7 package main 8 9 var x uint16 = 0xffff 10 var y uint16 = 0xfffe 11 var a uint16 = 0x7000 12 var b uint16 = 0x9000 13 14 func main() { 15 // Make sure we truncate to smaller-width types after evaluating expressions. 16 // This is a problem for arm where there is no 16-bit comparison op. 17 if ^x != 0 { 18 panic("^uint16(0xffff) != 0") 19 } 20 if ^y != 1 { 21 panic("^uint16(0xfffe) != 1") 22 } 23 if -x != 1 { 24 panic("-uint16(0xffff) != 1") 25 } 26 if a+b != 0 { 27 panic("0x7000+0x9000 != 0") 28 } 29 } 30
