| Keith Randall | daa64dd | 2015-01-15 14:39:58 -0800 | [diff] [blame] | 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 | } |
