| // Copyright 2016 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. |
| |
| // +build linux |
| |
| // This test is run by src/cmd/dist/test.go (cmd_go_test_terminal), |
| // and not by cmd/go's tests. This is because this test requires |
| // that it be called with its stdout and stderr being a terminal. |
| // dist doesn't run `cmd/go test` against this test directory if |
| // dist's stdout/stderr aren't terminals. |
| // |
| // See issue 18153. |
| |
| package p |
| |
| import ( |
| "syscall" |
| "testing" |
| "unsafe" |
| ) |
| |
| const ioctlReadTermios = syscall.TCGETS |
| |
| // isTerminal reports whether fd is a terminal. |
| func isTerminal(fd uintptr) bool { |
| var termios syscall.Termios |
| _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0) |
| return err == 0 |
| } |
| |
| func TestIsTerminal(t *testing.T) { |
| if !isTerminal(1) { |
| t.Errorf("stdout is not a terminal") |
| } |
| if !isTerminal(2) { |
| t.Errorf("stderr is not a terminal") |
| } |
| } |