github.com/juelite/golang.org-x-sys@v0.0.0-20181121071242-7b69e1c5db33/unix/syscall_bsd_test.go (about)

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build darwin dragonfly freebsd openbsd
     6  
     7  package unix_test
     8  
     9  import (
    10  	"os/exec"
    11  	"runtime"
    12  	"testing"
    13  
    14  	"golang.org/x/sys/unix"
    15  )
    16  
    17  const MNT_WAIT = 1
    18  const MNT_NOWAIT = 2
    19  
    20  func TestGetfsstat(t *testing.T) {
    21  	const flags = MNT_NOWAIT // see golang.org/issue/16937
    22  	n, err := unix.Getfsstat(nil, flags)
    23  	if err != nil {
    24  		t.Fatal(err)
    25  	}
    26  
    27  	data := make([]unix.Statfs_t, n)
    28  	n2, err := unix.Getfsstat(data, flags)
    29  	if err != nil {
    30  		t.Fatal(err)
    31  	}
    32  	if n != n2 {
    33  		t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
    34  	}
    35  	for i, stat := range data {
    36  		if stat == (unix.Statfs_t{}) {
    37  			t.Errorf("index %v is an empty Statfs_t struct", i)
    38  		}
    39  	}
    40  	if t.Failed() {
    41  		for i, stat := range data[:n2] {
    42  			t.Logf("data[%v] = %+v", i, stat)
    43  		}
    44  		mount, err := exec.Command("mount").CombinedOutput()
    45  		if err != nil {
    46  			t.Logf("mount: %v\n%s", err, mount)
    47  		} else {
    48  			t.Logf("mount: %s", mount)
    49  		}
    50  	}
    51  }
    52  
    53  func TestSysctlRaw(t *testing.T) {
    54  	if runtime.GOOS == "openbsd" {
    55  		t.Skip("kern.proc.pid does not exist on OpenBSD")
    56  	}
    57  
    58  	_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
    59  	if err != nil {
    60  		t.Fatal(err)
    61  	}
    62  }