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// Copyright 2022 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.
//go:build darwin || dragonfly || freebsd || openbsd
package unix_test
import (
"os/exec"
"testing"
"golang.org/x/sys/unix"
)
func TestGetfsstat(t *testing.T) {
n, err := unix.Getfsstat(nil, unix.MNT_NOWAIT)
if err != nil {
t.Fatal(err)
}
data := make([]unix.Statfs_t, n)
n2, err := unix.Getfsstat(data, unix.MNT_NOWAIT)
if err != nil {
t.Fatal(err)
}
if n != n2 {
t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
}
for i, stat := range data {
if stat == (unix.Statfs_t{}) {
t.Errorf("index %v is an empty Statfs_t struct", i)
}
}
if t.Failed() {
for i, stat := range data[:n2] {
t.Logf("data[%v] = %+v", i, stat)
}
mount, err := exec.Command("mount").CombinedOutput()
if err != nil {
t.Logf("mount: %v\n%s", err, mount)
} else {
t.Logf("mount: %s", mount)
}
}
}
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