// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd openbsd
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package syscall_test
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import (
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"os/exec"
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"syscall"
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"testing"
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)
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const MNT_WAIT = 1
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const MNT_NOWAIT = 2
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func TestGetfsstat(t *testing.T) {
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const flags = MNT_NOWAIT // see Issue 16937
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n, err := syscall.Getfsstat(nil, flags)
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t.Logf("Getfsstat(nil, %d) = (%v, %v)", flags, n, err)
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if err != nil {
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t.Fatal(err)
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}
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data := make([]syscall.Statfs_t, n)
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n2, err := syscall.Getfsstat(data, flags)
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t.Logf("Getfsstat([]syscall.Statfs_t, %d) = (%v, %v)", flags, n2, err)
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if err != nil {
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t.Fatal(err)
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}
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if n != n2 {
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t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
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}
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for i, stat := range data {
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if stat == (syscall.Statfs_t{}) {
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t.Errorf("index %v is an empty Statfs_t struct", i)
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}
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}
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if t.Failed() {
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for i, stat := range data[:n2] {
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t.Logf("data[%v] = %+v", i, stat)
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}
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mount, err := exec.Command("mount").CombinedOutput()
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if err != nil {
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t.Logf("mount: %v\n%s", err, mount)
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} else {
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t.Logf("mount: %s", mount)
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}
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}
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}
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