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// Copyright 2018 Tobias Klauser. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package sysconf

import (

"os"

"testing"

)

// TestGetNproc tests that sysfs and /proc/stat report the same number of online

// CPUs.

func TestGetNproc(t *testing.T) {

if _, err := os.Stat("/sys/devices/system/cpu/online"); err != nil {

t.Skipf("sysfs not mounted, skipping")

}

nprocSysfs, err := getNprocsSysfs()

if err != nil {

t.Fatalf("getNprocsSysfs: %v", err)

}

nprocProcStat, err := getNprocsProcStat()

if err != nil {

t.Fatalf("getNprocsProcStat: %v", err)

}

if nprocSysfs != nprocProcStat {

t.Errorf("Number of online CPUs not matching. getNprocsSysfs returned %v, getNprocsProcStat returned %v",

nprocSysfs, nprocProcStat)

}

}