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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)
}
}
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