tailscale/metrics/metrics_test.go

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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package metrics
import (
"runtime"
"testing"
)
func TestCurrentFileDescriptors(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skipf("skipping on %v", runtime.GOOS)
}
if n := CurrentFDs(); n < 3 {
t.Errorf("got %v; want >= 3", n)
} else {
t.Logf("got %v", n)
}
}
func BenchmarkCurrentFileDescriptors(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = CurrentFDs()
}
}