From 1cc0f071d9bb121baf20de18e0c555e58e2f33af Mon Sep 17 00:00:00 2001
From: kevin <wanjunfeng@gmail.com>
Date: Wed, 7 Oct 2020 18:07:54 +0800
Subject: [PATCH] add more tests

---
 core/stat/internal/cpu_linux_test.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/core/stat/internal/cpu_linux_test.go b/core/stat/internal/cpu_linux_test.go
index c126e92c..20be6f45 100644
--- a/core/stat/internal/cpu_linux_test.go
+++ b/core/stat/internal/cpu_linux_test.go
@@ -1,6 +1,14 @@
 package internal
 
-import "testing"
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRefreshCpu(t *testing.T) {
+	assert.True(t, RefreshCpu() >= 0)
+}
 
 func BenchmarkRefreshCpu(b *testing.B) {
 	for i := 0; i < b.N; i++ {