1 files changed, 46 insertions, 0 deletions
diff --git a/util/fasttime_test.go b/util/fasttime_test.go
index c7d86821..c8ff0e13 100644
--- a/util/fasttime_test.go
+++ b/util/fasttime_test.go
@@ -1 +1,47 @@
 package util
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestFTime_UnixNano(t *testing.T) {
+	ft := NewFastTime(time.Millisecond)
+	defer ft.Stop()
+
+	var d int64
+
+	d = time.Now().UnixNano() - ft.UnixNano()
+
+	assert.True(t, d >= 0)
+	assert.True(t, d <= int64(time.Millisecond*2))
+
+	time.Sleep(time.Millisecond * 100)
+	d = time.Now().UnixNano() - ft.UnixNano()
+
+	assert.True(t, d >= 0)
+	assert.True(t, d <= int64(time.Millisecond*2))
+}
+
+func Benchmark_FastTime(b *testing.B) {
+	ft := NewFastTime(time.Microsecond)
+	defer ft.Stop()
+
+	b.ReportAllocs()
+
+	for n := 0; n < b.N; n++ {
+		_ = ft.UnixNano()
+	}
+}
+
+func Benchmark_Time(b *testing.B) {
+	ft := NewFastTime(time.Microsecond)
+	defer ft.Stop()
+
+	b.ReportAllocs()
+
+	for n := 0; n < b.N; n++ {
+		_ = time.Now().UnixNano()
+	}
+}