first commit

pkg/util/snowflake_test.go

@@ -0,0 +1,25 @@
+package util
+
+import (
+	"testing"
+)
+
+func TestNewSnowflake(t *testing.T) {
+	t.Log(nodeBits, sequenceBits,
+		nodeMax, sequenceMax,
+		timestampShift, nodeShift,
+		epoch)
+	snowflake0, _ := NewSnowflake(0)
+	snowflake1, _ := NewSnowflake(1)
+	snowflake2, _ := NewSnowflake(2)
+	for i := 0; i < 100; i++ {
+		t.Log(snowflake0.NextId(), snowflake1.NextId(), snowflake2.NextId())
+	}
+}
+
+func BenchmarkSnowflake_NextId(b *testing.B) {
+	snowflake, _ := NewSnowflake(0)
+	for i := 0; i < b.N; i++ {
+		snowflake.NextId()
+	}
+}