bufferpool: Add test

bufferpool/bufpool_test.go

@@ -0,0 +1,27 @@
+// Copyright 2016-present The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bufferpool
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestBufferPool(t *testing.T) {
+	buff := GetBuffer()
+	buff.WriteString("do be do be do")
+	assert.Equal(t, "do be do be do", buff.String())
+	PutBuffer(buff)
+	assert.Equal(t, 0, buff.Len())
+}