/*
 * Copyright 2022 CloudWeGo Authors
 *
 * 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 nphttp2

import (
	"testing"

	"github.com/cloudwego/kitex/internal/test"
)

func TestBuffer(t *testing.T) {
	// test NewBuffer()
	grpcConn := newMockNpConn(mockAddr0)
	grpcConn.mockConn.ReadFunc = func(b []byte) (n int, err error) {
		s := make([]byte, len(b))
		copy(b, s)
		return len(b), nil
	}
	buffer := newBuffer(grpcConn)

	// mock conn only return bytes with 0,0,0.....
	testBytes := []byte{0, 0, 0, 0, 0}
	err := buffer.WriteData(testBytes)
	test.Assert(t, err == nil, err)

	ret, err := buffer.Next(len(testBytes))
	test.Assert(t, err == nil, err)
	test.Assert(t, string(ret) == string(testBytes))

	err = buffer.WriteHeader(testBytes)
	test.Assert(t, err == nil, err)

	err = buffer.Flush()
	test.Assert(t, err == nil, err)

	err = buffer.Release(nil)
	test.Assert(t, err == nil, err)
}
