// Copyright (c) 2019 The Jaeger Authors.
// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 servers

import (
	"io"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestReadBuf_EOF(t *testing.T) {
	b := ReadBuf{}
	n, err := b.Read(nil)
	assert.Equal(t, 0, n)
	assert.Equal(t, io.EOF, err)
}

func TestReadBuf_Read(t *testing.T) {
	b := &ReadBuf{bytes: []byte("hello"), n: 5}
	r := make([]byte, 5)
	n, err := b.Read(r)
	assert.NoError(t, err)
	assert.Equal(t, 5, n)
	assert.Equal(t, "hello", string(r))
}
