pulsar/internal/buffer_test.go

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 internal

import (
	"testing"

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

func TestBuffer(t *testing.T) {
	b := NewBuffer(1024)
	assert.Equal(t, uint32(0), b.ReadableBytes())
	assert.Equal(t, uint32(1024), b.WritableBytes())
	assert.Equal(t, uint32(1024), b.Capacity())

	b.Write([]byte("hello"))
	assert.Equal(t, uint32(5), b.ReadableBytes())
	assert.Equal(t, uint32(1019), b.WritableBytes())
	assert.Equal(t, uint32(1024), b.Capacity())
}