// 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 buffer

import (
	"bytes"
	"testing"
)

func TestReadLine(t *testing.T) {
	buf := bytes.NewBuffer([]byte("a\nb\r\nc\n "))
	err := ReadLine(buf, func(line string) bool {
		switch line {
		case "a", "b", "c", "":
		default:
			t.Fatal("TestReadLine")
		}
		return true
	})
	if err != nil {
		t.Fatal("TestReadLine", err)
	}

	buf = bytes.NewBuffer([]byte("a\nb"))
	err = ReadLine(buf, func(line string) bool {
		switch line {
		case "a":
		case "b":
			t.Fatal("TestReadLine")
		default:
			t.Fatal("TestReadLine")
		}
		return false
	})
	if err != nil {
		t.Fatal("TestReadLine", err)
	}
}