1 // Copyright (c) 2021 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package zapcore 22 23 import ( 24 "os" 25 "testing" 26 27 "github.com/stretchr/testify/assert" 28 "github.com/stretchr/testify/require" 29 ) 30 31 func BenchmarkBufferedWriteSyncer(b *testing.B) { 32 b.Run("write file with buffer", func(b *testing.B) { 33 file, err := os.CreateTemp(b.TempDir(), "test.log") 34 require.NoError(b, err) 35 36 defer func() { 37 assert.NoError(b, file.Close()) 38 }() 39 40 w := &BufferedWriteSyncer{ 41 WS: AddSync(file), 42 } 43 defer func() { 44 assert.NoError(b, w.Stop(), "failed to stop buffered write syncer") 45 }() 46 b.ResetTimer() 47 b.RunParallel(func(pb *testing.PB) { 48 for pb.Next() { 49 if _, err := w.Write([]byte("foobarbazbabble")); err != nil { 50 b.Fatal(err) 51 } 52 } 53 }) 54 }) 55 } 56