Fix benchmark tests

Author: timonwong

README.md

@@ -16,7 +16,7 @@ High performance C99-compatible `strftime` formatter for Go.
 Comparision with the standard library `time.(*Time).Format()`:
 
 ```
-> go test -bench Bench -cpu 4 -benchmem .
+> go test -tags bench -bench Bench -cpu 4 -benchmem .
 
 goos: darwin
 goarch: amd64
@@ -30,7 +30,7 @@ ok      github.com/imperfectgo/go-strftime      4.245s
 Comparision with other libraries:
 
 ```
-> go test -bench Bench -cpu 8 -benchmem ./benchmark
+> go test -tags benchcomp -bench Bench -cpu 8 -benchmem .
 
 goos: darwin
 goarch: amd64
@@ -48,4 +48,5 @@ ok      github.com/imperfectgo/go-strftime/benchmark    10.605s
 ## License
 
 This project can be treated as a derived work of time package from golang standard library.
+
 Licensed under the Modified (3-clause) BSD license.

benchmark_comp_test.go

@@ -1,6 +1,6 @@
 // Copyright 2018 Timon Wong. All rights reserved.
 
-// +build bench
+// +build benchcomp
 
 package strftime_test
 

benchmark_test.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build bench
+
 package strftime_test
 
 import (

example_test.go

@@ -2,23 +2,21 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package strftime_test
+package strftime
 
 import (
 	"fmt"
 	"time"
-
-	"github.com/imperfectgo/go-strftime"
 )
 
 func ExampleFormat() {
 	t := time.Date(2008, 9, 3, 20, 4, 26, 654321000, time.FixedZone("CST", 8*3600))
 
-	fmt.Println(strftime.Format(t, "%c"))
-	fmt.Println(strftime.Format(t, "%Y-%m-%dT%H:%M:%S.%f%z"))
-	fmt.Println(strftime.Format(t, "%A is day number %w of the week."))
-	fmt.Println(strftime.Format(t, "Last century was%n the %Cth century."))
-	fmt.Println(strftime.Format(t, "Time zone: %Z"))
+	fmt.Println(Format(t, "%c"))
+	fmt.Println(Format(t, "%Y-%m-%dT%H:%M:%S.%f%z"))
+	fmt.Println(Format(t, "%A is day number %w of the week."))
+	fmt.Println(Format(t, "Last century was%n the %Cth century."))
+	fmt.Println(Format(t, "Time zone: %Z"))
 
 	// Output:
 	// Wed Sep  3 20:04:26 2008