summaryrefslogtreecommitdiffstats
path: root/src/encoding/base64/example_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/encoding/base64/example_test.go')
-rw-r--r--src/encoding/base64/example_test.go83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/encoding/base64/example_test.go b/src/encoding/base64/example_test.go
new file mode 100644
index 0000000..61a3adc
--- /dev/null
+++ b/src/encoding/base64/example_test.go
@@ -0,0 +1,83 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Keep in sync with ../base32/example_test.go.
+
+package base64_test
+
+import (
+ "encoding/base64"
+ "fmt"
+ "os"
+)
+
+func Example() {
+ msg := "Hello, 世界"
+ encoded := base64.StdEncoding.EncodeToString([]byte(msg))
+ fmt.Println(encoded)
+ decoded, err := base64.StdEncoding.DecodeString(encoded)
+ if err != nil {
+ fmt.Println("decode error:", err)
+ return
+ }
+ fmt.Println(string(decoded))
+ // Output:
+ // SGVsbG8sIOS4lueVjA==
+ // Hello, 世界
+}
+
+func ExampleEncoding_EncodeToString() {
+ data := []byte("any + old & data")
+ str := base64.StdEncoding.EncodeToString(data)
+ fmt.Println(str)
+ // Output:
+ // YW55ICsgb2xkICYgZGF0YQ==
+}
+
+func ExampleEncoding_Encode() {
+ data := []byte("Hello, world!")
+ dst := make([]byte, base64.StdEncoding.EncodedLen(len(data)))
+ base64.StdEncoding.Encode(dst, data)
+ fmt.Println(string(dst))
+ // Output:
+ // SGVsbG8sIHdvcmxkIQ==
+}
+
+func ExampleEncoding_DecodeString() {
+ str := "c29tZSBkYXRhIHdpdGggACBhbmQg77u/"
+ data, err := base64.StdEncoding.DecodeString(str)
+ if err != nil {
+ fmt.Println("error:", err)
+ return
+ }
+ fmt.Printf("%q\n", data)
+ // Output:
+ // "some data with \x00 and \ufeff"
+}
+
+func ExampleEncoding_Decode() {
+ str := "SGVsbG8sIHdvcmxkIQ=="
+ dst := make([]byte, base64.StdEncoding.DecodedLen(len(str)))
+ n, err := base64.StdEncoding.Decode(dst, []byte(str))
+ if err != nil {
+ fmt.Println("decode error:", err)
+ return
+ }
+ dst = dst[:n]
+ fmt.Printf("%q\n", dst)
+ // Output:
+ // "Hello, world!"
+}
+
+func ExampleNewEncoder() {
+ input := []byte("foo\x00bar")
+ encoder := base64.NewEncoder(base64.StdEncoding, os.Stdout)
+ encoder.Write(input)
+ // Must close the encoder when finished to flush any partial blocks.
+ // If you comment out the following line, the last partial block "r"
+ // won't be encoded.
+ encoder.Close()
+ // Output:
+ // Zm9vAGJhcg==
+}