diff options
Diffstat (limited to 'src/unicode/utf8/example_test.go')
| -rw-r--r-- | src/unicode/utf8/example_test.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/unicode/utf8/example_test.go b/src/unicode/utf8/example_test.go index 7b3e7ac742..5cd931d242 100644 --- a/src/unicode/utf8/example_test.go +++ b/src/unicode/utf8/example_test.go @@ -107,6 +107,26 @@ func ExampleEncodeRune() { // 3 } +func ExampleEncodeRune_outOfRange() { + runes := []rune{ + // Less than 0, out of range. + -1, + // Greater than 0x10FFFF, out of range. + 0x110000, + // The Unicode replacement character. + utf8.RuneError, + } + for i, c := range runes { + buf := make([]byte, 3) + size := utf8.EncodeRune(buf, c) + fmt.Printf("%d: %d %[2]s %d\n", i, buf, size) + } + // Output: + // 0: [239 191 189] � 3 + // 1: [239 191 189] � 3 + // 2: [239 191 189] � 3 +} + func ExampleFullRune() { buf := []byte{228, 184, 150} // 世 fmt.Println(utf8.FullRune(buf)) |