1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2010 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.
package utf16_test
import (
"fmt"
"reflect"
"testing"
"unicode"
. "utf16"
)
type encodeTest struct {
in []int
out []uint16
}
var encodeTests = []encodeTest{
{[]int{1, 2, 3, 4}, []uint16{1, 2, 3, 4}},
{[]int{0xffff, 0x10000, 0x10001, 0x12345, 0x10ffff},
[]uint16{0xffff, 0xd800, 0xdc00, 0xd800, 0xdc01, 0xd808, 0xdf45, 0xdbff, 0xdfff}},
{[]int{'a', 'b', 0xd7ff, 0xd800, 0xdfff, 0xe000, 0x110000, -1},
[]uint16{'a', 'b', 0xd7ff, 0xfffd, 0xfffd, 0xe000, 0xfffd, 0xfffd}},
}
func TestEncode(t *testing.T) {
for _, tt := range encodeTests {
out := Encode(tt.in)
if !reflect.DeepEqual(out, tt.out) {
t.Errorf("Encode(%v) = %v; want %v", hex(tt.in), hex16(out), hex16(tt.out))
}
}
}
func TestEncodeRune(t *testing.T) {
for i, tt := range encodeTests {
j := 0
for _, r := range tt.in {
r1, r2 := EncodeRune(r)
if r < 0x10000 || r > unicode.MaxRune {
if j >= len(tt.out) {
t.Errorf("#%d: ran out of tt.out", i)
break
}
if r1 != unicode.ReplacementChar || r2 != unicode.ReplacementChar {
t.Errorf("EncodeRune(%#x) = %#x, %#x; want 0xfffd, 0xfffd", r, r1, r2)
}
j++
} else {
if j+1 >= len(tt.out) {
t.Errorf("#%d: ran out of tt.out", i)
break
}
if r1 != int(tt.out[j]) || r2 != int(tt.out[j+1]) {
t.Errorf("EncodeRune(%#x) = %#x, %#x; want %#x, %#x", r, r1, r2, tt.out[j], tt.out[j+1])
}
j += 2
dec := DecodeRune(r1, r2)
if dec != r {
t.Errorf("DecodeRune(%#x, %#x) = %#x; want %#x", r1, r2, dec, r)
}
}
}
if j != len(tt.out) {
t.Errorf("#%d: EncodeRune didn't generate enough output", i)
}
}
}
type decodeTest struct {
in []uint16
out []int
}
var decodeTests = []decodeTest{
{[]uint16{1, 2, 3, 4}, []int{1, 2, 3, 4}},
{[]uint16{0xffff, 0xd800, 0xdc00, 0xd800, 0xdc01, 0xd808, 0xdf45, 0xdbff, 0xdfff},
[]int{0xffff, 0x10000, 0x10001, 0x12345, 0x10ffff}},
{[]uint16{0xd800, 'a'}, []int{0xfffd, 'a'}},
{[]uint16{0xdfff}, []int{0xfffd}},
}
func TestDecode(t *testing.T) {
for _, tt := range decodeTests {
out := Decode(tt.in)
if !reflect.DeepEqual(out, tt.out) {
t.Errorf("Decode(%v) = %v; want %v", hex16(tt.in), hex(out), hex(tt.out))
}
}
}
type hex []int
func (h hex) Format(f fmt.State, c int) {
fmt.Fprint(f, "[")
for i, v := range h {
if i > 0 {
fmt.Fprint(f, " ")
}
fmt.Fprintf(f, "%x", v)
}
fmt.Fprint(f, "]")
}
type hex16 []uint16
func (h hex16) Format(f fmt.State, c int) {
fmt.Fprint(f, "[")
for i, v := range h {
if i > 0 {
fmt.Fprint(f, " ")
}
fmt.Fprintf(f, "%x", v)
}
fmt.Fprint(f, "]")
}
|
