1 // Copyright 2015 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 package simplifiedchinese
11 "golang.org/x/text/encoding"
12 "golang.org/x/text/encoding/internal"
13 "golang.org/x/text/encoding/internal/enctest"
14 "golang.org/x/text/transform"
17 func dec(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
18 return "Decode", e.NewDecoder(), nil
20 func enc(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
21 return "Encode", e.NewEncoder(), internal.ErrASCIIReplacement
24 func TestNonRepertoire(t *testing.T) {
25 // Pick n large enough to overflow the destination buffer of transform.String.
27 testCases := []struct {
28 init func(e encoding.Encoding) (string, transform.Transformer, error)
32 {dec, GBK, "a\xfe\xfeb", "a\ufffdb"},
33 {dec, HZGB2312, "~{z~", "\ufffd"},
36 {enc, GBK, "a갂", "a"},
37 {enc, GBK, "\u4e02갂", "\x81@"},
39 {enc, HZGB2312, "갂", ""},
40 {enc, HZGB2312, "a갂", "a"},
41 {enc, HZGB2312, "\u6cf5갂", "~{1C~}"},
43 {dec, GB18030, "\x80", "€"},
44 {dec, GB18030, "\x81", "\ufffd"},
45 {dec, GB18030, "\x81\x20", "\ufffd "},
46 {dec, GB18030, "\xfe\xfe", "\ufffd"},
47 {dec, GB18030, "\xfe\xff", "\ufffd\ufffd"},
48 {dec, GB18030, "\xfe\x30", "\ufffd0"},
49 {dec, GB18030, "\xfe\x30\x30 ", "\ufffd00 "},
50 {dec, GB18030, "\xfe\x30\xff ", "\ufffd0\ufffd "},
51 {dec, GB18030, "\xfe\x30\x81\x21", "\ufffd0\ufffd!"},
53 {dec, GB18030, strings.Repeat("\xfe\x30", n), strings.Repeat("\ufffd0", n)},
55 {dec, HZGB2312, "~/", "\ufffd"},
56 {dec, HZGB2312, "~{a\x80", "\ufffd"},
57 {dec, HZGB2312, "~{a\x80", "\ufffd"},
58 {dec, HZGB2312, "~{" + strings.Repeat("z~", n), strings.Repeat("\ufffd", n)},
59 {dec, HZGB2312, "~{" + strings.Repeat("\xfe\x30", n), strings.Repeat("\ufffd", n*2)},
61 for _, tc := range testCases {
62 dir, tr, wantErr := tc.init(tc.e)
64 dst, _, err := transform.String(tr, tc.src)
66 t.Errorf("%s %v(%q): got %v; want %v", dir, tc.e, tc.src, err, wantErr)
68 if got := string(dst); got != tc.want {
69 t.Errorf("%s %v(%q):\ngot %q\nwant %q", dir, tc.e, tc.src, got, tc.want)
74 func TestBasics(t *testing.T) {
75 // The encoded forms can be verified by the iconv program:
76 // $ echo 月日は百代 | iconv -f UTF-8 -t SHIFT-JIS | xxd
77 testCases := []struct {
83 // "\u0081\u00de\u00df\u00e0\u00e1\u00e2\u00e3\uffff\U00010000" is a
84 // nonsense string that contains GB18030 encodable codepoints of which
85 // only U+00E0 and U+00E1 are GBK encodable.
87 // "A\u3000\u554a\u4e02\u4e90\u72dc\u7349\u02ca\u2588Z€" is a nonsense
88 // string that contains ASCII and GBK encodable codepoints from Levels
89 // 1-5 as well as the Euro sign.
91 // "A\u43f0\u4c32\U00027267\u3000\U0002910d\u79d4Z€" is a nonsense string
92 // that contains ASCII and Big5 encodable codepoints from the Basic
93 // Multilingual Plane and the Supplementary Ideographic Plane as well as
96 // "花间一壶酒,独酌无相亲。" (simplified) and
97 // "花間一壺酒,獨酌無相親。" (traditional)
98 // are from the 8th century poem "Yuè Xià Dú Zhuó".
100 encoded: "\x81\x30\x81\x31\x81\x30\x89\x37\x81\x30\x89\x38\xa8\xa4\xa8\xa2" +
101 "\x81\x30\x89\x39\x81\x30\x8a\x30\x84\x31\xa4\x39\x90\x30\x81\x30",
102 utf8: "\u0081\u00de\u00df\u00e0\u00e1\u00e2\u00e3\uffff\U00010000",
105 encoded: "\xbb\xa8\xbc\xe4\xd2\xbb\xba\xf8\xbe\xc6\xa3\xac\xb6\xc0\xd7\xc3" +
106 "\xce\xde\xcf\xe0\xc7\xd7\xa1\xa3",
107 utf8: "花间一壶酒,独酌无相亲。",
110 encoded: "A\xa1\xa1\xb0\xa1\x81\x40\x81\x80\xaa\x40\xaa\x80\xa8\x40\xa8\x80Z\x80",
111 utf8: "A\u3000\u554a\u4e02\u4e90\u72dc\u7349\u02ca\u2588Z€",
114 encoded: "\xbb\xa8\xbc\xe4\xd2\xbb\xba\xf8\xbe\xc6\xa3\xac\xb6\xc0\xd7\xc3" +
115 "\xce\xde\xcf\xe0\xc7\xd7\xa1\xa3",
116 utf8: "花间一壶酒,独酌无相亲。",
119 encoded: "A~{\x21\x21~~\x30\x21~}Z~~",
120 utf8: "A\u3000~\u554aZ~",
124 encoded: ";(<dR;:x>F#,6@WCN^O`GW!#",
125 utf8: "花间一壶酒,独酌无相亲。",
128 for _, tc := range testCases {
129 enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, tc.encPrefix, "")
133 func TestFiles(t *testing.T) {
134 enctest.TestFile(t, GB18030)
135 enctest.TestFile(t, GBK)
136 enctest.TestFile(t, HZGB2312)
139 func BenchmarkEncoding(b *testing.B) {
140 enctest.Benchmark(b, GB18030)
141 enctest.Benchmark(b, GBK)
142 enctest.Benchmark(b, HZGB2312)