| // Copyright 2015 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 simplifiedchinese |
| |
| import ( |
| "strings" |
| "testing" |
| |
| "golang.org/x/text/encoding" |
| "golang.org/x/text/encoding/internal" |
| "golang.org/x/text/encoding/internal/enctest" |
| "golang.org/x/text/transform" |
| ) |
| |
| func dec(e encoding.Encoding) (dir string, t transform.Transformer, err error) { |
| return "Decode", e.NewDecoder(), nil |
| } |
| func enc(e encoding.Encoding) (dir string, t transform.Transformer, err error) { |
| return "Encode", e.NewEncoder(), internal.ErrASCIIReplacement |
| } |
| |
| func TestNonRepertoire(t *testing.T) { |
| // Pick n large enough to overflow the destination buffer of transform.String. |
| const n = 10000 |
| testCases := []struct { |
| init func(e encoding.Encoding) (string, transform.Transformer, error) |
| e encoding.Encoding |
| src, want string |
| }{ |
| {dec, GBK, "a\xfe\xfeb", "a\ufffdb"}, |
| {dec, HZGB2312, "~{z~", "\ufffd"}, |
| |
| {enc, GBK, "갂", ""}, |
| {enc, GBK, "a갂", "a"}, |
| {enc, GBK, "\u4e02갂", "\x81@"}, |
| |
| {enc, HZGB2312, "갂", ""}, |
| {enc, HZGB2312, "a갂", "a"}, |
| {enc, HZGB2312, "\u6cf5갂", "~{1C~}"}, |
| |
| {dec, GB18030, "\x80", "€"}, |
| {dec, GB18030, "\x81", "\ufffd"}, |
| {dec, GB18030, "\x81\x20", "\ufffd "}, |
| {dec, GB18030, "\xfe\xfe", "\ufffd"}, |
| {dec, GB18030, "\xfe\xff", "\ufffd\ufffd"}, |
| {dec, GB18030, "\xfe\x30", "\ufffd0"}, |
| {dec, GB18030, "\xfe\x30\x30 ", "\ufffd00 "}, |
| {dec, GB18030, "\xfe\x30\xff ", "\ufffd0\ufffd "}, |
| {dec, GB18030, "\xfe\x30\x81\x21", "\ufffd0\ufffd!"}, |
| |
| {dec, GB18030, strings.Repeat("\xfe\x30", n), strings.Repeat("\ufffd0", n)}, |
| |
| {dec, HZGB2312, "~/", "\ufffd"}, |
| {dec, HZGB2312, "~", "\ufffd"}, |
| {dec, HZGB2312, "~~~", "~\ufffd"}, |
| {dec, HZGB2312, "~{a\x80", "\ufffd"}, |
| {dec, HZGB2312, "~{a\x80", "\ufffd"}, |
| {dec, HZGB2312, "~{" + strings.Repeat("z~", n), strings.Repeat("\ufffd", n)}, |
| {dec, HZGB2312, "~{" + strings.Repeat("\xfe\x30", n), strings.Repeat("\ufffd", n*2)}, |
| } |
| for _, tc := range testCases { |
| dir, tr, wantErr := tc.init(tc.e) |
| |
| dst, _, err := transform.String(tr, tc.src) |
| if err != wantErr { |
| t.Errorf("%s %v(%q): got %v; want %v", dir, tc.e, tc.src, err, wantErr) |
| } |
| if got := string(dst); got != tc.want { |
| t.Errorf("%s %v(%q):\ngot %q\nwant %q", dir, tc.e, tc.src, got, tc.want) |
| } |
| } |
| } |
| |
| func TestBasics(t *testing.T) { |
| // The encoded forms can be verified by the iconv program: |
| // $ echo 月日は百代 | iconv -f UTF-8 -t SHIFT-JIS | xxd |
| testCases := []struct { |
| e encoding.Encoding |
| encPrefix string |
| encoded string |
| utf8 string |
| }{{ |
| // "\u0081\u00de\u00df\u00e0\u00e1\u00e2\u00e3\uffff\U00010000" is a |
| // nonsense string that contains GB18030 encodable codepoints of which |
| // only U+00E0 and U+00E1 are GBK encodable. |
| // |
| // "A\u3000\u554a\u4e02\u4e90\u72dc\u7349\u02ca\u2588Z€" is a nonsense |
| // string that contains ASCII and GBK encodable codepoints from Levels |
| // 1-5 as well as the Euro sign. |
| // |
| // "A\u43f0\u4c32\U00027267\u3000\U0002910d\u79d4Z€" is a nonsense string |
| // that contains ASCII and Big5 encodable codepoints from the Basic |
| // Multilingual Plane and the Supplementary Ideographic Plane as well as |
| // the Euro sign. |
| // |
| // "花间一壶酒,独酌无相亲。" (simplified) and |
| // "花間一壺酒,獨酌無相親。" (traditional) |
| // are from the 8th century poem "Yuè Xià Dú Zhuó". |
| e: GB18030, |
| encoded: "\x81\x30\x81\x31\x81\x30\x89\x37\x81\x30\x89\x38\xa8\xa4\xa8\xa2" + |
| "\x81\x30\x89\x39\x81\x30\x8a\x30\x84\x31\xa4\x39\x90\x30\x81\x30", |
| utf8: "\u0081\u00de\u00df\u00e0\u00e1\u00e2\u00e3\uffff\U00010000", |
| }, { |
| e: GB18030, |
| encoded: "\xbb\xa8\xbc\xe4\xd2\xbb\xba\xf8\xbe\xc6\xa3\xac\xb6\xc0\xd7\xc3" + |
| "\xce\xde\xcf\xe0\xc7\xd7\xa1\xa3", |
| utf8: "花间一壶酒,独酌无相亲。", |
| }, { |
| e: GBK, |
| encoded: "A\xa1\xa1\xb0\xa1\x81\x40\x81\x80\xaa\x40\xaa\x80\xa8\x40\xa8\x80Z\x80", |
| utf8: "A\u3000\u554a\u4e02\u4e90\u72dc\u7349\u02ca\u2588Z€", |
| }, { |
| e: GBK, |
| encoded: "\xbb\xa8\xbc\xe4\xd2\xbb\xba\xf8\xbe\xc6\xa3\xac\xb6\xc0\xd7\xc3" + |
| "\xce\xde\xcf\xe0\xc7\xd7\xa1\xa3", |
| utf8: "花间一壶酒,独酌无相亲。", |
| }, { |
| e: HZGB2312, |
| encoded: "A~{\x21\x21~~\x30\x21~}Z~~", |
| utf8: "A\u3000~\u554aZ~", |
| }, { |
| e: HZGB2312, |
| encPrefix: "~{", |
| encoded: ";(<dR;:x>F#,6@WCN^O`GW!#", |
| utf8: "花间一壶酒,独酌无相亲。", |
| }} |
| |
| for _, tc := range testCases { |
| enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, tc.encPrefix, "") |
| } |
| } |
| |
| func TestFiles(t *testing.T) { |
| enctest.TestFile(t, GB18030) |
| enctest.TestFile(t, GBK) |
| enctest.TestFile(t, HZGB2312) |
| } |
| |
| func BenchmarkEncoding(b *testing.B) { |
| enctest.Benchmark(b, GB18030) |
| enctest.Benchmark(b, GBK) |
| enctest.Benchmark(b, HZGB2312) |
| } |