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Diffstat (limited to 'vendor/golang.org/x/text/encoding/unicode/unicode_test.go')
-rw-r--r--vendor/golang.org/x/text/encoding/unicode/unicode_test.go499
1 files changed, 0 insertions, 499 deletions
diff --git a/vendor/golang.org/x/text/encoding/unicode/unicode_test.go b/vendor/golang.org/x/text/encoding/unicode/unicode_test.go
deleted file mode 100644
index 51b4712..0000000
--- a/vendor/golang.org/x/text/encoding/unicode/unicode_test.go
+++ /dev/null
@@ -1,499 +0,0 @@
-// 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 unicode
-
-import (
- "testing"
-
- "golang.org/x/text/encoding"
- "golang.org/x/text/encoding/charmap"
- "golang.org/x/text/encoding/internal/enctest"
- "golang.org/x/text/transform"
-)
-
-func TestBasics(t *testing.T) {
- testCases := []struct {
- e encoding.Encoding
- encPrefix string
- encSuffix string
- encoded string
- utf8 string
- }{{
- e: utf16BEIB,
- encoded: "\x00\x57\x00\xe4\xd8\x35\xdd\x65",
- utf8: "\x57\u00e4\U0001d565",
- }, {
- e: utf16BEEB,
- encPrefix: "\xfe\xff",
- encoded: "\x00\x57\x00\xe4\xd8\x35\xdd\x65",
- utf8: "\x57\u00e4\U0001d565",
- }, {
- e: utf16LEIB,
- encoded: "\x57\x00\xe4\x00\x35\xd8\x65\xdd",
- utf8: "\x57\u00e4\U0001d565",
- }, {
- e: utf16LEEB,
- encPrefix: "\xff\xfe",
- encoded: "\x57\x00\xe4\x00\x35\xd8\x65\xdd",
- utf8: "\x57\u00e4\U0001d565",
- }}
-
- for _, tc := range testCases {
- enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, tc.encPrefix, tc.encSuffix)
- }
-}
-
-func TestFiles(t *testing.T) {
- enctest.TestFile(t, UTF8)
- enctest.TestFile(t, utf16LEIB)
-}
-
-func BenchmarkEncoding(b *testing.B) {
- enctest.Benchmark(b, UTF8)
- enctest.Benchmark(b, utf16LEIB)
-}
-
-var (
- utf16LEIB = UTF16(LittleEndian, IgnoreBOM) // UTF-16LE (atypical interpretation)
- utf16LEUB = UTF16(LittleEndian, UseBOM) // UTF-16, LE
- utf16LEEB = UTF16(LittleEndian, ExpectBOM) // UTF-16, LE, Expect
- utf16BEIB = UTF16(BigEndian, IgnoreBOM) // UTF-16BE (atypical interpretation)
- utf16BEUB = UTF16(BigEndian, UseBOM) // UTF-16 default
- utf16BEEB = UTF16(BigEndian, ExpectBOM) // UTF-16 Expect
-)
-
-func TestUTF16(t *testing.T) {
- testCases := []struct {
- desc string
- src string
- notEOF bool // the inverse of atEOF
- sizeDst int
- want string
- nSrc int
- err error
- t transform.Transformer
- }{{
- desc: "utf-16 IgnoreBOM dec: empty string",
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16 UseBOM dec: empty string",
- t: utf16BEUB.NewDecoder(),
- }, {
- desc: "utf-16 ExpectBOM dec: empty string",
- err: ErrMissingBOM,
- t: utf16BEEB.NewDecoder(),
- }, {
- desc: "utf-16 dec: BOM determines encoding BE (RFC 2781:3.3)",
- src: "\xFE\xFF\xD8\x08\xDF\x45\x00\x3D\x00\x52\x00\x61",
- sizeDst: 100,
- want: "\U00012345=Ra",
- nSrc: 12,
- t: utf16BEUB.NewDecoder(),
- }, {
- desc: "utf-16 dec: BOM determines encoding LE (RFC 2781:3.3)",
- src: "\xFF\xFE\x08\xD8\x45\xDF\x3D\x00\x52\x00\x61\x00",
- sizeDst: 100,
- want: "\U00012345=Ra",
- nSrc: 12,
- t: utf16LEUB.NewDecoder(),
- }, {
- desc: "utf-16 dec: BOM determines encoding LE, change default (RFC 2781:3.3)",
- src: "\xFF\xFE\x08\xD8\x45\xDF\x3D\x00\x52\x00\x61\x00",
- sizeDst: 100,
- want: "\U00012345=Ra",
- nSrc: 12,
- t: utf16BEUB.NewDecoder(),
- }, {
- desc: "utf-16 dec: Fail on missing BOM when required",
- src: "\x08\xD8\x45\xDF\x3D\x00\xFF\xFE\xFE\xFF\x00\x52\x00\x61",
- sizeDst: 100,
- want: "",
- nSrc: 0,
- err: ErrMissingBOM,
- t: utf16BEEB.NewDecoder(),
- }, {
- desc: "utf-16 dec: SHOULD interpret text as big-endian when BOM not present (RFC 2781:4.3)",
- src: "\xD8\x08\xDF\x45\x00\x3D\x00\x52\x00\x61",
- sizeDst: 100,
- want: "\U00012345=Ra",
- nSrc: 10,
- t: utf16BEUB.NewDecoder(),
- }, {
- // This is an error according to RFC 2781. But errors in RFC 2781 are
- // open to interpretations, so I guess this is fine.
- desc: "utf-16le dec: incorrect BOM is an error (RFC 2781:4.1)",
- src: "\xFE\xFF\x08\xD8\x45\xDF\x3D\x00\x52\x00\x61\x00",
- sizeDst: 100,
- want: "\uFFFE\U00012345=Ra",
- nSrc: 12,
- t: utf16LEIB.NewDecoder(),
- }, {
- desc: "utf-16 enc: SHOULD write BOM (RFC 2781:3.3)",
- src: "\U00012345=Ra",
- sizeDst: 100,
- want: "\xFF\xFE\x08\xD8\x45\xDF\x3D\x00\x52\x00\x61\x00",
- nSrc: 7,
- t: utf16LEUB.NewEncoder(),
- }, {
- desc: "utf-16 enc: SHOULD write BOM (RFC 2781:3.3)",
- src: "\U00012345=Ra",
- sizeDst: 100,
- want: "\xFE\xFF\xD8\x08\xDF\x45\x00\x3D\x00\x52\x00\x61",
- nSrc: 7,
- t: utf16BEUB.NewEncoder(),
- }, {
- desc: "utf-16le enc: MUST NOT write BOM (RFC 2781:3.3)",
- src: "\U00012345=Ra",
- sizeDst: 100,
- want: "\x08\xD8\x45\xDF\x3D\x00\x52\x00\x61\x00",
- nSrc: 7,
- t: utf16LEIB.NewEncoder(),
- }, {
- desc: "utf-16be dec: incorrect UTF-16: odd bytes",
- src: "\x00",
- sizeDst: 100,
- want: "\uFFFD",
- nSrc: 1,
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16be dec: unpaired surrogate, odd bytes",
- src: "\xD8\x45\x00",
- sizeDst: 100,
- want: "\uFFFD\uFFFD",
- nSrc: 3,
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16be dec: unpaired low surrogate + valid text",
- src: "\xD8\x45\x00a",
- sizeDst: 100,
- want: "\uFFFDa",
- nSrc: 4,
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16be dec: unpaired low surrogate + valid text + single byte",
- src: "\xD8\x45\x00ab",
- sizeDst: 100,
- want: "\uFFFDa\uFFFD",
- nSrc: 5,
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16le dec: unpaired high surrogate",
- src: "\x00\x00\x00\xDC\x12\xD8",
- sizeDst: 100,
- want: "\x00\uFFFD\uFFFD",
- nSrc: 6,
- t: utf16LEIB.NewDecoder(),
- }, {
- desc: "utf-16be dec: two unpaired low surrogates",
- src: "\xD8\x45\xD8\x12",
- sizeDst: 100,
- want: "\uFFFD\uFFFD",
- nSrc: 4,
- t: utf16BEIB.NewDecoder(),
- }, {
- desc: "utf-16be dec: short dst",
- src: "\x00a",
- sizeDst: 0,
- want: "",
- nSrc: 0,
- t: utf16BEIB.NewDecoder(),
- err: transform.ErrShortDst,
- }, {
- desc: "utf-16be dec: short dst surrogate",
- src: "\xD8\xF5\xDC\x12",
- sizeDst: 3,
- want: "",
- nSrc: 0,
- t: utf16BEIB.NewDecoder(),
- err: transform.ErrShortDst,
- }, {
- desc: "utf-16be dec: short dst trailing byte",
- src: "\x00",
- sizeDst: 2,
- want: "",
- nSrc: 0,
- t: utf16BEIB.NewDecoder(),
- err: transform.ErrShortDst,
- }, {
- desc: "utf-16be dec: short src",
- src: "\x00",
- notEOF: true,
- sizeDst: 3,
- want: "",
- nSrc: 0,
- t: utf16BEIB.NewDecoder(),
- err: transform.ErrShortSrc,
- }, {
- desc: "utf-16 enc",
- src: "\U00012345=Ra",
- sizeDst: 100,
- want: "\xFE\xFF\xD8\x08\xDF\x45\x00\x3D\x00\x52\x00\x61",
- nSrc: 7,
- t: utf16BEUB.NewEncoder(),
- }, {
- desc: "utf-16 enc: short dst normal",
- src: "\U00012345=Ra",
- sizeDst: 9,
- want: "\xD8\x08\xDF\x45\x00\x3D\x00\x52",
- nSrc: 6,
- t: utf16BEIB.NewEncoder(),
- err: transform.ErrShortDst,
- }, {
- desc: "utf-16 enc: short dst surrogate",
- src: "\U00012345=Ra",
- sizeDst: 3,
- want: "",
- nSrc: 0,
- t: utf16BEIB.NewEncoder(),
- err: transform.ErrShortDst,
- }, {
- desc: "utf-16 enc: short src",
- src: "\U00012345=Ra\xC2",
- notEOF: true,
- sizeDst: 100,
- want: "\xD8\x08\xDF\x45\x00\x3D\x00\x52\x00\x61",
- nSrc: 7,
- t: utf16BEIB.NewEncoder(),
- err: transform.ErrShortSrc,
- }, {
- desc: "utf-16be dec: don't change byte order mid-stream",
- src: "\xFE\xFF\xD8\x08\xDF\x45\x00\x3D\xFF\xFE\x00\x52\x00\x61",
- sizeDst: 100,
- want: "\U00012345=\ufffeRa",
- nSrc: 14,
- t: utf16BEUB.NewDecoder(),
- }, {
- desc: "utf-16le dec: don't change byte order mid-stream",
- src: "\xFF\xFE\x08\xD8\x45\xDF\x3D\x00\xFF\xFE\xFE\xFF\x52\x00\x61\x00",
- sizeDst: 100,
- want: "\U00012345=\ufeff\ufffeRa",
- nSrc: 16,
- t: utf16LEUB.NewDecoder(),
- }}
- for i, tc := range testCases {
- b := make([]byte, tc.sizeDst)
- nDst, nSrc, err := tc.t.Transform(b, []byte(tc.src), !tc.notEOF)
- if err != tc.err {
- t.Errorf("%d:%s: error was %v; want %v", i, tc.desc, err, tc.err)
- }
- if got := string(b[:nDst]); got != tc.want {
- t.Errorf("%d:%s: result was %q: want %q", i, tc.desc, got, tc.want)
- }
- if nSrc != tc.nSrc {
- t.Errorf("%d:%s: nSrc was %d; want %d", i, tc.desc, nSrc, tc.nSrc)
- }
- }
-}
-
-func TestUTF8Decoder(t *testing.T) {
- testCases := []struct {
- desc string
- src string
- notEOF bool // the inverse of atEOF
- sizeDst int
- want string
- nSrc int
- err error
- }{{
- desc: "empty string, empty dest buffer",
- }, {
- desc: "empty string",
- sizeDst: 8,
- }, {
- desc: "empty string, streaming",
- notEOF: true,
- sizeDst: 8,
- }, {
- desc: "ascii",
- src: "abcde",
- sizeDst: 8,
- want: "abcde",
- nSrc: 5,
- }, {
- desc: "ascii and error",
- src: "ab\x80de",
- sizeDst: 7,
- want: "ab\ufffdde",
- nSrc: 5,
- }, {
- desc: "valid two-byte sequence",
- src: "a\u0300bc",
- sizeDst: 7,
- want: "a\u0300bc",
- nSrc: 5,
- }, {
- desc: "valid three-byte sequence",
- src: "a\u0300中",
- sizeDst: 7,
- want: "a\u0300中",
- nSrc: 6,
- }, {
- desc: "valid four-byte sequence",
- src: "a中\U00016F50",
- sizeDst: 8,
- want: "a中\U00016F50",
- nSrc: 8,
- }, {
- desc: "short source buffer",
- src: "abc\xf0\x90",
- notEOF: true,
- sizeDst: 10,
- want: "abc",
- nSrc: 3,
- err: transform.ErrShortSrc,
- }, {
- // We don't check for the maximal subpart of an ill-formed subsequence
- // at the end of an open segment.
- desc: "complete invalid that looks like short at end",
- src: "abc\xf0\x80",
- notEOF: true,
- sizeDst: 10,
- want: "abc", // instead of "abc\ufffd\ufffd",
- nSrc: 3,
- err: transform.ErrShortSrc,
- }, {
- desc: "incomplete sequence at end",
- src: "a\x80bc\xf0\x90",
- sizeDst: 9,
- want: "a\ufffdbc\ufffd",
- nSrc: 6,
- }, {
- desc: "invalid second byte",
- src: "abc\xf0dddd",
- sizeDst: 10,
- want: "abc\ufffddddd",
- nSrc: 8,
- }, {
- desc: "invalid second byte at end",
- src: "abc\xf0d",
- sizeDst: 10,
- want: "abc\ufffdd",
- nSrc: 5,
- }, {
- desc: "invalid third byte",
- src: "a\u0300bc\xf0\x90dddd",
- sizeDst: 12,
- want: "a\u0300bc\ufffddddd",
- nSrc: 11,
- }, {
- desc: "invalid third byte at end",
- src: "a\u0300bc\xf0\x90d",
- sizeDst: 12,
- want: "a\u0300bc\ufffdd",
- nSrc: 8,
- }, {
- desc: "invalid fourth byte, tight buffer",
- src: "a\u0300bc\xf0\x90\x80d",
- sizeDst: 9,
- want: "a\u0300bc\ufffdd",
- nSrc: 9,
- }, {
- desc: "invalid fourth byte at end",
- src: "a\u0300bc\xf0\x90\x80",
- sizeDst: 8,
- want: "a\u0300bc\ufffd",
- nSrc: 8,
- }, {
- desc: "invalid fourth byte and short four byte sequence",
- src: "a\u0300bc\xf0\x90\x80\xf0\x90\x80",
- notEOF: true,
- sizeDst: 20,
- want: "a\u0300bc\ufffd",
- nSrc: 8,
- err: transform.ErrShortSrc,
- }, {
- desc: "valid four-byte sequence overflowing short buffer",
- src: "a\u0300bc\xf0\x90\x80\x80",
- notEOF: true,
- sizeDst: 8,
- want: "a\u0300bc",
- nSrc: 5,
- err: transform.ErrShortDst,
- }, {
- desc: "invalid fourth byte at end short, but short dst",
- src: "a\u0300bc\xf0\x90\x80\xf0\x90\x80",
- notEOF: true,
- sizeDst: 8,
- // More bytes would fit in the buffer, but this seems to require a more
- // complicated and slower algorithm.
- want: "a\u0300bc", // instead of "a\u0300bc"
- nSrc: 5,
- err: transform.ErrShortDst,
- }, {
- desc: "short dst for error",
- src: "abc\x80",
- notEOF: true,
- sizeDst: 5,
- want: "abc",
- nSrc: 3,
- err: transform.ErrShortDst,
- }, {
- desc: "adjusting short dst buffer",
- src: "abc\x80ef",
- notEOF: true,
- sizeDst: 6,
- want: "abc\ufffd",
- nSrc: 4,
- err: transform.ErrShortDst,
- }}
- tr := UTF8.NewDecoder()
- for i, tc := range testCases {
- b := make([]byte, tc.sizeDst)
- nDst, nSrc, err := tr.Transform(b, []byte(tc.src), !tc.notEOF)
- if err != tc.err {
- t.Errorf("%d:%s: error was %v; want %v", i, tc.desc, err, tc.err)
- }
- if got := string(b[:nDst]); got != tc.want {
- t.Errorf("%d:%s: result was %q: want %q", i, tc.desc, got, tc.want)
- }
- if nSrc != tc.nSrc {
- t.Errorf("%d:%s: nSrc was %d; want %d", i, tc.desc, nSrc, tc.nSrc)
- }
- }
-}
-
-func TestBOMOverride(t *testing.T) {
- dec := BOMOverride(charmap.CodePage437.NewDecoder())
- dst := make([]byte, 100)
- for i, tc := range []struct {
- src string
- atEOF bool
- dst string
- nSrc int
- err error
- }{
- 0: {"H\x82ll\x93", true, "Héllô", 5, nil},
- 1: {"\uFEFFHéllö", true, "Héllö", 10, nil},
- 2: {"\xFE\xFF\x00H\x00e\x00l\x00l\x00o", true, "Hello", 12, nil},
- 3: {"\xFF\xFEH\x00e\x00l\x00l\x00o\x00", true, "Hello", 12, nil},
- 4: {"\uFEFF", true, "", 3, nil},
- 5: {"\xFE\xFF", true, "", 2, nil},
- 6: {"\xFF\xFE", true, "", 2, nil},
- 7: {"\xEF\xBB", true, "\u2229\u2557", 2, nil},
- 8: {"\xEF", true, "\u2229", 1, nil},
- 9: {"", true, "", 0, nil},
- 10: {"\xFE", true, "\u25a0", 1, nil},
- 11: {"\xFF", true, "\u00a0", 1, nil},
- 12: {"\xEF\xBB", false, "", 0, transform.ErrShortSrc},
- 13: {"\xEF", false, "", 0, transform.ErrShortSrc},
- 14: {"", false, "", 0, transform.ErrShortSrc},
- 15: {"\xFE", false, "", 0, transform.ErrShortSrc},
- 16: {"\xFF", false, "", 0, transform.ErrShortSrc},
- 17: {"\xFF\xFE", false, "", 0, transform.ErrShortSrc},
- } {
- dec.Reset()
- nDst, nSrc, err := dec.Transform(dst, []byte(tc.src), tc.atEOF)
- got := string(dst[:nDst])
- if nSrc != tc.nSrc {
- t.Errorf("%d: nSrc: got %d; want %d", i, nSrc, tc.nSrc)
- }
- if got != tc.dst {
- t.Errorf("%d: got %+q; want %+q", i, got, tc.dst)
- }
- if err != tc.err {
- t.Errorf("%d: error: got %v; want %v", i, err, tc.err)
- }
- }
-}