Update dependencies, enable pruning for vendor/
So, `dep` got an nice new feature to remove tests and non-go files from `vendor/`, and this brings the size of the vendor directory from ~300MiB down to ~20MiB. We don that now.
This commit is contained in:
Alexander Neumann
parent
3422c1ca83
commit
bff635bc5f
6741 changed files with 26942 additions and 4902033 deletions
499
vendor/golang.org/x/text/encoding/unicode/unicode_test.go
generated
vendored
499
vendor/golang.org/x/text/encoding/unicode/unicode_test.go
generated
vendored
|
|
@ -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)
|
||||
}
|
||||
}
|
||||
}
|
||||
296
vendor/golang.org/x/text/encoding/unicode/utf32/utf32.go
generated
vendored
296
vendor/golang.org/x/text/encoding/unicode/utf32/utf32.go
generated
vendored
|
|
@ -1,296 +0,0 @@
|
|||
// Copyright 2016 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 utf32 provides the UTF-32 Unicode encoding.
|
||||
//
|
||||
// Please note that support for UTF-32 is discouraged as it is a rare and
|
||||
// inefficient encoding, unfit for use as an interchange format. For use
|
||||
// on the web, the W3C strongly discourages its use
|
||||
// (https://www.w3.org/TR/html5/document-metadata.html#charset)
|
||||
// while WHATWG directly prohibits supporting it
|
||||
// (https://html.spec.whatwg.org/multipage/syntax.html#character-encodings).
|
||||
package utf32 // import "golang.org/x/text/encoding/unicode/utf32"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"unicode/utf8"
|
||||
|
||||
"golang.org/x/text/encoding"
|
||||
"golang.org/x/text/encoding/internal/identifier"
|
||||
"golang.org/x/text/transform"
|
||||
)
|
||||
|
||||
// All lists a configuration for each IANA-defined UTF-32 variant.
|
||||
var All = []encoding.Encoding{
|
||||
UTF32(BigEndian, UseBOM),
|
||||
UTF32(BigEndian, IgnoreBOM),
|
||||
UTF32(LittleEndian, IgnoreBOM),
|
||||
}
|
||||
|
||||
// ErrMissingBOM means that decoding UTF-32 input with ExpectBOM did not
|
||||
// find a starting byte order mark.
|
||||
var ErrMissingBOM = errors.New("encoding: missing byte order mark")
|
||||
|
||||
// UTF32 returns a UTF-32 Encoding for the given default endianness and
|
||||
// byte order mark (BOM) policy.
|
||||
//
|
||||
// When decoding from UTF-32 to UTF-8, if the BOMPolicy is IgnoreBOM then
|
||||
// neither BOMs U+FEFF nor ill-formed code units 0xFFFE0000 in the input
|
||||
// stream will affect the endianness used for decoding. Instead BOMs will
|
||||
// be output as their standard UTF-8 encoding "\xef\xbb\xbf" while
|
||||
// 0xFFFE0000 code units will be output as "\xef\xbf\xbd", the standard
|
||||
// UTF-8 encoding for the Unicode replacement character. If the BOMPolicy
|
||||
// is UseBOM or ExpectBOM a starting BOM is not written to the UTF-8
|
||||
// output. Instead, it overrides the default endianness e for the remainder
|
||||
// of the transformation. Any subsequent BOMs U+FEFF or ill-formed code
|
||||
// units 0xFFFE0000 will not affect the endianness used, and will instead
|
||||
// be output as their standard UTF-8 (replacement) encodings. For UseBOM,
|
||||
// if there is no starting BOM, it will proceed with the default
|
||||
// Endianness. For ExpectBOM, in that case, the transformation will return
|
||||
// early with an ErrMissingBOM error.
|
||||
//
|
||||
// When encoding from UTF-8 to UTF-32, a BOM will be inserted at the start
|
||||
// of the output if the BOMPolicy is UseBOM or ExpectBOM. Otherwise, a BOM
|
||||
// will not be inserted. The UTF-8 input does not need to contain a BOM.
|
||||
//
|
||||
// There is no concept of a 'native' endianness. If the UTF-32 data is
|
||||
// produced and consumed in a greater context that implies a certain
|
||||
// endianness, use IgnoreBOM. Otherwise, use ExpectBOM and always produce
|
||||
// and consume a BOM.
|
||||
//
|
||||
// In the language of http://www.unicode.org/faq/utf_bom.html#bom10,
|
||||
// IgnoreBOM corresponds to "Where the precise type of the data stream is
|
||||
// known... the BOM should not be used" and ExpectBOM corresponds to "A
|
||||
// particular protocol... may require use of the BOM".
|
||||
func UTF32(e Endianness, b BOMPolicy) encoding.Encoding {
|
||||
return utf32Encoding{config{e, b}, mibValue[e][b&bomMask]}
|
||||
}
|
||||
|
||||
// mibValue maps Endianness and BOMPolicy settings to MIB constants for UTF-32.
|
||||
// Note that some configurations map to the same MIB identifier.
|
||||
var mibValue = map[Endianness][numBOMValues]identifier.MIB{
|
||||
BigEndian: [numBOMValues]identifier.MIB{
|
||||
IgnoreBOM: identifier.UTF32BE,
|
||||
UseBOM: identifier.UTF32,
|
||||
},
|
||||
LittleEndian: [numBOMValues]identifier.MIB{
|
||||
IgnoreBOM: identifier.UTF32LE,
|
||||
UseBOM: identifier.UTF32,
|
||||
},
|
||||
// ExpectBOM is not widely used and has no valid MIB identifier.
|
||||
}
|
||||
|
||||
// BOMPolicy is a UTF-32 encodings's byte order mark policy.
|
||||
type BOMPolicy uint8
|
||||
|
||||
const (
|
||||
writeBOM BOMPolicy = 0x01
|
||||
acceptBOM BOMPolicy = 0x02
|
||||
requireBOM BOMPolicy = 0x04
|
||||
bomMask BOMPolicy = 0x07
|
||||
|
||||
// HACK: numBOMValues == 8 triggers a bug in the 1.4 compiler (cannot have a
|
||||
// map of an array of length 8 of a type that is also used as a key or value
|
||||
// in another map). See golang.org/issue/11354.
|
||||
// TODO: consider changing this value back to 8 if the use of 1.4.* has
|
||||
// been minimized.
|
||||
numBOMValues = 8 + 1
|
||||
|
||||
// IgnoreBOM means to ignore any byte order marks.
|
||||
IgnoreBOM BOMPolicy = 0
|
||||
// Unicode-compliant interpretation for UTF-32BE/LE.
|
||||
|
||||
// UseBOM means that the UTF-32 form may start with a byte order mark,
|
||||
// which will be used to override the default encoding.
|
||||
UseBOM BOMPolicy = writeBOM | acceptBOM
|
||||
// Unicode-compliant interpretation for UTF-32.
|
||||
|
||||
// ExpectBOM means that the UTF-32 form must start with a byte order mark,
|
||||
// which will be used to override the default encoding.
|
||||
ExpectBOM BOMPolicy = writeBOM | acceptBOM | requireBOM
|
||||
// Consistent with BOMPolicy definition in golang.org/x/text/encoding/unicode
|
||||
)
|
||||
|
||||
// Endianness is a UTF-32 encoding's default endianness.
|
||||
type Endianness bool
|
||||
|
||||
const (
|
||||
// BigEndian is UTF-32BE.
|
||||
BigEndian Endianness = false
|
||||
// LittleEndian is UTF-32LE.
|
||||
LittleEndian Endianness = true
|
||||
)
|
||||
|
||||
type config struct {
|
||||
endianness Endianness
|
||||
bomPolicy BOMPolicy
|
||||
}
|
||||
|
||||
type utf32Encoding struct {
|
||||
config
|
||||
mib identifier.MIB
|
||||
}
|
||||
|
||||
func (u utf32Encoding) NewDecoder() *encoding.Decoder {
|
||||
return &encoding.Decoder{Transformer: &utf32Decoder{
|
||||
initial: u.config,
|
||||
current: u.config,
|
||||
}}
|
||||
}
|
||||
|
||||
func (u utf32Encoding) NewEncoder() *encoding.Encoder {
|
||||
return &encoding.Encoder{Transformer: &utf32Encoder{
|
||||
endianness: u.endianness,
|
||||
initialBOMPolicy: u.bomPolicy,
|
||||
currentBOMPolicy: u.bomPolicy,
|
||||
}}
|
||||
}
|
||||
|
||||
func (u utf32Encoding) ID() (mib identifier.MIB, other string) {
|
||||
return u.mib, ""
|
||||
}
|
||||
|
||||
func (u utf32Encoding) String() string {
|
||||
e, b := "B", ""
|
||||
if u.endianness == LittleEndian {
|
||||
e = "L"
|
||||
}
|
||||
switch u.bomPolicy {
|
||||
case ExpectBOM:
|
||||
b = "Expect"
|
||||
case UseBOM:
|
||||
b = "Use"
|
||||
case IgnoreBOM:
|
||||
b = "Ignore"
|
||||
}
|
||||
return "UTF-32" + e + "E (" + b + " BOM)"
|
||||
}
|
||||
|
||||
type utf32Decoder struct {
|
||||
initial config
|
||||
current config
|
||||
}
|
||||
|
||||
func (u *utf32Decoder) Reset() {
|
||||
u.current = u.initial
|
||||
}
|
||||
|
||||
func (u *utf32Decoder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
|
||||
if len(src) == 0 {
|
||||
if atEOF && u.current.bomPolicy&requireBOM != 0 {
|
||||
return 0, 0, ErrMissingBOM
|
||||
}
|
||||
return 0, 0, nil
|
||||
}
|
||||
if u.current.bomPolicy&acceptBOM != 0 {
|
||||
if len(src) < 4 {
|
||||
return 0, 0, transform.ErrShortSrc
|
||||
}
|
||||
switch {
|
||||
case src[0] == 0x00 && src[1] == 0x00 && src[2] == 0xfe && src[3] == 0xff:
|
||||
u.current.endianness = BigEndian
|
||||
nSrc = 4
|
||||
case src[0] == 0xff && src[1] == 0xfe && src[2] == 0x00 && src[3] == 0x00:
|
||||
u.current.endianness = LittleEndian
|
||||
nSrc = 4
|
||||
default:
|
||||
if u.current.bomPolicy&requireBOM != 0 {
|
||||
return 0, 0, ErrMissingBOM
|
||||
}
|
||||
}
|
||||
u.current.bomPolicy = IgnoreBOM
|
||||
}
|
||||
|
||||
var r rune
|
||||
var dSize, sSize int
|
||||
for nSrc < len(src) {
|
||||
if nSrc+3 < len(src) {
|
||||
x := uint32(src[nSrc+0])<<24 | uint32(src[nSrc+1])<<16 |
|
||||
uint32(src[nSrc+2])<<8 | uint32(src[nSrc+3])
|
||||
if u.current.endianness == LittleEndian {
|
||||
x = x>>24 | (x >> 8 & 0x0000FF00) | (x << 8 & 0x00FF0000) | x<<24
|
||||
}
|
||||
r, sSize = rune(x), 4
|
||||
if dSize = utf8.RuneLen(r); dSize < 0 {
|
||||
r, dSize = utf8.RuneError, 3
|
||||
}
|
||||
} else if atEOF {
|
||||
// 1..3 trailing bytes.
|
||||
r, dSize, sSize = utf8.RuneError, 3, len(src)-nSrc
|
||||
} else {
|
||||
err = transform.ErrShortSrc
|
||||
break
|
||||
}
|
||||
if nDst+dSize > len(dst) {
|
||||
err = transform.ErrShortDst
|
||||
break
|
||||
}
|
||||
nDst += utf8.EncodeRune(dst[nDst:], r)
|
||||
nSrc += sSize
|
||||
}
|
||||
return nDst, nSrc, err
|
||||
}
|
||||
|
||||
type utf32Encoder struct {
|
||||
endianness Endianness
|
||||
initialBOMPolicy BOMPolicy
|
||||
currentBOMPolicy BOMPolicy
|
||||
}
|
||||
|
||||
func (u *utf32Encoder) Reset() {
|
||||
u.currentBOMPolicy = u.initialBOMPolicy
|
||||
}
|
||||
|
||||
func (u *utf32Encoder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
|
||||
if u.currentBOMPolicy&writeBOM != 0 {
|
||||
if len(dst) < 4 {
|
||||
return 0, 0, transform.ErrShortDst
|
||||
}
|
||||
dst[0], dst[1], dst[2], dst[3] = 0x00, 0x00, 0xfe, 0xff
|
||||
u.currentBOMPolicy = IgnoreBOM
|
||||
nDst = 4
|
||||
}
|
||||
|
||||
r, size := rune(0), 0
|
||||
for nSrc < len(src) {
|
||||
r = rune(src[nSrc])
|
||||
|
||||
// Decode a 1-byte rune.
|
||||
if r < utf8.RuneSelf {
|
||||
size = 1
|
||||
|
||||
} else {
|
||||
// Decode a multi-byte rune.
|
||||
r, size = utf8.DecodeRune(src[nSrc:])
|
||||
if size == 1 {
|
||||
// All valid runes of size 1 (those below utf8.RuneSelf) were
|
||||
// handled above. We have invalid UTF-8 or we haven't seen the
|
||||
// full character yet.
|
||||
if !atEOF && !utf8.FullRune(src[nSrc:]) {
|
||||
err = transform.ErrShortSrc
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if nDst+4 > len(dst) {
|
||||
err = transform.ErrShortDst
|
||||
break
|
||||
}
|
||||
|
||||
dst[nDst+0] = uint8(r >> 24)
|
||||
dst[nDst+1] = uint8(r >> 16)
|
||||
dst[nDst+2] = uint8(r >> 8)
|
||||
dst[nDst+3] = uint8(r)
|
||||
nDst += 4
|
||||
nSrc += size
|
||||
}
|
||||
|
||||
if u.endianness == LittleEndian {
|
||||
for i := 0; i < nDst; i += 4 {
|
||||
dst[i], dst[i+1], dst[i+2], dst[i+3] = dst[i+3], dst[i+2], dst[i+1], dst[i]
|
||||
}
|
||||
}
|
||||
return nDst, nSrc, err
|
||||
}
|
||||
248
vendor/golang.org/x/text/encoding/unicode/utf32/utf32_test.go
generated
vendored
248
vendor/golang.org/x/text/encoding/unicode/utf32/utf32_test.go
generated
vendored
|
|
@ -1,248 +0,0 @@
|
|||
// Copyright 2016 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 utf32
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"golang.org/x/text/encoding"
|
||||
"golang.org/x/text/encoding/internal/enctest"
|
||||
"golang.org/x/text/transform"
|
||||
)
|
||||
|
||||
var (
|
||||
utf32LEIB = UTF32(LittleEndian, IgnoreBOM) // UTF-32LE (atypical interpretation)
|
||||
utf32LEUB = UTF32(LittleEndian, UseBOM) // UTF-32, LE
|
||||
// utf32LEEB = UTF32(LittleEndian, ExpectBOM) // UTF-32, LE, Expect - covered in encoding_test.go
|
||||
utf32BEIB = UTF32(BigEndian, IgnoreBOM) // UTF-32BE (atypical interpretation)
|
||||
utf32BEUB = UTF32(BigEndian, UseBOM) // UTF-32 default
|
||||
utf32BEEB = UTF32(BigEndian, ExpectBOM) // UTF-32 Expect
|
||||
)
|
||||
|
||||
func TestBasics(t *testing.T) {
|
||||
testCases := []struct {
|
||||
e encoding.Encoding
|
||||
encPrefix string
|
||||
encSuffix string
|
||||
encoded string
|
||||
utf8 string
|
||||
}{{
|
||||
e: utf32BEIB,
|
||||
encoded: "\x00\x00\x00\x57\x00\x00\x00\xe4\x00\x01\xd5\x65",
|
||||
utf8: "\x57\u00e4\U0001d565",
|
||||
}, {
|
||||
e: UTF32(BigEndian, ExpectBOM),
|
||||
encPrefix: "\x00\x00\xfe\xff",
|
||||
encoded: "\x00\x00\x00\x57\x00\x00\x00\xe4\x00\x01\xd5\x65",
|
||||
utf8: "\x57\u00e4\U0001d565",
|
||||
}, {
|
||||
e: UTF32(LittleEndian, IgnoreBOM),
|
||||
encoded: "\x57\x00\x00\x00\xe4\x00\x00\x00\x65\xd5\x01\x00",
|
||||
utf8: "\x57\u00e4\U0001d565",
|
||||
}, {
|
||||
e: UTF32(LittleEndian, ExpectBOM),
|
||||
encPrefix: "\xff\xfe\x00\x00",
|
||||
encoded: "\x57\x00\x00\x00\xe4\x00\x00\x00\x65\xd5\x01\x00",
|
||||
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, utf32BEIB) }
|
||||
|
||||
func BenchmarkEncoding(b *testing.B) { enctest.Benchmark(b, utf32BEIB) }
|
||||
|
||||
func TestUTF32(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-32 IgnoreBOM dec: empty string",
|
||||
t: utf32BEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 UseBOM dec: empty string",
|
||||
t: utf32BEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 ExpectBOM dec: empty string",
|
||||
err: ErrMissingBOM,
|
||||
t: utf32BEEB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32be dec: Doesn't interpret U+FEFF as BOM",
|
||||
src: "\x00\x00\xFE\xFF\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\uFEFF\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32BEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32be dec: Interprets little endian U+FEFF as invalid",
|
||||
src: "\xFF\xFE\x00\x00\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\uFFFD\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32BEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32le dec: Doesn't interpret U+FEFF as BOM",
|
||||
src: "\xFF\xFE\x00\x00\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\uFEFF\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32LEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32le dec: Interprets big endian U+FEFF as invalid",
|
||||
src: "\x00\x00\xFE\xFF\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\uFFFD\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32LEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 enc: Writes big-endian BOM",
|
||||
src: "\U00012345=Ra",
|
||||
sizeDst: 100,
|
||||
want: "\x00\x00\xFE\xFF\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
nSrc: 7,
|
||||
t: utf32BEUB.NewEncoder(),
|
||||
}, {
|
||||
desc: "utf-32 enc: Writes little-endian BOM",
|
||||
src: "\U00012345=Ra",
|
||||
sizeDst: 100,
|
||||
want: "\xFF\xFE\x00\x00\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
nSrc: 7,
|
||||
t: utf32LEUB.NewEncoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Interprets text using big-endian default when BOM not present",
|
||||
src: "\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 16,
|
||||
t: utf32BEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Interprets text using little-endian default when BOM not present",
|
||||
src: "\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 16,
|
||||
t: utf32LEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: BOM determines encoding BE",
|
||||
src: "\x00\x00\xFE\xFF\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32BEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: BOM determines encoding LE",
|
||||
src: "\xFF\xFE\x00\x00\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32LEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: BOM determines encoding LE, change default",
|
||||
src: "\xFF\xFE\x00\x00\x45\x23\x01\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32BEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: BOM determines encoding BE, change default",
|
||||
src: "\x00\x00\xFE\xFF\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=Ra",
|
||||
nSrc: 20,
|
||||
t: utf32LEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Don't change big-endian byte order mid-stream",
|
||||
src: "\x00\x01\x23\x45\x00\x00\x00\x3D\xFF\xFE\x00\x00\x00\x00\xFE\xFF\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=\uFFFD\uFEFFRa",
|
||||
nSrc: 24,
|
||||
t: utf32BEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Don't change little-endian byte order mid-stream",
|
||||
src: "\x45\x23\x01\x00\x3D\x00\x00\x00\x00\x00\xFE\xFF\xFF\xFE\x00\x00\x52\x00\x00\x00\x61\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\U00012345=\uFFFD\uFEFFRa",
|
||||
nSrc: 24,
|
||||
t: utf32LEUB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Fail on missing BOM when required",
|
||||
src: "\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
sizeDst: 100,
|
||||
want: "",
|
||||
nSrc: 0,
|
||||
err: ErrMissingBOM,
|
||||
t: utf32BEEB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 enc: Short dst",
|
||||
src: "\U00012345=Ra",
|
||||
sizeDst: 15,
|
||||
want: "\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52",
|
||||
nSrc: 6,
|
||||
err: transform.ErrShortDst,
|
||||
t: utf32BEIB.NewEncoder(),
|
||||
}, {
|
||||
desc: "utf-32 enc: Short src",
|
||||
src: "\U00012345=Ra\xC2",
|
||||
notEOF: true,
|
||||
sizeDst: 100,
|
||||
want: "\x00\x01\x23\x45\x00\x00\x00\x3D\x00\x00\x00\x52\x00\x00\x00\x61",
|
||||
nSrc: 7,
|
||||
err: transform.ErrShortSrc,
|
||||
t: utf32BEIB.NewEncoder(),
|
||||
}, {
|
||||
desc: "utf-32 enc: Invalid input",
|
||||
src: "\x80\xC1\xC2\x7F\xC2",
|
||||
sizeDst: 100,
|
||||
want: "\x00\x00\xFF\xFD\x00\x00\xFF\xFD\x00\x00\xFF\xFD\x00\x00\x00\x7F\x00\x00\xFF\xFD",
|
||||
nSrc: 5,
|
||||
t: utf32BEIB.NewEncoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Short dst",
|
||||
src: "\x00\x00\x00\x41",
|
||||
sizeDst: 0,
|
||||
want: "",
|
||||
nSrc: 0,
|
||||
err: transform.ErrShortDst,
|
||||
t: utf32BEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Short src",
|
||||
src: "\x00\x00\x00",
|
||||
notEOF: true,
|
||||
sizeDst: 4,
|
||||
want: "",
|
||||
nSrc: 0,
|
||||
err: transform.ErrShortSrc,
|
||||
t: utf32BEIB.NewDecoder(),
|
||||
}, {
|
||||
desc: "utf-32 dec: Invalid input",
|
||||
src: "\x00\x00\xD8\x00\x00\x00\xDF\xFF\x00\x11\x00\x00\x00\x00\x00",
|
||||
sizeDst: 100,
|
||||
want: "\uFFFD\uFFFD\uFFFD\uFFFD",
|
||||
nSrc: 15,
|
||||
t: utf32BEIB.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)
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue