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This commit is contained in:
Ken-Håvard Lieng 2017-04-18 03:02:51 +02:00
parent ebee2746d6
commit 971278e7e5
1748 changed files with 196165 additions and 194500 deletions
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130
vendor/golang.org/x/text/unicode/norm/composition_test.go generated vendored
View file

@ -1,130 +0,0 @@
// Copyright 2011 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 norm
import "testing"
// TestCase is used for most tests.
type TestCase struct {
in []rune
out []rune
}
func runTests(t *testing.T, name string, fm Form, tests []TestCase) {
rb := reorderBuffer{}
rb.init(fm, nil)
for i, test := range tests {
rb.setFlusher(nil, appendFlush)
for j, rune := range test.in {
b := []byte(string(rune))
src := inputBytes(b)
info := rb.f.info(src, 0)
if j == 0 {
rb.ss.first(info)
} else {
rb.ss.next(info)
}
if rb.insertFlush(src, 0, info) < 0 {
t.Errorf("%s:%d: insert failed for rune %d", name, i, j)
}
}
rb.doFlush()
was := string(rb.out)
want := string(test.out)
if len(was) != len(want) {
t.Errorf("%s:%d: length = %d; want %d", name, i, len(was), len(want))
}
if was != want {
k, pfx := pidx(was, want)
t.Errorf("%s:%d: \nwas %s%+q; \nwant %s%+q", name, i, pfx, was[k:], pfx, want[k:])
}
}
}
func TestFlush(t *testing.T) {
const (
hello = "Hello "
world = "world!"
)
buf := make([]byte, maxByteBufferSize)
p := copy(buf, hello)
out := buf[p:]
rb := reorderBuffer{}
rb.initString(NFC, world)
if i := rb.flushCopy(out); i != 0 {
t.Errorf("wrote bytes on flush of empty buffer. (len(out) = %d)", i)
}
for i := range world {
// No need to set streamSafe values for this test.
rb.insertFlush(rb.src, i, rb.f.info(rb.src, i))
n := rb.flushCopy(out)
out = out[n:]
p += n
}
was := buf[:p]
want := hello + world
if string(was) != want {
t.Errorf(`output after flush was "%s"; want "%s"`, string(was), want)
}
if rb.nrune != 0 {
t.Errorf("non-null size of info buffer (rb.nrune == %d)", rb.nrune)
}
if rb.nbyte != 0 {
t.Errorf("non-null size of byte buffer (rb.nbyte == %d)", rb.nbyte)
}
}
var insertTests = []TestCase{
{[]rune{'a'}, []rune{'a'}},
{[]rune{0x300}, []rune{0x300}},
{[]rune{0x300, 0x316}, []rune{0x316, 0x300}}, // CCC(0x300)==230; CCC(0x316)==220
{[]rune{0x316, 0x300}, []rune{0x316, 0x300}},
{[]rune{0x41, 0x316, 0x300}, []rune{0x41, 0x316, 0x300}},
{[]rune{0x41, 0x300, 0x316}, []rune{0x41, 0x316, 0x300}},
{[]rune{0x300, 0x316, 0x41}, []rune{0x316, 0x300, 0x41}},
{[]rune{0x41, 0x300, 0x40, 0x316}, []rune{0x41, 0x300, 0x40, 0x316}},
}
func TestInsert(t *testing.T) {
runTests(t, "TestInsert", NFD, insertTests)
}
var decompositionNFDTest = []TestCase{
{[]rune{0xC0}, []rune{0x41, 0x300}},
{[]rune{0xAC00}, []rune{0x1100, 0x1161}},
{[]rune{0x01C4}, []rune{0x01C4}},
{[]rune{0x320E}, []rune{0x320E}},
{[]rune("음ẻ과"), []rune{0x110B, 0x1173, 0x11B7, 0x65, 0x309, 0x1100, 0x116A}},
}
var decompositionNFKDTest = []TestCase{
{[]rune{0xC0}, []rune{0x41, 0x300}},
{[]rune{0xAC00}, []rune{0x1100, 0x1161}},
{[]rune{0x01C4}, []rune{0x44, 0x5A, 0x030C}},
{[]rune{0x320E}, []rune{0x28, 0x1100, 0x1161, 0x29}},
}
func TestDecomposition(t *testing.T) {
runTests(t, "TestDecompositionNFD", NFD, decompositionNFDTest)
runTests(t, "TestDecompositionNFKD", NFKD, decompositionNFKDTest)
}
var compositionTest = []TestCase{
{[]rune{0x41, 0x300}, []rune{0xC0}},
{[]rune{0x41, 0x316}, []rune{0x41, 0x316}},
{[]rune{0x41, 0x300, 0x35D}, []rune{0xC0, 0x35D}},
{[]rune{0x41, 0x316, 0x300}, []rune{0xC0, 0x316}},
// blocking starter
{[]rune{0x41, 0x316, 0x40, 0x300}, []rune{0x41, 0x316, 0x40, 0x300}},
{[]rune{0x1100, 0x1161}, []rune{0xAC00}},
// parenthesized Hangul, alternate between ASCII and Hangul.
{[]rune{0x28, 0x1100, 0x1161, 0x29}, []rune{0x28, 0xAC00, 0x29}},
}
func TestComposition(t *testing.T) {
runTests(t, "TestComposition", NFC, compositionTest)
}

82
vendor/golang.org/x/text/unicode/norm/example_iter_test.go generated vendored
View file

@ -1,82 +0,0 @@
// Copyright 2012 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 norm_test
import (
"bytes"
"fmt"
"unicode/utf8"
"golang.org/x/text/unicode/norm"
)
// EqualSimple uses a norm.Iter to compare two non-normalized
// strings for equivalence.
func EqualSimple(a, b string) bool {
var ia, ib norm.Iter
ia.InitString(norm.NFKD, a)
ib.InitString(norm.NFKD, b)
for !ia.Done() && !ib.Done() {
if !bytes.Equal(ia.Next(), ib.Next()) {
return false
}
}
return ia.Done() && ib.Done()
}
// FindPrefix finds the longest common prefix of ASCII characters
// of a and b.
func FindPrefix(a, b string) int {
i := 0
for ; i < len(a) && i < len(b) && a[i] < utf8.RuneSelf && a[i] == b[i]; i++ {
}
return i
}
// EqualOpt is like EqualSimple, but optimizes the special
// case for ASCII characters.
func EqualOpt(a, b string) bool {
n := FindPrefix(a, b)
a, b = a[n:], b[n:]
var ia, ib norm.Iter
ia.InitString(norm.NFKD, a)
ib.InitString(norm.NFKD, b)
for !ia.Done() && !ib.Done() {
if !bytes.Equal(ia.Next(), ib.Next()) {
return false
}
if n := int64(FindPrefix(a[ia.Pos():], b[ib.Pos():])); n != 0 {
ia.Seek(n, 1)
ib.Seek(n, 1)
}
}
return ia.Done() && ib.Done()
}
var compareTests = []struct{ a, b string }{
{"aaa", "aaa"},
{"aaa", "aab"},
{"a\u0300a", "\u00E0a"},
{"a\u0300\u0320b", "a\u0320\u0300b"},
{"\u1E0A\u0323", "\x44\u0323\u0307"},
// A character that decomposes into multiple segments
// spans several iterations.
{"\u3304", "\u30A4\u30CB\u30F3\u30AF\u3099"},
}
func ExampleIter() {
for i, t := range compareTests {
r0 := EqualSimple(t.a, t.b)
r1 := EqualOpt(t.a, t.b)
fmt.Printf("%d: %v %v\n", i, r0, r1)
}
// Output:
// 0: true true
// 1: false false
// 2: true true
// 3: true true
// 4: true true
// 5: true true
}

49
vendor/golang.org/x/text/unicode/norm/forminfo.go generated vendored
View file

@ -10,7 +10,7 @@ package norm
// and its corresponding decomposing form share the same trie. Each trie maps
// a rune to a uint16. The values take two forms. For v >= 0x8000:
// bits
// 15: 1 (inverse of NFD_QD bit of qcInfo)
// 15: 1 (inverse of NFD_QC bit of qcInfo)
// 13..7: qcInfo (see below). isYesD is always true (no decompostion).
// 6..0: ccc (compressed CCC value).
// For v < 0x8000, the respective rune has a decomposition and v is an index
@ -56,28 +56,31 @@ type formInfo struct {
nextMain iterFunc
}
var formTable []*formInfo
func init() {
formTable = make([]*formInfo, 4)
for i := range formTable {
f := &formInfo{}
formTable[i] = f
f.form = Form(i)
if Form(i) == NFKD || Form(i) == NFKC {
f.compatibility = true
f.info = lookupInfoNFKC
} else {
f.info = lookupInfoNFC
}
f.nextMain = nextDecomposed
if Form(i) == NFC || Form(i) == NFKC {
f.nextMain = nextComposed
f.composing = true
}
}
}
var formTable = []*formInfo{{
form: NFC,
composing: true,
compatibility: false,
info: lookupInfoNFC,
nextMain: nextComposed,
}, {
form: NFD,
composing: false,
compatibility: false,
info: lookupInfoNFC,
nextMain: nextDecomposed,
}, {
form: NFKC,
composing: true,
compatibility: true,
info: lookupInfoNFKC,
nextMain: nextComposed,
}, {
form: NFKD,
composing: false,
compatibility: true,
info: lookupInfoNFKC,
nextMain: nextDecomposed,
}}
// We do not distinguish between boundaries for NFC, NFD, etc. to avoid
// unexpected behavior for the user. For example, in NFD, there is a boundary

54
vendor/golang.org/x/text/unicode/norm/forminfo_test.go generated vendored
View file

@ -1,54 +0,0 @@
// Copyright 2013 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.
// +build test
package norm
import "testing"
func TestProperties(t *testing.T) {
var d runeData
CK := [2]string{"C", "K"}
for k, r := 1, rune(0); r < 0x2ffff; r++ {
if k < len(testData) && r == testData[k].r {
d = testData[k]
k++
}
s := string(r)
for j, p := range []Properties{NFC.PropertiesString(s), NFKC.PropertiesString(s)} {
f := d.f[j]
if p.CCC() != d.ccc {
t.Errorf("%U: ccc(%s): was %d; want %d %X", r, CK[j], p.CCC(), d.ccc, p.index)
}
if p.isYesC() != (f.qc == Yes) {
t.Errorf("%U: YesC(%s): was %v; want %v", r, CK[j], p.isYesC(), f.qc == Yes)
}
if p.combinesBackward() != (f.qc == Maybe) {
t.Errorf("%U: combines backwards(%s): was %v; want %v", r, CK[j], p.combinesBackward(), f.qc == Maybe)
}
if p.nLeadingNonStarters() != d.nLead {
t.Errorf("%U: nLead(%s): was %d; want %d %#v %#v", r, CK[j], p.nLeadingNonStarters(), d.nLead, p, d)
}
if p.nTrailingNonStarters() != d.nTrail {
t.Errorf("%U: nTrail(%s): was %d; want %d %#v %#v", r, CK[j], p.nTrailingNonStarters(), d.nTrail, p, d)
}
if p.combinesForward() != f.combinesForward {
t.Errorf("%U: combines forward(%s): was %v; want %v %#v", r, CK[j], p.combinesForward(), f.combinesForward, p)
}
// Skip Hangul as it is algorithmically computed.
if r >= hangulBase && r < hangulEnd {
continue
}
if p.hasDecomposition() {
if has := f.decomposition != ""; !has {
t.Errorf("%U: hasDecomposition(%s): was %v; want %v", r, CK[j], p.hasDecomposition(), has)
}
if string(p.Decomposition()) != f.decomposition {
t.Errorf("%U: decomp(%s): was %+q; want %+q", r, CK[j], p.Decomposition(), f.decomposition)
}
}
}
}
}

98
vendor/golang.org/x/text/unicode/norm/iter_test.go generated vendored
View file

@ -1,98 +0,0 @@
// Copyright 2011 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 norm
import (
"strings"
"testing"
)
func doIterNorm(f Form, s string) []byte {
acc := []byte{}
i := Iter{}
i.InitString(f, s)
for !i.Done() {
acc = append(acc, i.Next()...)
}
return acc
}
func TestIterNext(t *testing.T) {
runNormTests(t, "IterNext", func(f Form, out []byte, s string) []byte {
return doIterNorm(f, string(append(out, s...)))
})
}
type SegmentTest struct {
in string
out []string
}
var segmentTests = []SegmentTest{
{"\u1E0A\u0323a", []string{"\x44\u0323\u0307", "a", ""}},
{rep('a', segSize), append(strings.Split(rep('a', segSize), ""), "")},
{rep('a', segSize+2), append(strings.Split(rep('a', segSize+2), ""), "")},
{rep('a', segSize) + "\u0300aa",
append(strings.Split(rep('a', segSize-1), ""), "a\u0300", "a", "a", "")},
// U+0f73 is NOT treated as a starter as it is a modifier
{"a" + grave(29) + "\u0f73", []string{"a" + grave(29), cgj + "\u0f73"}},
{"a\u0f73", []string{"a\u0f73"}},
// U+ff9e is treated as a non-starter.
// TODO: should we? Note that this will only affect iteration, as whether
// or not we do so does not affect the normalization output and will either
// way result in consistent iteration output.
{"a" + grave(30) + "\uff9e", []string{"a" + grave(30), cgj + "\uff9e"}},
{"a\uff9e", []string{"a\uff9e"}},
}
var segmentTestsK = []SegmentTest{
{"\u3332", []string{"\u30D5", "\u30A1", "\u30E9", "\u30C3", "\u30C8\u3099", ""}},
// last segment of multi-segment decomposition needs normalization
{"\u3332\u093C", []string{"\u30D5", "\u30A1", "\u30E9", "\u30C3", "\u30C8\u093C\u3099", ""}},
{"\u320E", []string{"\x28", "\uAC00", "\x29"}},
// last segment should be copied to start of buffer.
{"\ufdfa", []string{"\u0635", "\u0644", "\u0649", " ", "\u0627", "\u0644", "\u0644", "\u0647", " ", "\u0639", "\u0644", "\u064a", "\u0647", " ", "\u0648", "\u0633", "\u0644", "\u0645", ""}},
{"\ufdfa" + grave(30), []string{"\u0635", "\u0644", "\u0649", " ", "\u0627", "\u0644", "\u0644", "\u0647", " ", "\u0639", "\u0644", "\u064a", "\u0647", " ", "\u0648", "\u0633", "\u0644", "\u0645" + grave(30), ""}},
{"\uFDFA" + grave(64), []string{"\u0635", "\u0644", "\u0649", " ", "\u0627", "\u0644", "\u0644", "\u0647", " ", "\u0639", "\u0644", "\u064a", "\u0647", " ", "\u0648", "\u0633", "\u0644", "\u0645" + grave(30), cgj + grave(30), cgj + grave(4), ""}},
// Hangul and Jamo are grouped togeter.
{"\uAC00", []string{"\u1100\u1161", ""}},
{"\uAC01", []string{"\u1100\u1161\u11A8", ""}},
{"\u1100\u1161", []string{"\u1100\u1161", ""}},
}
// Note that, by design, segmentation is equal for composing and decomposing forms.
func TestIterSegmentation(t *testing.T) {
segmentTest(t, "SegmentTestD", NFD, segmentTests)
segmentTest(t, "SegmentTestC", NFC, segmentTests)
segmentTest(t, "SegmentTestKD", NFKD, segmentTestsK)
segmentTest(t, "SegmentTestKC", NFKC, segmentTestsK)
}
func segmentTest(t *testing.T, name string, f Form, tests []SegmentTest) {
iter := Iter{}
for i, tt := range tests {
iter.InitString(f, tt.in)
for j, seg := range tt.out {
if seg == "" {
if !iter.Done() {
res := string(iter.Next())
t.Errorf(`%s:%d:%d: expected Done()==true, found segment %+q`, name, i, j, res)
}
continue
}
if iter.Done() {
t.Errorf("%s:%d:%d: Done()==true, want false", name, i, j)
}
seg = f.String(seg)
if res := string(iter.Next()); res != seg {
t.Errorf(`%s:%d:%d" segment was %+q (%d); want %+q (%d)`, name, i, j, pc(res), len(res), pc(seg), len(seg))
}
}
}
}

12
vendor/golang.org/x/text/unicode/norm/maketables.go generated vendored
View file

@ -35,12 +35,9 @@ func main() {
computeNonStarterCounts()
verifyComputed()
printChars()
if *test {
testDerived()
printTestdata()
} else {
makeTables()
}
testDerived()
printTestdata()
makeTables()
}
var (
@ -602,6 +599,7 @@ func printCharInfoTables(w io.Writer) int {
}
index := normalDecomp
nTrail := chars[r].nTrailingNonStarters
nLead := chars[r].nLeadingNonStarters
if tccc > 0 || lccc > 0 || nTrail > 0 {
tccc <<= 2
tccc |= nTrail
@ -612,7 +610,7 @@ func printCharInfoTables(w io.Writer) int {
index = firstCCC
}
}
if lccc > 0 {
if lccc > 0 || nLead > 0 {
s += string([]byte{lccc})
if index == firstCCC {
log.Fatalf("%U: multi-segment decomposition not supported for decompositions with leading CCC != 0", r)

14
vendor/golang.org/x/text/unicode/norm/norm_test.go generated vendored
View file

@ -1,14 +0,0 @@
// Copyright 2011 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 norm_test
import (
"testing"
)
func TestPlaceHolder(t *testing.T) {
// Does nothing, just allows the Makefile to be canonical
// while waiting for the package itself to be written.
}

90
vendor/golang.org/x/text/unicode/norm/normalize.go generated vendored
View file

@ -2,13 +2,18 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Note: the file data_test.go that is generated should not be checked in.
//go:generate go run maketables.go triegen.go
//go:generate go run maketables.go triegen.go -test
//go:generate go test -tags test
// Package norm contains types and functions for normalizing Unicode strings.
package norm // import "golang.org/x/text/unicode/norm"
import "unicode/utf8"
import (
"unicode/utf8"
"golang.org/x/text/transform"
)
// A Form denotes a canonical representation of Unicode code points.
// The Unicode-defined normalization and equivalence forms are:
@ -263,6 +268,34 @@ func (f Form) QuickSpan(b []byte) int {
return n
}
// Span implements transform.SpanningTransformer. It returns a boundary n such
// that b[0:n] == f(b[0:n]). It is not guaranteed to return the largest such n.
func (f Form) Span(b []byte, atEOF bool) (n int, err error) {
n, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), atEOF)
if n < len(b) {
if !ok {
err = transform.ErrEndOfSpan
} else {
err = transform.ErrShortSrc
}
}
return n, err
}
// SpanString returns a boundary n such that s[0:n] == f(s[0:n]).
// It is not guaranteed to return the largest such n.
func (f Form) SpanString(s string, atEOF bool) (n int, err error) {
n, ok := formTable[f].quickSpan(inputString(s), 0, len(s), atEOF)
if n < len(s) {
if !ok {
err = transform.ErrEndOfSpan
} else {
err = transform.ErrShortSrc
}
}
return n, err
}
// quickSpan returns a boundary n such that src[0:n] == f(src[0:n]) and
// whether any non-normalized parts were found. If atEOF is false, n will
// not point past the last segment if this segment might be become
@ -321,7 +354,7 @@ func (f *formInfo) quickSpan(src input, i, end int, atEOF bool) (n int, ok bool)
return lastSegStart, false
}
// QuickSpanString returns a boundary n such that b[0:n] == f(s[0:n]).
// QuickSpanString returns a boundary n such that s[0:n] == f(s[0:n]).
// It is not guaranteed to return the largest such n.
func (f Form) QuickSpanString(s string) int {
n, _ := formTable[f].quickSpan(inputString(s), 0, len(s), true)
@ -344,7 +377,6 @@ func (f Form) firstBoundary(src input, nsrc int) int {
// We should call ss.first here, but we can't as the first rune is
// skipped already. This means FirstBoundary can't really determine
// CGJ insertion points correctly. Luckily it doesn't have to.
// TODO: consider adding NextBoundary
for {
info := fd.info(src, i)
if info.size == 0 {
@ -369,6 +401,56 @@ func (f Form) FirstBoundaryInString(s string) int {
return f.firstBoundary(inputString(s), len(s))
}
// NextBoundary reports the index of the boundary between the first and next
// segment in b or -1 if atEOF is false and there are not enough bytes to
// determine this boundary.
func (f Form) NextBoundary(b []byte, atEOF bool) int {
return f.nextBoundary(inputBytes(b), len(b), atEOF)
}
// NextBoundaryInString reports the index of the boundary between the first and
// next segment in b or -1 if atEOF is false and there are not enough bytes to
// determine this boundary.
func (f Form) NextBoundaryInString(s string, atEOF bool) int {
return f.nextBoundary(inputString(s), len(s), atEOF)
}
func (f Form) nextBoundary(src input, nsrc int, atEOF bool) int {
if nsrc == 0 {
if atEOF {
return 0
}
return -1
}
fd := formTable[f]
info := fd.info(src, 0)
if info.size == 0 {
if atEOF {
return 1
}
return -1
}
ss := streamSafe(0)
ss.first(info)
for i := int(info.size); i < nsrc; i += int(info.size) {
info = fd.info(src, i)
if info.size == 0 {
if atEOF {
return i
}
return -1
}
if s := ss.next(info); s != ssSuccess {
return i
}
}
if !atEOF && !info.BoundaryAfter() && !ss.isMax() {
return -1
}
return nsrc
}
// LastBoundary returns the position i of the last boundary in b
// or -1 if b contains no boundary.
func (f Form) LastBoundary(b []byte) int {

1143
vendor/golang.org/x/text/unicode/norm/normalize_test.go generated vendored
View file

File diff suppressed because it is too large Load diff

1
vendor/golang.org/x/text/unicode/norm/readwriter.go generated vendored
View file

@ -112,7 +112,6 @@ func (r *normReader) Read(p []byte) (int, error) {
}
}
}
panic("should not reach here")
}
// Reader returns a new reader that implements Read

56
vendor/golang.org/x/text/unicode/norm/readwriter_test.go generated vendored
View file

@ -1,56 +0,0 @@
// Copyright 2011 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 norm
import (
"bytes"
"fmt"
"testing"
)
var bufSizes = []int{1, 2, 3, 4, 5, 6, 7, 8, 100, 101, 102, 103, 4000, 4001, 4002, 4003}
func readFunc(size int) appendFunc {
return func(f Form, out []byte, s string) []byte {
out = append(out, s...)
r := f.Reader(bytes.NewBuffer(out))
buf := make([]byte, size)
result := []byte{}
for n, err := 0, error(nil); err == nil; {
n, err = r.Read(buf)
result = append(result, buf[:n]...)
}
return result
}
}
func TestReader(t *testing.T) {
for _, s := range bufSizes {
name := fmt.Sprintf("TestReader%d", s)
runNormTests(t, name, readFunc(s))
}
}
func writeFunc(size int) appendFunc {
return func(f Form, out []byte, s string) []byte {
in := append(out, s...)
result := new(bytes.Buffer)
w := f.Writer(result)
buf := make([]byte, size)
for n := 0; len(in) > 0; in = in[n:] {
n = copy(buf, in)
_, _ = w.Write(buf[:n])
}
w.Close()
return result.Bytes()
}
}
func TestWriter(t *testing.T) {
for _, s := range bufSizes {
name := fmt.Sprintf("TestWriter%d", s)
runNormTests(t, name, writeFunc(s))
}
}

6502
vendor/golang.org/x/text/unicode/norm/tables.go generated vendored
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101
vendor/golang.org/x/text/unicode/norm/transform_test.go generated vendored
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@ -1,101 +0,0 @@
// Copyright 2011 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 norm
import (
"fmt"
"testing"
"golang.org/x/text/transform"
)
func TestTransform(t *testing.T) {
tests := []struct {
f Form
in, out string
eof bool
dstSize int
err error
}{
{NFC, "ab", "ab", true, 2, nil},
{NFC, "qx", "qx", true, 2, nil},
{NFD, "qx", "qx", true, 2, nil},
{NFC, "", "", true, 1, nil},
{NFD, "", "", true, 1, nil},
{NFC, "", "", false, 1, nil},
{NFD, "", "", false, 1, nil},
// Normalized segment does not fit in destination.
{NFD, "ö", "", true, 1, transform.ErrShortDst},
{NFD, "ö", "", true, 2, transform.ErrShortDst},
// As an artifact of the algorithm, only full segments are written.
// This is not strictly required, and some bytes could be written.
// In practice, for Transform to not block, the destination buffer
// should be at least MaxSegmentSize to work anyway and these edge
// conditions will be relatively rare.
{NFC, "ab", "", true, 1, transform.ErrShortDst},
// This is even true for inert runes.
{NFC, "qx", "", true, 1, transform.ErrShortDst},
{NFC, "a\u0300abc", "\u00e0a", true, 4, transform.ErrShortDst},
// We cannot write a segment if succesive runes could still change the result.
{NFD, "ö", "", false, 3, transform.ErrShortSrc},
{NFC, "a\u0300", "", false, 4, transform.ErrShortSrc},
{NFD, "a\u0300", "", false, 4, transform.ErrShortSrc},
{NFC, "ö", "", false, 3, transform.ErrShortSrc},
{NFC, "a\u0300", "", true, 1, transform.ErrShortDst},
// Theoretically could fit, but won't due to simplified checks.
{NFC, "a\u0300", "", true, 2, transform.ErrShortDst},
{NFC, "a\u0300", "", true, 3, transform.ErrShortDst},
{NFC, "a\u0300", "\u00e0", true, 4, nil},
{NFD, "öa\u0300", "o\u0308", false, 8, transform.ErrShortSrc},
{NFD, "öa\u0300ö", "o\u0308a\u0300", true, 8, transform.ErrShortDst},
{NFD, "öa\u0300ö", "o\u0308a\u0300", false, 12, transform.ErrShortSrc},
// Illegal input is copied verbatim.
{NFD, "\xbd\xb2=\xbc ", "\xbd\xb2=\xbc ", true, 8, nil},
}
b := make([]byte, 100)
for i, tt := range tests {
nDst, _, err := tt.f.Transform(b[:tt.dstSize], []byte(tt.in), tt.eof)
out := string(b[:nDst])
if out != tt.out || err != tt.err {
t.Errorf("%d: was %+q (%v); want %+q (%v)", i, out, err, tt.out, tt.err)
}
if want := tt.f.String(tt.in)[:nDst]; want != out {
t.Errorf("%d: incorect normalization: was %+q; want %+q", i, out, want)
}
}
}
var transBufSizes = []int{
MaxTransformChunkSize,
3 * MaxTransformChunkSize / 2,
2 * MaxTransformChunkSize,
3 * MaxTransformChunkSize,
100 * MaxTransformChunkSize,
}
func doTransNorm(f Form, buf []byte, b []byte) []byte {
acc := []byte{}
for p := 0; p < len(b); {
nd, ns, _ := f.Transform(buf[:], b[p:], true)
p += ns
acc = append(acc, buf[:nd]...)
}
return acc
}
func TestTransformNorm(t *testing.T) {
for _, sz := range transBufSizes {
buf := make([]byte, sz)
runNormTests(t, fmt.Sprintf("Transform:%d", sz), func(f Form, out []byte, s string) []byte {
return doTransNorm(f, buf, append(out, s...))
})
}
}

275
vendor/golang.org/x/text/unicode/norm/ucd_test.go generated vendored
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@ -1,275 +0,0 @@
// Copyright 2011 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 norm
import (
"bufio"
"bytes"
"fmt"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
"testing"
"time"
"unicode/utf8"
"golang.org/x/text/internal/gen"
"golang.org/x/text/internal/testtext"
)
var once sync.Once
func skipShort(t *testing.T) {
testtext.SkipIfNotLong(t)
once.Do(func() { loadTestData(t) })
}
// This regression test runs the test set in NormalizationTest.txt
// (taken from http://www.unicode.org/Public/<unicode.Version>/ucd/).
//
// NormalizationTest.txt has form:
// @Part0 # Specific cases
// #
// 1E0A;1E0A;0044 0307;1E0A;0044 0307; # (Ḋ; Ḋ; D◌̇; Ḋ; D◌̇; ) LATIN CAPITAL LETTER D WITH DOT ABOVE
// 1E0C;1E0C;0044 0323;1E0C;0044 0323; # (Ḍ; Ḍ; D◌̣; Ḍ; D◌̣; ) LATIN CAPITAL LETTER D WITH DOT BELOW
//
// Each test has 5 columns (c1, c2, c3, c4, c5), where
// (c1, c2, c3, c4, c5) == (c1, NFC(c1), NFD(c1), NFKC(c1), NFKD(c1))
//
// CONFORMANCE:
// 1. The following invariants must be true for all conformant implementations
//
// NFC
// c2 == NFC(c1) == NFC(c2) == NFC(c3)
// c4 == NFC(c4) == NFC(c5)
//
// NFD
// c3 == NFD(c1) == NFD(c2) == NFD(c3)
// c5 == NFD(c4) == NFD(c5)
//
// NFKC
// c4 == NFKC(c1) == NFKC(c2) == NFKC(c3) == NFKC(c4) == NFKC(c5)
//
// NFKD
// c5 == NFKD(c1) == NFKD(c2) == NFKD(c3) == NFKD(c4) == NFKD(c5)
//
// 2. For every code point X assigned in this version of Unicode that is not
// specifically listed in Part 1, the following invariants must be true
// for all conformant implementations:
//
// X == NFC(X) == NFD(X) == NFKC(X) == NFKD(X)
//
// Column types.
const (
cRaw = iota
cNFC
cNFD
cNFKC
cNFKD
cMaxColumns
)
// Holds data from NormalizationTest.txt
var part []Part
type Part struct {
name string
number int
tests []Test
}
type Test struct {
name string
partnr int
number int
r rune // used for character by character test
cols [cMaxColumns]string // Each has 5 entries, see below.
}
func (t Test) Name() string {
if t.number < 0 {
return part[t.partnr].name
}
return fmt.Sprintf("%s:%d", part[t.partnr].name, t.number)
}
var partRe = regexp.MustCompile(`@Part(\d) # (.*)$`)
var testRe = regexp.MustCompile(`^` + strings.Repeat(`([\dA-F ]+);`, 5) + ` # (.*)$`)
var counter int
// Load the data form NormalizationTest.txt
func loadTestData(t *testing.T) {
f := gen.OpenUCDFile("NormalizationTest.txt")
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
if len(line) == 0 || line[0] == '#' {
continue
}
m := partRe.FindStringSubmatch(line)
if m != nil {
if len(m) < 3 {
t.Fatal("Failed to parse Part: ", line)
}
i, err := strconv.Atoi(m[1])
if err != nil {
t.Fatal(err)
}
name := m[2]
part = append(part, Part{name: name[:len(name)-1], number: i})
continue
}
m = testRe.FindStringSubmatch(line)
if m == nil || len(m) < 7 {
t.Fatalf(`Failed to parse: "%s" result: %#v`, line, m)
}
test := Test{name: m[6], partnr: len(part) - 1, number: counter}
counter++
for j := 1; j < len(m)-1; j++ {
for _, split := range strings.Split(m[j], " ") {
r, err := strconv.ParseUint(split, 16, 64)
if err != nil {
t.Fatal(err)
}
if test.r == 0 {
// save for CharacterByCharacterTests
test.r = rune(r)
}
var buf [utf8.UTFMax]byte
sz := utf8.EncodeRune(buf[:], rune(r))
test.cols[j-1] += string(buf[:sz])
}
}
part := &part[len(part)-1]
part.tests = append(part.tests, test)
}
if scanner.Err() != nil {
t.Fatal(scanner.Err())
}
}
func cmpResult(t *testing.T, tc *Test, name string, f Form, gold, test, result string) {
if gold != result {
t.Errorf("%s:%s: %s(%+q)=%+q; want %+q: %s",
tc.Name(), name, fstr[f], test, result, gold, tc.name)
}
}
func cmpIsNormal(t *testing.T, tc *Test, name string, f Form, test string, result, want bool) {
if result != want {
t.Errorf("%s:%s: %s(%+q)=%v; want %v", tc.Name(), name, fstr[f], test, result, want)
}
}
func doTest(t *testing.T, tc *Test, f Form, gold, test string) {
testb := []byte(test)
result := f.Bytes(testb)
cmpResult(t, tc, "Bytes", f, gold, test, string(result))
sresult := f.String(test)
cmpResult(t, tc, "String", f, gold, test, sresult)
acc := []byte{}
i := Iter{}
i.InitString(f, test)
for !i.Done() {
acc = append(acc, i.Next()...)
}
cmpResult(t, tc, "Iter.Next", f, gold, test, string(acc))
buf := make([]byte, 128)
acc = nil
for p := 0; p < len(testb); {
nDst, nSrc, _ := f.Transform(buf, testb[p:], true)
acc = append(acc, buf[:nDst]...)
p += nSrc
}
cmpResult(t, tc, "Transform", f, gold, test, string(acc))
for i := range test {
out := f.Append(f.Bytes([]byte(test[:i])), []byte(test[i:])...)
cmpResult(t, tc, fmt.Sprintf(":Append:%d", i), f, gold, test, string(out))
}
cmpIsNormal(t, tc, "IsNormal", f, test, f.IsNormal([]byte(test)), test == gold)
cmpIsNormal(t, tc, "IsNormalString", f, test, f.IsNormalString(test), test == gold)
}
func doConformanceTests(t *testing.T, tc *Test, partn int) {
for i := 0; i <= 2; i++ {
doTest(t, tc, NFC, tc.cols[1], tc.cols[i])
doTest(t, tc, NFD, tc.cols[2], tc.cols[i])
doTest(t, tc, NFKC, tc.cols[3], tc.cols[i])
doTest(t, tc, NFKD, tc.cols[4], tc.cols[i])
}
for i := 3; i <= 4; i++ {
doTest(t, tc, NFC, tc.cols[3], tc.cols[i])
doTest(t, tc, NFD, tc.cols[4], tc.cols[i])
doTest(t, tc, NFKC, tc.cols[3], tc.cols[i])
doTest(t, tc, NFKD, tc.cols[4], tc.cols[i])
}
}
func TestCharacterByCharacter(t *testing.T) {
skipShort(t)
tests := part[1].tests
var last rune = 0
for i := 0; i <= len(tests); i++ { // last one is special case
var r rune
if i == len(tests) {
r = 0x2FA1E // Don't have to go to 0x10FFFF
} else {
r = tests[i].r
}
for last++; last < r; last++ {
// Check all characters that were not explicitly listed in the test.
tc := &Test{partnr: 1, number: -1}
char := string(last)
doTest(t, tc, NFC, char, char)
doTest(t, tc, NFD, char, char)
doTest(t, tc, NFKC, char, char)
doTest(t, tc, NFKD, char, char)
}
if i < len(tests) {
doConformanceTests(t, &tests[i], 1)
}
}
}
func TestStandardTests(t *testing.T) {
skipShort(t)
for _, j := range []int{0, 2, 3} {
for _, test := range part[j].tests {
doConformanceTests(t, &test, j)
}
}
}
// TestPerformance verifies that normalization is O(n). If any of the
// code does not properly check for maxCombiningChars, normalization
// may exhibit O(n**2) behavior.
func TestPerformance(t *testing.T) {
skipShort(t)
runtime.GOMAXPROCS(2)
success := make(chan bool, 1)
go func() {
buf := bytes.Repeat([]byte("\u035D"), 1024*1024)
buf = append(buf, "\u035B"...)
NFC.Append(nil, buf...)
success <- true
}()
timeout := time.After(1 * time.Second)
select {
case <-success:
// test completed before the timeout
case <-timeout:
t.Errorf(`unexpectedly long time to complete PerformanceTest`)
}
}