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Diffstat (limited to 'vendor/golang.org/x/text/secure/bidirule/bidirule_test.go')
-rw-r--r--vendor/golang.org/x/text/secure/bidirule/bidirule_test.go168
1 files changed, 168 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/secure/bidirule/bidirule_test.go b/vendor/golang.org/x/text/secure/bidirule/bidirule_test.go
new file mode 100644
index 0000000..e8fde33
--- /dev/null
+++ b/vendor/golang.org/x/text/secure/bidirule/bidirule_test.go
@@ -0,0 +1,168 @@
+// 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 bidirule
+
+import (
+ "fmt"
+ "testing"
+
+ "golang.org/x/text/internal/testtext"
+ "golang.org/x/text/unicode/bidi"
+)
+
+const (
+ strL = "ABC" // Left to right - most letters in LTR scripts
+ strR = "עברית" // Right to left - most letters in non-Arabic RTL scripts
+ strAL = "دبي" // Arabic letters - most letters in the Arabic script
+ strEN = "123" // European Number (0-9, and Extended Arabic-Indic numbers)
+ strES = "+-" // European Number Separator (+ and -)
+ strET = "$" // European Number Terminator (currency symbols, the hash sign, the percent sign and so on)
+ strAN = "\u0660" // Arabic Number; this encompasses the Arabic-Indic numbers, but not the Extended Arabic-Indic numbers
+ strCS = "," // Common Number Separator (. , / : et al)
+ strNSM = "\u0300" // Nonspacing Mark - most combining accents
+ strBN = "\u200d" // Boundary Neutral - control characters (ZWNJ, ZWJ, and others)
+ strB = "\u2029" // Paragraph Separator
+ strS = "\u0009" // Segment Separator
+ strWS = " " // Whitespace, including the SPACE character
+ strON = "@" // Other Neutrals, including @, &, parentheses, MIDDLE DOT
+)
+
+type ruleTest struct {
+ in string
+ dir bidi.Direction
+ n int // position at which the rule fails
+ err error
+
+ // For tests that split the string in two.
+ pSrc int // number of source bytes to consume first
+ szDst int // size of destination buffer
+ nSrc int // source bytes consumed and bytes written
+ err0 error // error after first run
+}
+
+func init() {
+ for rule, cases := range testCases {
+ for i, tc := range cases {
+ if tc.err == nil {
+ testCases[rule][i].n = len(tc.in)
+ }
+ }
+ }
+}
+
+func doTests(t *testing.T, fn func(t *testing.T, tc ruleTest)) {
+ for rule, cases := range testCases {
+ for i, tc := range cases {
+ name := fmt.Sprintf("%d/%d:%+q:%s", rule, i, tc.in, tc.in)
+ testtext.Run(t, name, func(t *testing.T) {
+ fn(t, tc)
+ })
+ }
+ }
+}
+
+func TestDirection(t *testing.T) {
+ doTests(t, func(t *testing.T, tc ruleTest) {
+ dir := Direction([]byte(tc.in))
+ if dir != tc.dir {
+ t.Errorf("dir was %v; want %v", dir, tc.dir)
+ }
+ })
+}
+
+func TestDirectionString(t *testing.T) {
+ doTests(t, func(t *testing.T, tc ruleTest) {
+ dir := DirectionString(tc.in)
+ if dir != tc.dir {
+ t.Errorf("dir was %v; want %v", dir, tc.dir)
+ }
+ })
+}
+
+func TestValid(t *testing.T) {
+ doTests(t, func(t *testing.T, tc ruleTest) {
+ got := Valid([]byte(tc.in))
+ want := tc.err == nil
+ if got != want {
+ t.Fatalf("Valid: got %v; want %v", got, want)
+ }
+
+ got = ValidString(tc.in)
+ want = tc.err == nil
+ if got != want {
+ t.Fatalf("Valid: got %v; want %v", got, want)
+ }
+ })
+}
+
+func TestSpan(t *testing.T) {
+ doTests(t, func(t *testing.T, tc ruleTest) {
+ // Skip tests that test for limited destination buffer size.
+ if tc.szDst > 0 {
+ return
+ }
+
+ r := New()
+ src := []byte(tc.in)
+
+ n, err := r.Span(src[:tc.pSrc], tc.pSrc == len(tc.in))
+ if err != tc.err0 {
+ t.Errorf("err0 was %v; want %v", err, tc.err0)
+ }
+ if n != tc.nSrc {
+ t.Fatalf("nSrc was %d; want %d", n, tc.nSrc)
+ }
+
+ n, err = r.Span(src[n:], true)
+ if err != tc.err {
+ t.Errorf("error was %v; want %v", err, tc.err)
+ }
+ if got := n + tc.nSrc; got != tc.n {
+ t.Errorf("n was %d; want %d", got, tc.n)
+ }
+ })
+}
+
+func TestTransform(t *testing.T) {
+ doTests(t, func(t *testing.T, tc ruleTest) {
+ r := New()
+
+ src := []byte(tc.in)
+ dst := make([]byte, len(tc.in))
+ if tc.szDst > 0 {
+ dst = make([]byte, tc.szDst)
+ }
+
+ // First transform operates on a zero-length string for most tests.
+ nDst, nSrc, err := r.Transform(dst, src[:tc.pSrc], tc.pSrc == len(tc.in))
+ if err != tc.err0 {
+ t.Errorf("err0 was %v; want %v", err, tc.err0)
+ }
+ if nDst != nSrc {
+ t.Fatalf("nDst (%d) and nSrc (%d) should match", nDst, nSrc)
+ }
+ if nSrc != tc.nSrc {
+ t.Fatalf("nSrc was %d; want %d", nSrc, tc.nSrc)
+ }
+
+ dst1 := make([]byte, len(tc.in))
+ copy(dst1, dst[:nDst])
+
+ nDst, nSrc, err = r.Transform(dst1[nDst:], src[nSrc:], true)
+ if err != tc.err {
+ t.Errorf("error was %v; want %v", err, tc.err)
+ }
+ if nDst != nSrc {
+ t.Fatalf("nDst (%d) and nSrc (%d) should match", nDst, nSrc)
+ }
+ n := nSrc + tc.nSrc
+ if n != tc.n {
+ t.Fatalf("n was %d; want %d", n, tc.n)
+ }
+ if got, want := string(dst1[:n]), tc.in[:tc.n]; got != want {
+ t.Errorf("got %+q; want %+q", got, want)
+ }
+ })
+}