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Diffstat (limited to 'src/pkg/exp/regexp/find_test.go')
-rw-r--r--src/pkg/exp/regexp/find_test.go472
1 files changed, 0 insertions, 472 deletions
diff --git a/src/pkg/exp/regexp/find_test.go b/src/pkg/exp/regexp/find_test.go
deleted file mode 100644
index dddc3484c..000000000
--- a/src/pkg/exp/regexp/find_test.go
+++ /dev/null
@@ -1,472 +0,0 @@
-// Copyright 2010 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 regexp
-
-import (
- "fmt"
- "strings"
- "testing"
-)
-
-// For each pattern/text pair, what is the expected output of each function?
-// We can derive the textual results from the indexed results, the non-submatch
-// results from the submatched results, the single results from the 'all' results,
-// and the byte results from the string results. Therefore the table includes
-// only the FindAllStringSubmatchIndex result.
-type FindTest struct {
- pat string
- text string
- matches [][]int
-}
-
-func (t FindTest) String() string {
- return fmt.Sprintf("pat: %#q text: %#q", t.pat, t.text)
-}
-
-var findTests = []FindTest{
- {``, ``, build(1, 0, 0)},
- {`^abcdefg`, "abcdefg", build(1, 0, 7)},
- {`a+`, "baaab", build(1, 1, 4)},
- {"abcd..", "abcdef", build(1, 0, 6)},
- {`a`, "a", build(1, 0, 1)},
- {`x`, "y", nil},
- {`b`, "abc", build(1, 1, 2)},
- {`.`, "a", build(1, 0, 1)},
- {`.*`, "abcdef", build(1, 0, 6)},
- {`^`, "abcde", build(1, 0, 0)},
- {`$`, "abcde", build(1, 5, 5)},
- {`^abcd$`, "abcd", build(1, 0, 4)},
- {`^bcd'`, "abcdef", nil},
- {`^abcd$`, "abcde", nil},
- {`a+`, "baaab", build(1, 1, 4)},
- {`a*`, "baaab", build(3, 0, 0, 1, 4, 5, 5)},
- {`[a-z]+`, "abcd", build(1, 0, 4)},
- {`[^a-z]+`, "ab1234cd", build(1, 2, 6)},
- {`[a\-\]z]+`, "az]-bcz", build(2, 0, 4, 6, 7)},
- {`[^\n]+`, "abcd\n", build(1, 0, 4)},
- {`[日本語]+`, "日本語日本語", build(1, 0, 18)},
- {`日本語+`, "日本語", build(1, 0, 9)},
- {`日本語+`, "日本語語語語", build(1, 0, 18)},
- {`()`, "", build(1, 0, 0, 0, 0)},
- {`(a)`, "a", build(1, 0, 1, 0, 1)},
- {`(.)(.)`, "日a", build(1, 0, 4, 0, 3, 3, 4)},
- {`(.*)`, "", build(1, 0, 0, 0, 0)},
- {`(.*)`, "abcd", build(1, 0, 4, 0, 4)},
- {`(..)(..)`, "abcd", build(1, 0, 4, 0, 2, 2, 4)},
- {`(([^xyz]*)(d))`, "abcd", build(1, 0, 4, 0, 4, 0, 3, 3, 4)},
- {`((a|b|c)*(d))`, "abcd", build(1, 0, 4, 0, 4, 2, 3, 3, 4)},
- {`(((a|b|c)*)(d))`, "abcd", build(1, 0, 4, 0, 4, 0, 3, 2, 3, 3, 4)},
- {`\a\f\n\r\t\v`, "\a\f\n\r\t\v", build(1, 0, 6)},
- {`[\a\f\n\r\t\v]+`, "\a\f\n\r\t\v", build(1, 0, 6)},
-
- {`a*(|(b))c*`, "aacc", build(1, 0, 4, 2, 2, -1, -1)},
- {`(.*).*`, "ab", build(1, 0, 2, 0, 2)},
- {`[.]`, ".", build(1, 0, 1)},
- {`/$`, "/abc/", build(1, 4, 5)},
- {`/$`, "/abc", nil},
-
- // multiple matches
- {`.`, "abc", build(3, 0, 1, 1, 2, 2, 3)},
- {`(.)`, "abc", build(3, 0, 1, 0, 1, 1, 2, 1, 2, 2, 3, 2, 3)},
- {`.(.)`, "abcd", build(2, 0, 2, 1, 2, 2, 4, 3, 4)},
- {`ab*`, "abbaab", build(3, 0, 3, 3, 4, 4, 6)},
- {`a(b*)`, "abbaab", build(3, 0, 3, 1, 3, 3, 4, 4, 4, 4, 6, 5, 6)},
-
- // fixed bugs
- {`ab$`, "cab", build(1, 1, 3)},
- {`axxb$`, "axxcb", nil},
- {`data`, "daXY data", build(1, 5, 9)},
- {`da(.)a$`, "daXY data", build(1, 5, 9, 7, 8)},
- {`zx+`, "zzx", build(1, 1, 3)},
-
- // can backslash-escape any punctuation
- {`\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\{\|\}\~`,
- `!"#$%&'()*+,-./:;<=>?@[\]^_{|}~`, build(1, 0, 31)},
- {`[\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\{\|\}\~]+`,
- `!"#$%&'()*+,-./:;<=>?@[\]^_{|}~`, build(1, 0, 31)},
- {"\\`", "`", build(1, 0, 1)},
- {"[\\`]+", "`", build(1, 0, 1)},
-
- // long set of matches (longer than startSize)
- {
- ".",
- "qwertyuiopasdfghjklzxcvbnm1234567890",
- build(36, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10,
- 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20,
- 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30,
- 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36),
- },
-}
-
-// build is a helper to construct a [][]int by extracting n sequences from x.
-// This represents n matches with len(x)/n submatches each.
-func build(n int, x ...int) [][]int {
- ret := make([][]int, n)
- runLength := len(x) / n
- j := 0
- for i := range ret {
- ret[i] = make([]int, runLength)
- copy(ret[i], x[j:])
- j += runLength
- if j > len(x) {
- panic("invalid build entry")
- }
- }
- return ret
-}
-
-// First the simple cases.
-
-func TestFind(t *testing.T) {
- for _, test := range findTests {
- re := MustCompile(test.pat)
- if re.String() != test.pat {
- t.Errorf("String() = `%s`; should be `%s`", re.String(), test.pat)
- }
- result := re.Find([]byte(test.text))
- switch {
- case len(test.matches) == 0 && len(result) == 0:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- expect := test.text[test.matches[0][0]:test.matches[0][1]]
- if expect != string(result) {
- t.Errorf("expected %q got %q: %s", expect, result, test)
- }
- }
- }
-}
-
-func TestFindString(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindString(test.text)
- switch {
- case len(test.matches) == 0 && len(result) == 0:
- // ok
- case test.matches == nil && result != "":
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == "":
- // Tricky because an empty result has two meanings: no match or empty match.
- if test.matches[0][0] != test.matches[0][1] {
- t.Errorf("expected match; got none: %s", test)
- }
- case test.matches != nil && result != "":
- expect := test.text[test.matches[0][0]:test.matches[0][1]]
- if expect != result {
- t.Errorf("expected %q got %q: %s", expect, result, test)
- }
- }
- }
-}
-
-func testFindIndex(test *FindTest, result []int, t *testing.T) {
- switch {
- case len(test.matches) == 0 && len(result) == 0:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- expect := test.matches[0]
- if expect[0] != result[0] || expect[1] != result[1] {
- t.Errorf("expected %v got %v: %s", expect, result, test)
- }
- }
-}
-
-func TestFindIndex(t *testing.T) {
- for _, test := range findTests {
- testFindIndex(&test, MustCompile(test.pat).FindIndex([]byte(test.text)), t)
- }
-}
-
-func TestFindStringIndex(t *testing.T) {
- for _, test := range findTests {
- testFindIndex(&test, MustCompile(test.pat).FindStringIndex(test.text), t)
- }
-}
-
-func TestFindReaderIndex(t *testing.T) {
- for _, test := range findTests {
- testFindIndex(&test, MustCompile(test.pat).FindReaderIndex(strings.NewReader(test.text)), t)
- }
-}
-
-// Now come the simple All cases.
-
-func TestFindAll(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindAll([]byte(test.text), -1)
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Fatalf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- if len(test.matches) != len(result) {
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- continue
- }
- for k, e := range test.matches {
- expect := test.text[e[0]:e[1]]
- if expect != string(result[k]) {
- t.Errorf("match %d: expected %q got %q: %s", k, expect, result[k], test)
- }
- }
- }
- }
-}
-
-func TestFindAllString(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindAllString(test.text, -1)
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- if len(test.matches) != len(result) {
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- continue
- }
- for k, e := range test.matches {
- expect := test.text[e[0]:e[1]]
- if expect != result[k] {
- t.Errorf("expected %q got %q: %s", expect, result, test)
- }
- }
- }
- }
-}
-
-func testFindAllIndex(test *FindTest, result [][]int, t *testing.T) {
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- if len(test.matches) != len(result) {
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- return
- }
- for k, e := range test.matches {
- if e[0] != result[k][0] || e[1] != result[k][1] {
- t.Errorf("match %d: expected %v got %v: %s", k, e, result[k], test)
- }
- }
- }
-}
-
-func TestFindAllIndex(t *testing.T) {
- for _, test := range findTests {
- testFindAllIndex(&test, MustCompile(test.pat).FindAllIndex([]byte(test.text), -1), t)
- }
-}
-
-func TestFindAllStringIndex(t *testing.T) {
- for _, test := range findTests {
- testFindAllIndex(&test, MustCompile(test.pat).FindAllStringIndex(test.text, -1), t)
- }
-}
-
-// Now come the Submatch cases.
-
-func testSubmatchBytes(test *FindTest, n int, submatches []int, result [][]byte, t *testing.T) {
- if len(submatches) != len(result)*2 {
- t.Errorf("match %d: expected %d submatches; got %d: %s", n, len(submatches)/2, len(result), test)
- return
- }
- for k := 0; k < len(submatches); k += 2 {
- if submatches[k] == -1 {
- if result[k/2] != nil {
- t.Errorf("match %d: expected nil got %q: %s", n, result, test)
- }
- continue
- }
- expect := test.text[submatches[k]:submatches[k+1]]
- if expect != string(result[k/2]) {
- t.Errorf("match %d: expected %q got %q: %s", n, expect, result, test)
- return
- }
- }
-}
-
-func TestFindSubmatch(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindSubmatch([]byte(test.text))
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- testSubmatchBytes(&test, 0, test.matches[0], result, t)
- }
- }
-}
-
-func testSubmatchString(test *FindTest, n int, submatches []int, result []string, t *testing.T) {
- if len(submatches) != len(result)*2 {
- t.Errorf("match %d: expected %d submatches; got %d: %s", n, len(submatches)/2, len(result), test)
- return
- }
- for k := 0; k < len(submatches); k += 2 {
- if submatches[k] == -1 {
- if result[k/2] != "" {
- t.Errorf("match %d: expected nil got %q: %s", n, result, test)
- }
- continue
- }
- expect := test.text[submatches[k]:submatches[k+1]]
- if expect != result[k/2] {
- t.Errorf("match %d: expected %q got %q: %s", n, expect, result, test)
- return
- }
- }
-}
-
-func TestFindStringSubmatch(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindStringSubmatch(test.text)
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- testSubmatchString(&test, 0, test.matches[0], result, t)
- }
- }
-}
-
-func testSubmatchIndices(test *FindTest, n int, expect, result []int, t *testing.T) {
- if len(expect) != len(result) {
- t.Errorf("match %d: expected %d matches; got %d: %s", n, len(expect)/2, len(result)/2, test)
- return
- }
- for k, e := range expect {
- if e != result[k] {
- t.Errorf("match %d: submatch error: expected %v got %v: %s", n, expect, result, test)
- }
- }
-}
-
-func testFindSubmatchIndex(test *FindTest, result []int, t *testing.T) {
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case test.matches != nil && result != nil:
- testSubmatchIndices(test, 0, test.matches[0], result, t)
- }
-}
-
-func TestFindSubmatchIndex(t *testing.T) {
- for _, test := range findTests {
- testFindSubmatchIndex(&test, MustCompile(test.pat).FindSubmatchIndex([]byte(test.text)), t)
- }
-}
-
-func TestFindStringSubmatchIndex(t *testing.T) {
- for _, test := range findTests {
- testFindSubmatchIndex(&test, MustCompile(test.pat).FindStringSubmatchIndex(test.text), t)
- }
-}
-
-func TestFindReaderSubmatchIndex(t *testing.T) {
- for _, test := range findTests {
- testFindSubmatchIndex(&test, MustCompile(test.pat).FindReaderSubmatchIndex(strings.NewReader(test.text)), t)
- }
-}
-
-// Now come the monster AllSubmatch cases.
-
-func TestFindAllSubmatch(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindAllSubmatch([]byte(test.text), -1)
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case len(test.matches) != len(result):
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- case test.matches != nil && result != nil:
- for k, match := range test.matches {
- testSubmatchBytes(&test, k, match, result[k], t)
- }
- }
- }
-}
-
-func TestFindAllStringSubmatch(t *testing.T) {
- for _, test := range findTests {
- result := MustCompile(test.pat).FindAllStringSubmatch(test.text, -1)
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case len(test.matches) != len(result):
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- case test.matches != nil && result != nil:
- for k, match := range test.matches {
- testSubmatchString(&test, k, match, result[k], t)
- }
- }
- }
-}
-
-func testFindAllSubmatchIndex(test *FindTest, result [][]int, t *testing.T) {
- switch {
- case test.matches == nil && result == nil:
- // ok
- case test.matches == nil && result != nil:
- t.Errorf("expected no match; got one: %s", test)
- case test.matches != nil && result == nil:
- t.Errorf("expected match; got none: %s", test)
- case len(test.matches) != len(result):
- t.Errorf("expected %d matches; got %d: %s", len(test.matches), len(result), test)
- case test.matches != nil && result != nil:
- for k, match := range test.matches {
- testSubmatchIndices(test, k, match, result[k], t)
- }
- }
-}
-
-func TestFindAllSubmatchIndex(t *testing.T) {
- for _, test := range findTests {
- testFindAllSubmatchIndex(&test, MustCompile(test.pat).FindAllSubmatchIndex([]byte(test.text), -1), t)
- }
-}
-
-func TestFindAllStringSubmatchIndex(t *testing.T) {
- for _, test := range findTests {
- testFindAllSubmatchIndex(&test, MustCompile(test.pat).FindAllStringSubmatchIndex(test.text, -1), t)
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 19:56:45 +0000