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Added more tests

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posixStyleMatching
Aadhavan Srinivasan 1 month ago
parent 4547ba74f0
commit 932a20f641
1 changed files with 26 additions and 0 deletions
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26
re_test.go
Unescape Escape View File

@ -212,12 +212,19 @@ var reTests = []struct {
{`ab*bc`, nil, `abc`, []Group{{0, 3}}}, {`ab*bc`, nil, `abc`, []Group{{0, 3}}},
{`ab*bc`, nil, `abbc`, []Group{{0, 4}}}, {`ab*bc`, nil, `abbc`, []Group{{0, 4}}},
{`ab*bc`, nil, `abbbbc`, []Group{{0, 6}}}, {`ab*bc`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab{0,}c`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab+bc`, nil, `abbc`, []Group{{0, 4}}}, {`ab+bc`, nil, `abbc`, []Group{{0, 4}}},
{`ab+bc`, nil, `abc`, []Group{}}, {`ab+bc`, nil, `abc`, []Group{}},
{`ab+bc`, nil, `abq`, []Group{}}, {`ab+bc`, nil, `abq`, []Group{}},
{`ab{1,}bc`, nil, `abq`, []Group{}},
{`ab+bc`, nil, `abbbbc`, []Group{{0, 6}}}, {`ab+bc`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab{1,}bc`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab{1,3}bc`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab{3,4}bc`, nil, `abbbbc`, []Group{{0, 6}}},
{`ab{4,5}bc`, nil, `abbbbc`, []Group{}},
{`ab?bc`, nil, `abbc`, []Group{{0, 4}}}, {`ab?bc`, nil, `abbc`, []Group{{0, 4}}},
{`ab?bc`, nil, `abc`, []Group{{0, 3}}}, {`ab?bc`, nil, `abc`, []Group{{0, 3}}},
{`ab{0,1}bc`, nil, `abc`, []Group{{0, 3}}},
{`ab?bc`, nil, `abbbbc`, []Group{}}, {`ab?bc`, nil, `abbbbc`, []Group{}},
{`ab?c`, nil, `abc`, []Group{{0, 3}}}, {`ab?c`, nil, `abc`, []Group{{0, 3}}},
{`^abc$`, nil, `abc`, []Group{{0, 3}}}, {`^abc$`, nil, `abc`, []Group{{0, 3}}},
@ -281,6 +288,7 @@ var reTests = []struct {
{`a\(*b`, nil, `a((b`, []Group{{0, 4}}}, {`a\(*b`, nil, `a((b`, []Group{{0, 4}}},
{`a\\b`, nil, `a\b`, []Group{{0, 3}}}, {`a\\b`, nil, `a\b`, []Group{{0, 3}}},
{`a+b+c`, nil, `aabbabc`, []Group{{4, 7}}}, {`a+b+c`, nil, `aabbabc`, []Group{{4, 7}}},
{`a{1,}b{1,}c`, nil, `aabbabc`, []Group{{4, 7}}},
{`)(`, nil, `-`, nil}, {`)(`, nil, `-`, nil},
{`[^ab]*`, nil, `cde`, []Group{{0, 3}, {3, 3}}}, {`[^ab]*`, nil, `cde`, []Group{{0, 3}, {3, 3}}},
{`abc`, nil, ``, []Group{}}, {`abc`, nil, ``, []Group{}},
@ -298,6 +306,17 @@ var reTests = []struct {
{`[k]`, nil, `ab`, []Group{}}, {`[k]`, nil, `ab`, []Group{}},
{`a[-]?c`, nil, `ac`, []Group{{0, 2}}}, {`a[-]?c`, nil, `ac`, []Group{{0, 2}}},
{`^(.+)?B`, nil, `AB`, []Group{{0, 2}}}, {`^(.+)?B`, nil, `AB`, []Group{{0, 2}}},
{`\0009`, nil, "\x009", []Group{{0, 2}}},
{`\141`, nil, "a", []Group{{0, 1}}},
{`*a`, nil, ``, nil},
{`(*)b`, nil, ``, nil},
{`a**`, nil, ``, nil},
{`^`, nil, `abc`, []Group{{0, 0}}},
{`$`, nil, `abc`, []Group{{3, 3}}},
{`a[b-]`, nil, `a-`, []Group{{0, 2}}},
{`a[b-a]`, nil, `a-`, nil},
// At this point, the python test suite has a bunch // At this point, the python test suite has a bunch
// of backreference tests. Since my engine doesn't // of backreference tests. Since my engine doesn't
@ -340,8 +359,11 @@ var groupTests = []struct {
{`((a))`, nil, `abc`, []Match{[]Group{{0, 1}, {0, 1}, {0, 1}}}}, {`((a))`, nil, `abc`, []Match{[]Group{{0, 1}, {0, 1}, {0, 1}}}},
{`(a)b(c)`, nil, `abc`, []Match{[]Group{{0, 3}, {0, 1}, {2, 3}}}}, {`(a)b(c)`, nil, `abc`, []Match{[]Group{{0, 3}, {0, 1}, {2, 3}}}},
{`(a+|b)*`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}, []Group{{2, 2}}}}, {`(a+|b)*`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}, []Group{{2, 2}}}},
{`(a+|b){0,}`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}, []Group{{2, 2}}}},
{`(a+|b)+`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}}}, {`(a+|b)+`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}}},
{`(a+|b){1,}`, nil, `ab`, []Match{[]Group{{0, 2}, {1, 2}}}},
{`(a+|b)?`, nil, `ab`, []Match{[]Group{{0, 1}, {0, 1}}, []Group{{1, 2}, {1, 2}}, []Group{{2, 2}}}}, {`(a+|b)?`, nil, `ab`, []Match{[]Group{{0, 1}, {0, 1}}, []Group{{1, 2}, {1, 2}}, []Group{{2, 2}}}},
{`(a+|b){0,1}`, nil, `ab`, []Match{[]Group{{0, 1}, {0, 1}}, []Group{{1, 2}, {1, 2}}, []Group{{2, 2}}}},
{`(a|b|c|d|e)f`, nil, `ef`, []Match{[]Group{{0, 2}, {0, 1}}}}, {`(a|b|c|d|e)f`, nil, `ef`, []Match{[]Group{{0, 2}, {0, 1}}}},
{`(ab|cd)e`, nil, `abcde`, []Match{[]Group{{2, 5}, {2, 4}}}}, {`(ab|cd)e`, nil, `abcde`, []Match{[]Group{{2, 5}, {2, 4}}}},
{`^(ab|cd)e`, nil, `abcde`, []Match{}}, {`^(ab|cd)e`, nil, `abcde`, []Match{}},
@ -361,6 +383,7 @@ var groupTests = []struct {
{`(bc+d$|ef*g.|h?i(j|k))`, nil, `bcdd`, []Match{}}, {`(bc+d$|ef*g.|h?i(j|k))`, nil, `bcdd`, []Match{}},
{`(bc+d$|ef*g.|h?i(j|k))`, nil, `reffgz`, []Match{[]Group{{1, 6}, {1, 6}}}}, {`(bc+d$|ef*g.|h?i(j|k))`, nil, `reffgz`, []Match{[]Group{{1, 6}, {1, 6}}}},
{`(((((((((a)))))))))`, nil, `a`, []Match{[]Group{{0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}}}}, {`(((((((((a)))))))))`, nil, `a`, []Match{[]Group{{0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}}}},
{`(((((((((a)))))))))\41`, nil, `a`, []Match{[]Group{{0, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}}}},
{`(.*)c(.*)`, nil, `abcde`, []Match{[]Group{{0, 5}, {0, 2}, {3, 5}}}}, {`(.*)c(.*)`, nil, `abcde`, []Match{[]Group{{0, 5}, {0, 2}, {3, 5}}}},
{`\((.*), (.*)\)`, nil, `(a, b)`, []Match{[]Group{{0, 6}, {1, 2}, {4, 5}}}}, {`\((.*), (.*)\)`, nil, `(a, b)`, []Match{[]Group{{0, 6}, {1, 2}, {4, 5}}}},
@ -379,6 +402,9 @@ var groupTests = []struct {
{`([abc]*)x`, nil, `abc`, []Match{}}, {`([abc]*)x`, nil, `abc`, []Match{}},
{`([xyz]*)x`, nil, `abcx`, []Match{[]Group{{3, 4}, {3, 3}}}}, {`([xyz]*)x`, nil, `abcx`, []Match{[]Group{{3, 4}, {3, 3}}}},
{`(a)+b|aac`, nil, `aac`, []Match{[]Group{{0, 3}}}}, {`(a)+b|aac`, nil, `aac`, []Match{[]Group{{0, 3}}}},
{`([abc])*d`, nil, `abbbcd`, []Match{[]Group{{0, 6}, {4, 5}}}},
{`([abc])*bcd`, nil, `abcd`, []Match{[]Group{{0, 4}, {0, 1}}}},
{`^(ab|cd)e`, nil, `abcde`, []Match{}},
} }
func TestFindAllMatches(t *testing.T) { func TestFindAllMatches(t *testing.T) {

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