1Test for regexp patterns.
2
3A pattern that gives the expected result produces OK, so that we know it was
4actually tried.
5
6STARTTEST
7:so small.vim
8:" tl is a List of Lists with:
9:"    regexp pattern
10:"    text to test the pattern on
11:"    expected match (optional)
12:"    expected submatch 1 (optional)
13:"    expected submatch 2 (optional)
14:"    etc.
15:"  When there is no match use only the first two items.
16:let tl = []
17:call add(tl, ['ab', 'aab', 'ab'])
18:call add(tl, ['b', 'abcdef', 'b'])
19:call add(tl, ['bc*', 'abccccdef', 'bcccc'])
20:call add(tl, ['bc\{-}', 'abccccdef', 'b'])
21:call add(tl, ['bc\{-}\(d\)', 'abccccdef', 'bccccd', 'd'])
22:call add(tl, ['bc*', 'abbdef', 'b'])
23:call add(tl, ['c*', 'ccc', 'ccc'])
24:call add(tl, ['bc*', 'abdef', 'b'])
25:call add(tl, ['c*', 'abdef', ''])
26:call add(tl, ['bc\+', 'abccccdef', 'bcccc'])
27:call add(tl, ['bc\+', 'abdef']) "no match
28:"
29:"operator \|
30:call add(tl, ['a\|ab', 'cabd', 'a']) "alternation is ordered
31:"
32:call add(tl, ['c\?', 'ccb', 'c'])
33:call add(tl, ['bc\?', 'abd', 'b'])
34:call add(tl, ['bc\?', 'abccd', 'bc'])
35:"
36:call add(tl, ['\va{1}', 'ab', 'a'])
37:"
38:call add(tl, ['\va{2}', 'aa', 'aa'])
39:call add(tl, ['\va{2}', 'caad', 'aa'])
40:call add(tl, ['\va{2}', 'aba'])
41:call add(tl, ['\va{2}', 'ab'])
42:call add(tl, ['\va{2}', 'abaa', 'aa'])
43:call add(tl, ['\va{2}', 'aaa', 'aa'])
44:"
45:call add(tl, ['\vb{1}', 'abca', 'b'])
46:call add(tl, ['\vba{2}', 'abaa', 'baa'])
47:call add(tl, ['\vba{3}', 'aabaac'])
48:"
49:call add(tl, ['\v(ab){1}', 'ab', 'ab', 'ab'])
50:call add(tl, ['\v(ab){1}', 'dabc', 'ab', 'ab'])
51:call add(tl, ['\v(ab){1}', 'acb'])
52:"
53:call add(tl, ['\v(ab){0,2}', 'acb', "", ""])
54:call add(tl, ['\v(ab){0,2}', 'ab', 'ab', 'ab'])
55:call add(tl, ['\v(ab){1,2}', 'ab', 'ab', 'ab'])
56:call add(tl, ['\v(ab){1,2}', 'ababc', 'abab', 'ab'])
57:call add(tl, ['\v(ab){2,4}', 'ababcab', 'abab', 'ab'])
58:call add(tl, ['\v(ab){2,4}', 'abcababa', 'abab', 'ab'])
59:"
60:call add(tl, ['\v(ab){2}', 'abab', 'abab', 'ab'])
61:call add(tl, ['\v(ab){2}', 'cdababe', 'abab', 'ab'])
62:call add(tl, ['\v(ab){2}', 'abac'])
63:call add(tl, ['\v(ab){2}', 'abacabab', 'abab', 'ab'])
64:call add(tl, ['\v((ab){2}){2}', 'abababab', 'abababab', 'abab', 'ab'])
65:call add(tl, ['\v((ab){2}){2}', 'abacabababab', 'abababab', 'abab', 'ab'])
66:"
67:call add(tl, ['\v(a{1}){1}', 'a', 'a', 'a'])
68:call add(tl, ['\v(a{2}){1}', 'aa', 'aa', 'aa'])
69:call add(tl, ['\v(a{2}){1}', 'aaac', 'aa', 'aa'])
70:call add(tl, ['\v(a{2}){1}', 'daaac', 'aa', 'aa'])
71:call add(tl, ['\v(a{1}){2}', 'daaac', 'aa', 'a'])
72:call add(tl, ['\v(a{1}){2}', 'aaa', 'aa', 'a'])
73:call add(tl, ['\v(a{2})+', 'adaac', 'aa', 'aa'])
74:call add(tl, ['\v(a{2})+', 'aa', 'aa', 'aa'])
75:call add(tl, ['\v(a{2}){1}', 'aa', 'aa', 'aa'])
76:call add(tl, ['\v(a{1}){2}', 'aa', 'aa', 'a'])
77:call add(tl, ['\v(a{1}){1}', 'a', 'a', 'a'])
78:call add(tl, ['\v(a{2}){2}', 'aaaa', 'aaaa', 'aa'])
79:call add(tl, ['\v(a{2}){2}', 'aaabaaaa', 'aaaa', 'aa'])
80:"
81:call add(tl, ['\v(a+){2}', 'dadaac', 'aa', 'a'])
82:call add(tl, ['\v(a{3}){2}', 'aaaaaaa', 'aaaaaa', 'aaa'])
83:"
84:call add(tl, ['\v(a{1,2}){2}', 'daaac', 'aaa', 'a'])
85:call add(tl, ['\v(a{1,3}){2}', 'daaaac', 'aaaa', 'a'])
86:call add(tl, ['\v(a{1,3}){2}', 'daaaaac', 'aaaaa', 'aa'])
87:call add(tl, ['\v(a{1,3}){3}', 'daac'])
88:call add(tl, ['\v(a{1,2}){2}', 'dac'])
89:call add(tl, ['\v(a+)+', 'daac', 'aa', 'aa'])
90:call add(tl, ['\v(a+)+', 'aaa', 'aaa', 'aaa'])
91:call add(tl, ['\v(a+){1,2}', 'aaa', 'aaa', 'aaa'])
92:call add(tl, ['\v(a+)(a+)', 'aaa', 'aaa', 'aa', 'a'])
93:call add(tl, ['\v(a{3})+', 'daaaac', 'aaa', 'aaa'])
94:call add(tl, ['\v(a|b|c)+', 'aacb', 'aacb', 'b'])
95:call add(tl, ['\v(a|b|c){2}', 'abcb', 'ab', 'b'])
96:call add(tl, ['\v(abc){2}', 'abcabd', ])
97:call add(tl, ['\v(abc){2}', 'abdabcabc','abcabc', 'abc'])
98:"
99:call add(tl, ['a*', 'cc', ''])
100:call add(tl, ['\v(a*)+', 'cc', ''])
101:call add(tl, ['\v((ab)+)+', 'ab', 'ab', 'ab', 'ab'])
102:call add(tl, ['\v(((ab)+)+)+', 'ab', 'ab', 'ab', 'ab', 'ab'])
103:call add(tl, ['\v(((ab)+)+)+', 'dababc', 'abab', 'abab', 'abab', 'ab'])
104:call add(tl, ['\v(a{0,2})+', 'cc', ''])
105:call add(tl, ['\v(a*)+', '', ''])
106:call add(tl, ['\v((a*)+)+', '', ''])
107:call add(tl, ['\v((ab)*)+', '', ''])
108:call add(tl, ['\va{1,3}', 'aab', 'aa'])
109:call add(tl, ['\va{2,3}', 'abaa', 'aa'])
110:"
111:call add(tl, ['\v((ab)+|c*)+', 'abcccaba', 'abcccab', '', 'ab'])
112:call add(tl, ['\v(a{2})|(b{3})', 'bbabbbb', 'bbb', '', 'bbb'])
113:call add(tl, ['\va{2}|b{2}', 'abab'])
114:call add(tl, ['\v(a)+|(c)+', 'bbacbaacbbb', 'a', 'a'])
115:call add(tl, ['\vab{2,3}c', 'aabbccccccccccccc', 'abbc'])
116:call add(tl, ['\vab{2,3}c', 'aabbbccccccccccccc', 'abbbc'])
117:call add(tl, ['\vab{2,3}cd{2,3}e', 'aabbbcddee', 'abbbcdde'])
118:call add(tl, ['\va(bc){2}d', 'aabcbfbc' ])
119:call add(tl, ['\va*a{2}', 'a', ])
120:call add(tl, ['\va*a{2}', 'aa', 'aa' ])
121:call add(tl, ['\va*a{2}', 'aaa', 'aaa' ])
122:call add(tl, ['\va*a{2}', 'bbbabcc', ])
123:call add(tl, ['\va*b*|a*c*', 'a', 'a'])
124:call add(tl, ['\va{1}b{1}|a{1}b{1}', ''])
125:"
126:"submatches
127:call add(tl, ['\v(a)', 'ab', 'a', 'a'])
128:call add(tl, ['\v(a)(b)', 'ab', 'ab', 'a', 'b'])
129:call add(tl, ['\v(ab)(b)(c)', 'abbc', 'abbc', 'ab', 'b', 'c'])
130:call add(tl, ['\v((a)(b))', 'ab', 'ab', 'ab', 'a', 'b'])
131:call add(tl, ['\v(a)|(b)', 'ab', 'a', 'a'])
132:"
133:call add(tl, ['\v(a*)+', 'aaaa', 'aaaa', ''])
134:call add(tl, ['x', 'abcdef'])
135:"
136:for t in tl
137:  let l = matchlist(t[1], t[0])
138:" check the match itself
139:  if len(l) == 0 && len(t) > 2
140:    $put ='ERROR: pat: \"' . t[0] . '\", text: \"' . t[1] . '\", did not match, expected: \"' . t[2] . '\"'
141:  elseif len(l) > 0 && len(t) == 2
142:    $put ='ERROR: pat: \"' . t[0] . '\", text: \"' . t[1] . '\", match: \"' . l[0] . '\", expected no match'
143:  elseif len(t) > 2 && l[0] != t[2]
144:    $put ='ERROR: pat: \"' . t[0] . '\", text: \"' . t[1] . '\", match: \"' . l[0] . '\", expected: \"' . t[2] . '\"'
145:  else
146:    $put ='OK'
147:  endif
148:  if len(l) > 0
149:"   check all the nine submatches
150:    for i in range(1, 9)
151:      if len(t) <= i + 2
152:        let e = ''
153:      else
154:        let e = t[i + 2]
155:      endif
156:      if l[i] != e
157:        $put ='ERROR: pat: \"' . t[0] . '\", text: \"' . t[1] . '\", submatch ' . i . ': \"' . l[i] . '\", expected: \"' . e . '\"'
158:      endif
159:    endfor
160:    unlet i
161:  endif
162:endfor
163:unlet t tl e l
164:/^Results/,$wq! test.out
165ENDTEST
166
167Results of test64:
168