Commit | Line | Data |
---|---|---|
a687059c | 1 | |
e476b1b5 | 2 | print "1..125\n"; |
84902520 TB |
3 | |
4 | #P = start of string Q = start of substr R = end of substr S = end of string | |
a687059c | 5 | |
e476b1b5 GS |
6 | BEGIN { |
7 | unshift @INC, '../lib' if -d '../lib' ; | |
8 | } | |
9 | use warnings ; | |
84902520 | 10 | |
e476b1b5 | 11 | $a = 'abcdefxyz'; |
84902520 TB |
12 | $SIG{__WARN__} = sub { |
13 | if ($_[0] =~ /^substr outside of string/) { | |
14 | $w++; | |
15 | } elsif ($_[0] =~ /^Attempt to use reference as lvalue in substr/) { | |
16 | $w += 2; | |
5d82c453 GA |
17 | } elsif ($_[0] =~ /^Use of uninitialized value/) { |
18 | $w += 3; | |
84902520 | 19 | } else { |
5d82c453 | 20 | warn $_[0]; |
84902520 TB |
21 | } |
22 | }; | |
a687059c | 23 | |
e476b1b5 GS |
24 | sub ok { print (($_[1] ? "" : "not ") . "ok $_[0]\n") } |
25 | ||
26 | $FATAL_MSG = '^substr outside of string' ; | |
84902520 | 27 | |
e476b1b5 GS |
28 | ok 1, substr($a,0,3) eq 'abc'; # P=Q R S |
29 | ok 2, substr($a,3,3) eq 'def'; # P Q R S | |
30 | ok 3, substr($a,6,999) eq 'xyz'; # P Q S R | |
31 | $b = substr($a,999,999) ; # warn # P R Q S | |
32 | ok 4, $w-- == 1 ; | |
33 | eval{substr($a,999,999) = "" ; };# P R Q S | |
34 | ok 5, $@ =~ /$FATAL_MSG/; | |
35 | ok 6, substr($a,0,-6) eq 'abc'; # P=Q R S | |
36 | ok 7, substr($a,-3,1) eq 'x'; # P Q R S | |
a687059c LW |
37 | |
38 | $[ = 1; | |
39 | ||
e476b1b5 GS |
40 | ok 8, substr($a,1,3) eq 'abc' ; # P=Q R S |
41 | ok 9, substr($a,4,3) eq 'def' ; # P Q R S | |
42 | ok 10, substr($a,7,999) eq 'xyz';# P Q S R | |
43 | $b = substr($a,999,999) ; # warn # P R Q S | |
44 | ok 11, $w-- == 1 ; | |
45 | eval{substr($a,999,999) = "" ; } ; # P R Q S | |
46 | ok 12, $@ =~ /$FATAL_MSG/; | |
47 | ok 13, substr($a,1,-6) eq 'abc' ;# P=Q R S | |
48 | ok 14, substr($a,-3,1) eq 'x' ; # P Q R S | |
a687059c LW |
49 | |
50 | $[ = 0; | |
51 | ||
52 | substr($a,3,3) = 'XYZ'; | |
e476b1b5 | 53 | ok 15, $a eq 'abcXYZxyz' ; |
a687059c | 54 | substr($a,0,2) = ''; |
e476b1b5 | 55 | ok 16, $a eq 'cXYZxyz' ; |
a687059c | 56 | substr($a,0,0) = 'ab'; |
e476b1b5 | 57 | ok 17, $a eq 'abcXYZxyz' ; |
a687059c | 58 | substr($a,0,0) = '12345678'; |
e476b1b5 | 59 | ok 18, $a eq '12345678abcXYZxyz' ; |
a687059c | 60 | substr($a,-3,3) = 'def'; |
e476b1b5 | 61 | ok 19, $a eq '12345678abcXYZdef'; |
a687059c | 62 | substr($a,-3,3) = '<'; |
e476b1b5 | 63 | ok 20, $a eq '12345678abcXYZ<' ; |
a687059c | 64 | substr($a,-1,1) = '12345678'; |
e476b1b5 | 65 | ok 21, $a eq '12345678abcXYZ12345678' ; |
a687059c | 66 | |
d9d8d8de LW |
67 | $a = 'abcdefxyz'; |
68 | ||
e476b1b5 GS |
69 | ok 22, substr($a,6) eq 'xyz' ; # P Q R=S |
70 | ok 23, substr($a,-3) eq 'xyz' ; # P Q R=S | |
71 | $b = substr($a,999,999) ; # warning # P R=S Q | |
72 | ok 24, $w-- == 1 ; | |
73 | eval{substr($a,999,999) = "" ; } ; # P R=S Q | |
74 | ok 25, $@ =~ /$FATAL_MSG/; | |
75 | ok 26, substr($a,0) eq 'abcdefxyz' ; # P=Q R=S | |
76 | ok 27, substr($a,9) eq '' ; # P Q=R=S | |
77 | ok 28, substr($a,-11) eq 'abcdefxyz'; # Q P R=S | |
78 | ok 29, substr($a,-9) eq 'abcdefxyz'; # P=Q R=S | |
84902520 TB |
79 | |
80 | $a = '54321'; | |
81 | ||
e476b1b5 GS |
82 | $b = substr($a,-7, 1) ; # warn # Q R P S |
83 | ok 30, $w-- == 1 ; | |
84 | eval{substr($a,-7, 1) = "" ; }; # Q R P S | |
85 | ok 31, $@ =~ /$FATAL_MSG/; | |
86 | $b = substr($a,-7,-6) ; # warn # Q R P S | |
87 | ok 32, $w-- == 1 ; | |
88 | eval{substr($a,-7,-6) = "" ; }; # Q R P S | |
89 | ok 33, $@ =~ /$FATAL_MSG/; | |
90 | ok 34, substr($a,-5,-7) eq ''; # R P=Q S | |
91 | ok 35, substr($a, 2,-7) eq ''; # R P Q S | |
92 | ok 36, substr($a,-3,-7) eq ''; # R P Q S | |
93 | ok 37, substr($a, 2,-5) eq ''; # P=R Q S | |
94 | ok 38, substr($a,-3,-5) eq ''; # P=R Q S | |
95 | ok 39, substr($a, 2,-4) eq ''; # P R Q S | |
96 | ok 40, substr($a,-3,-4) eq ''; # P R Q S | |
97 | ok 41, substr($a, 5,-6) eq ''; # R P Q=S | |
98 | ok 42, substr($a, 5,-5) eq ''; # P=R Q S | |
99 | ok 43, substr($a, 5,-3) eq ''; # P R Q=S | |
100 | $b = substr($a, 7,-7) ; # warn # R P S Q | |
101 | ok 44, $w-- == 1 ; | |
102 | eval{substr($a, 7,-7) = "" ; }; # R P S Q | |
103 | ok 45, $@ =~ /$FATAL_MSG/; | |
104 | $b = substr($a, 7,-5) ; # warn # P=R S Q | |
105 | ok 46, $w-- == 1 ; | |
106 | eval{substr($a, 7,-5) = "" ; }; # P=R S Q | |
107 | ok 47, $@ =~ /$FATAL_MSG/; | |
108 | $b = substr($a, 7,-3) ; # warn # P Q S Q | |
109 | ok 48, $w-- == 1 ; | |
110 | eval{substr($a, 7,-3) = "" ; }; # P Q S Q | |
111 | ok 49, $@ =~ /$FATAL_MSG/; | |
112 | $b = substr($a, 7, 0) ; # warn # P S Q=R | |
113 | ok 50, $w-- == 1 ; | |
114 | eval{substr($a, 7, 0) = "" ; }; # P S Q=R | |
115 | ok 51, $@ =~ /$FATAL_MSG/; | |
116 | ||
117 | ok 52, substr($a,-7,2) eq ''; # Q P=R S | |
118 | ok 53, substr($a,-7,4) eq '54'; # Q P R S | |
119 | ok 54, substr($a,-7,7) eq '54321';# Q P R=S | |
120 | ok 55, substr($a,-7,9) eq '54321';# Q P S R | |
121 | ok 56, substr($a,-5,0) eq ''; # P=Q=R S | |
122 | ok 57, substr($a,-5,3) eq '543';# P=Q R S | |
123 | ok 58, substr($a,-5,5) eq '54321';# P=Q R=S | |
124 | ok 59, substr($a,-5,7) eq '54321';# P=Q S R | |
125 | ok 60, substr($a,-3,0) eq ''; # P Q=R S | |
126 | ok 61, substr($a,-3,3) eq '321';# P Q R=S | |
127 | ok 62, substr($a,-2,3) eq '21'; # P Q S R | |
128 | ok 63, substr($a,0,-5) eq ''; # P=Q=R S | |
129 | ok 64, substr($a,2,-3) eq ''; # P Q=R S | |
130 | ok 65, substr($a,0,0) eq ''; # P=Q=R S | |
131 | ok 66, substr($a,0,5) eq '54321';# P=Q R=S | |
132 | ok 67, substr($a,0,7) eq '54321';# P=Q S R | |
133 | ok 68, substr($a,2,0) eq ''; # P Q=R S | |
134 | ok 69, substr($a,2,3) eq '321'; # P Q R=S | |
135 | ok 70, substr($a,5,0) eq ''; # P Q=R=S | |
136 | ok 71, substr($a,5,2) eq ''; # P Q=S R | |
137 | ok 72, substr($a,-7,-5) eq ''; # Q P=R S | |
138 | ok 73, substr($a,-7,-2) eq '543';# Q P R S | |
139 | ok 74, substr($a,-5,-5) eq ''; # P=Q=R S | |
140 | ok 75, substr($a,-5,-2) eq '543';# P=Q R S | |
141 | ok 76, substr($a,-3,-3) eq ''; # P Q=R S | |
142 | ok 77, substr($a,-3,-1) eq '32';# P Q R S | |
84902520 TB |
143 | |
144 | $a = ''; | |
145 | ||
e476b1b5 GS |
146 | ok 78, substr($a,-2,2) eq ''; # Q P=R=S |
147 | ok 79, substr($a,0,0) eq ''; # P=Q=R=S | |
148 | ok 80, substr($a,0,1) eq ''; # P=Q=S R | |
149 | ok 81, substr($a,-2,3) eq ''; # Q P=S R | |
150 | ok 82, substr($a,-2) eq ''; # Q P=R=S | |
151 | ok 83, substr($a,0) eq ''; # P=Q=R=S | |
152 | ||
153 | ||
154 | ok 84, substr($a,0,-1) eq ''; # R P=Q=S | |
155 | $b = substr($a,-2, 0) ; # warn # Q=R P=S | |
156 | ok 85, $w-- == 1 ; | |
157 | eval{substr($a,-2, 0) = "" ; }; # Q=R P=S | |
158 | ok 86, $@ =~ /$FATAL_MSG/; | |
84902520 | 159 | |
e476b1b5 GS |
160 | $b = substr($a,-2, 1) ; # warn # Q R P=S |
161 | ok 87, $w-- == 1 ; | |
162 | eval{substr($a,-2, 1) = "" ; }; # Q R P=S | |
163 | ok 88, $@ =~ /$FATAL_MSG/; | |
84902520 | 164 | |
e476b1b5 GS |
165 | $b = substr($a,-2,-1) ; # warn # Q R P=S |
166 | ok 89, $w-- == 1 ; | |
167 | eval{substr($a,-2,-1) = "" ; }; # Q R P=S | |
168 | ok 90, $@ =~ /$FATAL_MSG/; | |
84902520 | 169 | |
e476b1b5 GS |
170 | $b = substr($a,-2,-2) ; # warn # Q=R P=S |
171 | ok 91, $w-- == 1 ; | |
172 | eval{substr($a,-2,-2) = "" ; }; # Q=R P=S | |
173 | ok 92, $@ =~ /$FATAL_MSG/; | |
174 | ||
175 | $b = substr($a, 1,-2) ; # warn # R P=S Q | |
176 | ok 93, $w-- == 1 ; | |
177 | eval{substr($a, 1,-2) = "" ; }; # R P=S Q | |
178 | ok 94, $@ =~ /$FATAL_MSG/; | |
179 | ||
180 | $b = substr($a, 1, 1) ; # warn # P=S Q R | |
181 | ok 95, $w-- == 1 ; | |
182 | eval{substr($a, 1, 1) = "" ; }; # P=S Q R | |
183 | ok 96, $@ =~ /$FATAL_MSG/; | |
184 | ||
185 | $b = substr($a, 1, 0) ;# warn # P=S Q=R | |
186 | ok 97, $w-- == 1 ; | |
187 | eval{substr($a, 1, 0) = "" ; }; # P=S Q=R | |
188 | ok 98, $@ =~ /$FATAL_MSG/; | |
189 | ||
190 | $b = substr($a,1) ; # warning # P=R=S Q | |
191 | ok 99, $w-- == 1 ; | |
192 | eval{substr($a,1) = "" ; }; # P=R=S Q | |
193 | ok 100, $@ =~ /$FATAL_MSG/; | |
84902520 TB |
194 | |
195 | my $a = 'zxcvbnm'; | |
196 | substr($a,2,0) = ''; | |
e476b1b5 | 197 | ok 101, $a eq 'zxcvbnm'; |
84902520 | 198 | substr($a,7,0) = ''; |
e476b1b5 | 199 | ok 102, $a eq 'zxcvbnm'; |
84902520 | 200 | substr($a,5,0) = ''; |
e476b1b5 | 201 | ok 103, $a eq 'zxcvbnm'; |
84902520 | 202 | substr($a,0,2) = 'pq'; |
e476b1b5 | 203 | ok 104, $a eq 'pqcvbnm'; |
84902520 | 204 | substr($a,2,0) = 'r'; |
e476b1b5 | 205 | ok 105, $a eq 'pqrcvbnm'; |
84902520 | 206 | substr($a,8,0) = 'asd'; |
e476b1b5 | 207 | ok 106, $a eq 'pqrcvbnmasd'; |
84902520 | 208 | substr($a,0,2) = 'iop'; |
e476b1b5 | 209 | ok 107, $a eq 'ioprcvbnmasd'; |
84902520 | 210 | substr($a,0,5) = 'fgh'; |
e476b1b5 | 211 | ok 108, $a eq 'fghvbnmasd'; |
84902520 | 212 | substr($a,3,5) = 'jkl'; |
e476b1b5 | 213 | ok 109, $a eq 'fghjklsd'; |
84902520 | 214 | substr($a,3,2) = '1234'; |
e476b1b5 | 215 | ok 110, $a eq 'fgh1234lsd'; |
84902520 | 216 | |
08cb0b0d | 217 | |
218 | # with lexicals (and in re-entered scopes) | |
219 | for (0,1) { | |
220 | my $txt; | |
221 | unless ($_) { | |
222 | $txt = "Foo"; | |
223 | substr($txt, -1) = "X"; | |
e476b1b5 | 224 | ok 111, $txt eq "FoX"; |
08cb0b0d | 225 | } |
226 | else { | |
227 | substr($txt, 0, 1) = "X"; | |
e476b1b5 | 228 | ok 112, $txt eq "X"; |
08cb0b0d | 229 | } |
230 | } | |
231 | ||
e476b1b5 | 232 | $w = 0 ; |
84902520 | 233 | # coercion of references |
08cb0b0d | 234 | { |
235 | my $s = []; | |
236 | substr($s, 0, 1) = 'Foo'; | |
e476b1b5 | 237 | ok 113, substr($s,0,7) eq "FooRRAY" && !($w-=2); |
08cb0b0d | 238 | } |
84902520 TB |
239 | |
240 | # check no spurious warnings | |
e476b1b5 | 241 | ok 114, $w == 0; |
7b8d334a | 242 | |
5d82c453 | 243 | # check new 4 arg replacement syntax |
7b8d334a | 244 | $a = "abcxyz"; |
5d82c453 | 245 | $w = 0; |
e476b1b5 GS |
246 | ok 115, substr($a, 0, 3, "") eq "abc" && $a eq "xyz"; |
247 | ok 116, substr($a, 0, 0, "abc") eq "" && $a eq "abcxyz"; | |
248 | ok 117, substr($a, 3, -1, "") eq "xy" && $a eq "abcz"; | |
249 | ||
250 | ok 118, substr($a, 3, undef, "xy") eq "" && $a eq "abcxyz" | |
5d82c453 | 251 | && $w == 3; |
e476b1b5 | 252 | |
5d82c453 GA |
253 | $w = 0; |
254 | ||
e476b1b5 GS |
255 | ok 119, substr($a, 3, 9999999, "") eq "xyz" && $a eq "abc"; |
256 | eval{substr($a, -99, 0, "") }; | |
257 | ok 120, $@ =~ /$FATAL_MSG/; | |
258 | eval{substr($a, 99, 3, "") }; | |
259 | ok 121, $@ =~ /$FATAL_MSG/; | |
5d82c453 GA |
260 | |
261 | substr($a, 0, length($a), "foo"); | |
e476b1b5 | 262 | ok 122, $a eq "foo" && !$w; |
5d82c453 GA |
263 | |
264 | # using 4 arg substr as lvalue is a compile time error | |
265 | eval 'substr($a,0,0,"") = "abc"'; | |
e476b1b5 | 266 | ok 123, $@ && $@ =~ /Can't modify substr/ && $a eq "foo"; |
c8faf1c5 GS |
267 | |
268 | $a = "abcdefgh"; | |
e476b1b5 GS |
269 | ok 124, sub { shift }->(substr($a, 0, 4, "xxxx")) eq 'abcd'; |
270 | ok 125, $a eq 'xxxxefgh'; |