Commit | Line | Data |
3aa33fe5 |
1 | #!./perl |
a687059c |
2 | |
35fba0d9 |
3 | print "1..136\n"; |
84902520 |
4 | |
5 | #P = start of string Q = start of substr R = end of substr S = end of string |
a687059c |
6 | |
e476b1b5 |
7 | BEGIN { |
3aa33fe5 |
8 | chdir 't' if -d 't'; |
20822f61 |
9 | @INC = '../lib'; |
e476b1b5 |
10 | } |
11 | use warnings ; |
84902520 |
12 | |
e476b1b5 |
13 | $a = 'abcdefxyz'; |
84902520 |
14 | $SIG{__WARN__} = sub { |
15 | if ($_[0] =~ /^substr outside of string/) { |
16 | $w++; |
17 | } elsif ($_[0] =~ /^Attempt to use reference as lvalue in substr/) { |
18 | $w += 2; |
5d82c453 |
19 | } elsif ($_[0] =~ /^Use of uninitialized value/) { |
20 | $w += 3; |
84902520 |
21 | } else { |
5d82c453 |
22 | warn $_[0]; |
84902520 |
23 | } |
24 | }; |
a687059c |
25 | |
e476b1b5 |
26 | sub ok { print (($_[1] ? "" : "not ") . "ok $_[0]\n") } |
27 | |
28 | $FATAL_MSG = '^substr outside of string' ; |
84902520 |
29 | |
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30 | ok 1, substr($a,0,3) eq 'abc'; # P=Q R S |
31 | ok 2, substr($a,3,3) eq 'def'; # P Q R S |
32 | ok 3, substr($a,6,999) eq 'xyz'; # P Q S R |
33 | $b = substr($a,999,999) ; # warn # P R Q S |
34 | ok 4, $w-- == 1 ; |
35 | eval{substr($a,999,999) = "" ; };# P R Q S |
36 | ok 5, $@ =~ /$FATAL_MSG/; |
37 | ok 6, substr($a,0,-6) eq 'abc'; # P=Q R S |
38 | ok 7, substr($a,-3,1) eq 'x'; # P Q R S |
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39 | |
40 | $[ = 1; |
41 | |
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42 | ok 8, substr($a,1,3) eq 'abc' ; # P=Q R S |
43 | ok 9, substr($a,4,3) eq 'def' ; # P Q R S |
44 | ok 10, substr($a,7,999) eq 'xyz';# P Q S R |
45 | $b = substr($a,999,999) ; # warn # P R Q S |
46 | ok 11, $w-- == 1 ; |
47 | eval{substr($a,999,999) = "" ; } ; # P R Q S |
48 | ok 12, $@ =~ /$FATAL_MSG/; |
49 | ok 13, substr($a,1,-6) eq 'abc' ;# P=Q R S |
50 | ok 14, substr($a,-3,1) eq 'x' ; # P Q R S |
a687059c |
51 | |
52 | $[ = 0; |
53 | |
54 | substr($a,3,3) = 'XYZ'; |
e476b1b5 |
55 | ok 15, $a eq 'abcXYZxyz' ; |
a687059c |
56 | substr($a,0,2) = ''; |
e476b1b5 |
57 | ok 16, $a eq 'cXYZxyz' ; |
a687059c |
58 | substr($a,0,0) = 'ab'; |
e476b1b5 |
59 | ok 17, $a eq 'abcXYZxyz' ; |
a687059c |
60 | substr($a,0,0) = '12345678'; |
e476b1b5 |
61 | ok 18, $a eq '12345678abcXYZxyz' ; |
a687059c |
62 | substr($a,-3,3) = 'def'; |
e476b1b5 |
63 | ok 19, $a eq '12345678abcXYZdef'; |
a687059c |
64 | substr($a,-3,3) = '<'; |
e476b1b5 |
65 | ok 20, $a eq '12345678abcXYZ<' ; |
a687059c |
66 | substr($a,-1,1) = '12345678'; |
e476b1b5 |
67 | ok 21, $a eq '12345678abcXYZ12345678' ; |
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68 | |
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69 | $a = 'abcdefxyz'; |
70 | |
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71 | ok 22, substr($a,6) eq 'xyz' ; # P Q R=S |
72 | ok 23, substr($a,-3) eq 'xyz' ; # P Q R=S |
73 | $b = substr($a,999,999) ; # warning # P R=S Q |
74 | ok 24, $w-- == 1 ; |
75 | eval{substr($a,999,999) = "" ; } ; # P R=S Q |
76 | ok 25, $@ =~ /$FATAL_MSG/; |
77 | ok 26, substr($a,0) eq 'abcdefxyz' ; # P=Q R=S |
78 | ok 27, substr($a,9) eq '' ; # P Q=R=S |
79 | ok 28, substr($a,-11) eq 'abcdefxyz'; # Q P R=S |
80 | ok 29, substr($a,-9) eq 'abcdefxyz'; # P=Q R=S |
84902520 |
81 | |
82 | $a = '54321'; |
83 | |
e476b1b5 |
84 | $b = substr($a,-7, 1) ; # warn # Q R P S |
85 | ok 30, $w-- == 1 ; |
86 | eval{substr($a,-7, 1) = "" ; }; # Q R P S |
87 | ok 31, $@ =~ /$FATAL_MSG/; |
88 | $b = substr($a,-7,-6) ; # warn # Q R P S |
89 | ok 32, $w-- == 1 ; |
90 | eval{substr($a,-7,-6) = "" ; }; # Q R P S |
91 | ok 33, $@ =~ /$FATAL_MSG/; |
92 | ok 34, substr($a,-5,-7) eq ''; # R P=Q S |
93 | ok 35, substr($a, 2,-7) eq ''; # R P Q S |
94 | ok 36, substr($a,-3,-7) eq ''; # R P Q S |
95 | ok 37, substr($a, 2,-5) eq ''; # P=R Q S |
96 | ok 38, substr($a,-3,-5) eq ''; # P=R Q S |
97 | ok 39, substr($a, 2,-4) eq ''; # P R Q S |
98 | ok 40, substr($a,-3,-4) eq ''; # P R Q S |
99 | ok 41, substr($a, 5,-6) eq ''; # R P Q=S |
100 | ok 42, substr($a, 5,-5) eq ''; # P=R Q S |
101 | ok 43, substr($a, 5,-3) eq ''; # P R Q=S |
102 | $b = substr($a, 7,-7) ; # warn # R P S Q |
103 | ok 44, $w-- == 1 ; |
104 | eval{substr($a, 7,-7) = "" ; }; # R P S Q |
105 | ok 45, $@ =~ /$FATAL_MSG/; |
106 | $b = substr($a, 7,-5) ; # warn # P=R S Q |
107 | ok 46, $w-- == 1 ; |
108 | eval{substr($a, 7,-5) = "" ; }; # P=R S Q |
109 | ok 47, $@ =~ /$FATAL_MSG/; |
110 | $b = substr($a, 7,-3) ; # warn # P Q S Q |
111 | ok 48, $w-- == 1 ; |
112 | eval{substr($a, 7,-3) = "" ; }; # P Q S Q |
113 | ok 49, $@ =~ /$FATAL_MSG/; |
114 | $b = substr($a, 7, 0) ; # warn # P S Q=R |
115 | ok 50, $w-- == 1 ; |
116 | eval{substr($a, 7, 0) = "" ; }; # P S Q=R |
117 | ok 51, $@ =~ /$FATAL_MSG/; |
118 | |
119 | ok 52, substr($a,-7,2) eq ''; # Q P=R S |
120 | ok 53, substr($a,-7,4) eq '54'; # Q P R S |
121 | ok 54, substr($a,-7,7) eq '54321';# Q P R=S |
122 | ok 55, substr($a,-7,9) eq '54321';# Q P S R |
123 | ok 56, substr($a,-5,0) eq ''; # P=Q=R S |
124 | ok 57, substr($a,-5,3) eq '543';# P=Q R S |
125 | ok 58, substr($a,-5,5) eq '54321';# P=Q R=S |
126 | ok 59, substr($a,-5,7) eq '54321';# P=Q S R |
127 | ok 60, substr($a,-3,0) eq ''; # P Q=R S |
128 | ok 61, substr($a,-3,3) eq '321';# P Q R=S |
129 | ok 62, substr($a,-2,3) eq '21'; # P Q S R |
130 | ok 63, substr($a,0,-5) eq ''; # P=Q=R S |
131 | ok 64, substr($a,2,-3) eq ''; # P Q=R S |
132 | ok 65, substr($a,0,0) eq ''; # P=Q=R S |
133 | ok 66, substr($a,0,5) eq '54321';# P=Q R=S |
134 | ok 67, substr($a,0,7) eq '54321';# P=Q S R |
135 | ok 68, substr($a,2,0) eq ''; # P Q=R S |
136 | ok 69, substr($a,2,3) eq '321'; # P Q R=S |
137 | ok 70, substr($a,5,0) eq ''; # P Q=R=S |
138 | ok 71, substr($a,5,2) eq ''; # P Q=S R |
139 | ok 72, substr($a,-7,-5) eq ''; # Q P=R S |
140 | ok 73, substr($a,-7,-2) eq '543';# Q P R S |
141 | ok 74, substr($a,-5,-5) eq ''; # P=Q=R S |
142 | ok 75, substr($a,-5,-2) eq '543';# P=Q R S |
143 | ok 76, substr($a,-3,-3) eq ''; # P Q=R S |
144 | ok 77, substr($a,-3,-1) eq '32';# P Q R S |
84902520 |
145 | |
146 | $a = ''; |
147 | |
e476b1b5 |
148 | ok 78, substr($a,-2,2) eq ''; # Q P=R=S |
149 | ok 79, substr($a,0,0) eq ''; # P=Q=R=S |
150 | ok 80, substr($a,0,1) eq ''; # P=Q=S R |
151 | ok 81, substr($a,-2,3) eq ''; # Q P=S R |
152 | ok 82, substr($a,-2) eq ''; # Q P=R=S |
153 | ok 83, substr($a,0) eq ''; # P=Q=R=S |
154 | |
155 | |
156 | ok 84, substr($a,0,-1) eq ''; # R P=Q=S |
157 | $b = substr($a,-2, 0) ; # warn # Q=R P=S |
158 | ok 85, $w-- == 1 ; |
159 | eval{substr($a,-2, 0) = "" ; }; # Q=R P=S |
160 | ok 86, $@ =~ /$FATAL_MSG/; |
84902520 |
161 | |
e476b1b5 |
162 | $b = substr($a,-2, 1) ; # warn # Q R P=S |
163 | ok 87, $w-- == 1 ; |
164 | eval{substr($a,-2, 1) = "" ; }; # Q R P=S |
165 | ok 88, $@ =~ /$FATAL_MSG/; |
84902520 |
166 | |
e476b1b5 |
167 | $b = substr($a,-2,-1) ; # warn # Q R P=S |
168 | ok 89, $w-- == 1 ; |
169 | eval{substr($a,-2,-1) = "" ; }; # Q R P=S |
170 | ok 90, $@ =~ /$FATAL_MSG/; |
84902520 |
171 | |
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172 | $b = substr($a,-2,-2) ; # warn # Q=R P=S |
173 | ok 91, $w-- == 1 ; |
174 | eval{substr($a,-2,-2) = "" ; }; # Q=R P=S |
175 | ok 92, $@ =~ /$FATAL_MSG/; |
176 | |
177 | $b = substr($a, 1,-2) ; # warn # R P=S Q |
178 | ok 93, $w-- == 1 ; |
179 | eval{substr($a, 1,-2) = "" ; }; # R P=S Q |
180 | ok 94, $@ =~ /$FATAL_MSG/; |
181 | |
182 | $b = substr($a, 1, 1) ; # warn # P=S Q R |
183 | ok 95, $w-- == 1 ; |
184 | eval{substr($a, 1, 1) = "" ; }; # P=S Q R |
185 | ok 96, $@ =~ /$FATAL_MSG/; |
186 | |
187 | $b = substr($a, 1, 0) ;# warn # P=S Q=R |
188 | ok 97, $w-- == 1 ; |
189 | eval{substr($a, 1, 0) = "" ; }; # P=S Q=R |
190 | ok 98, $@ =~ /$FATAL_MSG/; |
191 | |
192 | $b = substr($a,1) ; # warning # P=R=S Q |
193 | ok 99, $w-- == 1 ; |
194 | eval{substr($a,1) = "" ; }; # P=R=S Q |
195 | ok 100, $@ =~ /$FATAL_MSG/; |
84902520 |
196 | |
197 | my $a = 'zxcvbnm'; |
198 | substr($a,2,0) = ''; |
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199 | ok 101, $a eq 'zxcvbnm'; |
84902520 |
200 | substr($a,7,0) = ''; |
e476b1b5 |
201 | ok 102, $a eq 'zxcvbnm'; |
84902520 |
202 | substr($a,5,0) = ''; |
e476b1b5 |
203 | ok 103, $a eq 'zxcvbnm'; |
84902520 |
204 | substr($a,0,2) = 'pq'; |
e476b1b5 |
205 | ok 104, $a eq 'pqcvbnm'; |
84902520 |
206 | substr($a,2,0) = 'r'; |
e476b1b5 |
207 | ok 105, $a eq 'pqrcvbnm'; |
84902520 |
208 | substr($a,8,0) = 'asd'; |
e476b1b5 |
209 | ok 106, $a eq 'pqrcvbnmasd'; |
84902520 |
210 | substr($a,0,2) = 'iop'; |
e476b1b5 |
211 | ok 107, $a eq 'ioprcvbnmasd'; |
84902520 |
212 | substr($a,0,5) = 'fgh'; |
e476b1b5 |
213 | ok 108, $a eq 'fghvbnmasd'; |
84902520 |
214 | substr($a,3,5) = 'jkl'; |
e476b1b5 |
215 | ok 109, $a eq 'fghjklsd'; |
84902520 |
216 | substr($a,3,2) = '1234'; |
e476b1b5 |
217 | ok 110, $a eq 'fgh1234lsd'; |
84902520 |
218 | |
08cb0b0d |
219 | |
220 | # with lexicals (and in re-entered scopes) |
221 | for (0,1) { |
222 | my $txt; |
223 | unless ($_) { |
224 | $txt = "Foo"; |
225 | substr($txt, -1) = "X"; |
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226 | ok 111, $txt eq "FoX"; |
08cb0b0d |
227 | } |
228 | else { |
229 | substr($txt, 0, 1) = "X"; |
e476b1b5 |
230 | ok 112, $txt eq "X"; |
08cb0b0d |
231 | } |
232 | } |
233 | |
e476b1b5 |
234 | $w = 0 ; |
84902520 |
235 | # coercion of references |
08cb0b0d |
236 | { |
237 | my $s = []; |
238 | substr($s, 0, 1) = 'Foo'; |
e476b1b5 |
239 | ok 113, substr($s,0,7) eq "FooRRAY" && !($w-=2); |
08cb0b0d |
240 | } |
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241 | |
242 | # check no spurious warnings |
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243 | ok 114, $w == 0; |
7b8d334a |
244 | |
5d82c453 |
245 | # check new 4 arg replacement syntax |
7b8d334a |
246 | $a = "abcxyz"; |
5d82c453 |
247 | $w = 0; |
e476b1b5 |
248 | ok 115, substr($a, 0, 3, "") eq "abc" && $a eq "xyz"; |
249 | ok 116, substr($a, 0, 0, "abc") eq "" && $a eq "abcxyz"; |
250 | ok 117, substr($a, 3, -1, "") eq "xy" && $a eq "abcz"; |
251 | |
252 | ok 118, substr($a, 3, undef, "xy") eq "" && $a eq "abcxyz" |
5d82c453 |
253 | && $w == 3; |
e476b1b5 |
254 | |
5d82c453 |
255 | $w = 0; |
256 | |
e476b1b5 |
257 | ok 119, substr($a, 3, 9999999, "") eq "xyz" && $a eq "abc"; |
258 | eval{substr($a, -99, 0, "") }; |
259 | ok 120, $@ =~ /$FATAL_MSG/; |
260 | eval{substr($a, 99, 3, "") }; |
261 | ok 121, $@ =~ /$FATAL_MSG/; |
5d82c453 |
262 | |
263 | substr($a, 0, length($a), "foo"); |
e476b1b5 |
264 | ok 122, $a eq "foo" && !$w; |
5d82c453 |
265 | |
266 | # using 4 arg substr as lvalue is a compile time error |
267 | eval 'substr($a,0,0,"") = "abc"'; |
e476b1b5 |
268 | ok 123, $@ && $@ =~ /Can't modify substr/ && $a eq "foo"; |
c8faf1c5 |
269 | |
270 | $a = "abcdefgh"; |
e476b1b5 |
271 | ok 124, sub { shift }->(substr($a, 0, 4, "xxxx")) eq 'abcd'; |
272 | ok 125, $a eq 'xxxxefgh'; |
7f66633b |
273 | |
e84ff256 |
274 | { |
275 | my $y = 10; |
276 | $y = "2" . $y; |
277 | ok 126, $y+0 == 210; |
278 | } |
279 | |
7f66633b |
280 | # utf8 sanity |
281 | { |
282 | my $x = substr("a\x{263a}b",0); |
e84ff256 |
283 | ok 127, length($x) == 3; |
7f66633b |
284 | $x = substr($x,1,1); |
e84ff256 |
285 | ok 128, $x eq "\x{263a}"; |
dfcb284a |
286 | $x = $x x 2; |
e84ff256 |
287 | ok 129, length($x) == 2; |
7f66633b |
288 | substr($x,0,1) = "abcd"; |
e84ff256 |
289 | ok 130, $x eq "abcd\x{263a}"; |
3aa33fe5 |
290 | ok 131, length($x) == 5; |
e84ff256 |
291 | $x = reverse $x; |
292 | ok 132, length($x) == 5; |
293 | ok 133, $x eq "\x{263a}dcba"; |
294 | |
295 | my $z = 10; |
296 | $z = "21\x{263a}" . $z; |
297 | ok 134, length($z) == 5; |
298 | ok 135, $z eq "21\x{263a}10"; |
7f66633b |
299 | } |
35fba0d9 |
300 | |
301 | # replacement should work on magical values |
302 | require Tie::Scalar; |
303 | my %data; |
304 | tie $data{'a'}, 'Tie::StdScalar'; # makes $data{'a'} magical |
305 | $data{a} = "firstlast"; |
306 | ok 136, substr($data{'a'}, 0, 5, "") eq "first" && $data{'a'} eq "last"; |