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[perl #123802] Assertion failure with /$0{}/
[perl5.git] / t / op / lex.t
CommitLineData
bc795616 1#!perl
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FC
2
3# Tests too complex for t/base/lex.t
4
f3365a56 5use strict;
bc795616 6use warnings;
f3365a56 7
a817e89d 8BEGIN { chdir 't' if -d 't'; require './test.pl'; }
f3365a56 9
479ae48e 10plan(tests => 21);
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NC
11
12{
13 no warnings 'deprecated';
14 print <<; # Yow!
15ok 1
16
17 # previous line intentionally left blank.
18
19 my $yow = "ok 2";
20 print <<; # Yow!
21$yow
22
23 # previous line intentionally left blank.
24}
25
26curr_test(3);
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27
28
29{
30 my %foo = (aap => "monkey");
31 my $foo = '';
32 is("@{[$foo{'aap'}]}", 'monkey', 'interpolation of hash lookup with space between lexical variable and subscript');
33 is("@{[$foo {'aap'}]}", 'monkey', 'interpolation of hash lookup with space between lexical variable and subscript - test for [perl #70091]');
34
35# Original bug report [perl #70091]
36# #!perl
37# use warnings;
38# my %foo;
39# my $foo = '';
40# (my $tmp = $foo) =~ s/^/$foo {$0}/e;
41# __END__
42#
43# This program causes a segfault with 5.10.0 and 5.10.1.
44#
45# The space between '$foo' and '{' is essential, which is why piping
46# it through perl -MO=Deparse "fixes" it.
47#
48
49}
50
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51{
52 delete local $ENV{PERL_UNICODE};
53 fresh_perl_is(
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54 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"} } "\N{a}"',
55 'Constant(\N{a}) unknown at - line 1, within string' . "\n"
56 ."Execution of - aborted due to compilation errors.\n",
57 { stderr => 1 },
58 'correct output (and no crash) when charnames cannot load for \N{...}'
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59 );
60}
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61fresh_perl_is(
62 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
63 $^H{charnames} = "foo" } "\N{a}"',
64 "Undefined subroutine &main::foo called at - line 2.\n"
65 ."Propagated at - line 2, within string\n"
66 ."Execution of - aborted due to compilation errors.\n",
67 { stderr => 1 },
68 'no crash when charnames cannot load and %^H holds string'
69);
70fresh_perl_is(
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71 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
72 $^H{charnames} = \"foo" } "\N{a}"',
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73 "Not a CODE reference at - line 2.\n"
74 ."Propagated at - line 2, within string\n"
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75 ."Execution of - aborted due to compilation errors.\n",
76 { stderr => 1 },
77 'no crash when charnames cannot load and %^H holds string reference'
78);
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79
80# not fresh_perl_is, as it seems to hide the error
81is runperl(
82 nolib => 1, # -Ilib may also hide the error
83 progs => [
84 '*{',
85 ' XS::APItest::gv_fetchmeth_type()',
86 '}'
87 ],
88 stderr => 1,
89 ),
90 "Undefined subroutine &XS::APItest::gv_fetchmeth_type called at -e line "
91 ."2.\n",
92 'no buffer corruption with multiline *{...expr...}'
93;
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FC
94
95$_ = "rhubarb";
96is ${no strict; \$_}, "rhubarb", '${no strict; ...}';
97is join("", map{no strict; "rhu$_" } "barb"), 'rhubarb',
98 'map{no strict;...}';
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99
100# [perl #123753]
101fresh_perl_is(
102 '$eq = "ok\n"; print $' . "\0eq\n",
103 "ok\n",
104 { stderr => 1 },
105 '$ <null> ident'
106);
107fresh_perl_is(
108 '@eq = "ok\n"; print @' . "\0eq\n",
109 "ok\n",
110 { stderr => 1 },
111 '@ <null> ident'
112);
113fresh_perl_is(
114 '%eq = ("o"=>"k\n"); print %' . "\0eq\n",
115 "ok\n",
116 { stderr => 1 },
117 '% <null> ident'
118);
119fresh_perl_is(
120 'sub eq { "ok\n" } print &' . "\0eq\n",
121 "ok\n",
122 { stderr => 1 },
123 '& <null> ident'
124);
125fresh_perl_is(
126 '$eq = "ok\n"; print ${*' . "\0eq{SCALAR}}\n",
127 "ok\n",
128 { stderr => 1 },
129 '* <null> ident'
130);
131SKIP: {
eea89386 132 skip "Different output on EBCDIC (presumably)", 2 if ord("A") != 65;
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133 fresh_perl_is(
134 qq'"ab}"ax;&\0z\x8Ao}\x82x;', <<gibberish,
135Bareword found where operator expected at - line 1, near ""ab}"ax"
136 (Missing operator before ax?)
137syntax error at - line 1, near ""ab}"ax"
138Unrecognized character \\x8A; marked by <-- HERE after ab}"ax;&\0z<-- HERE near column 12 at - line 1.
139gibberish
140 { stderr => 1 },
141 'gibberish containing &\0z - used to crash [perl #123753]'
142 );
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143 fresh_perl_is(
144 qq'"ab}"ax;&{+z}\x8Ao}\x82x;', <<gibberish,
145Bareword found where operator expected at - line 1, near ""ab}"ax"
146 (Missing operator before ax?)
147syntax error at - line 1, near ""ab}"ax"
148Unrecognized character \\x8A; marked by <-- HERE after }"ax;&{+z}<-- HERE near column 14 at - line 1.
149gibberish
150 { stderr => 1 },
151 'gibberish containing &{+z} - used to crash [perl #123753]'
152 );
3c47da3c 153}
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154
155fresh_perl_is(
156 '/$a[/<<a',
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157 "Missing right curly or square bracket at - line 1, within pattern\n" .
158 "syntax error at - line 1, at EOF\n" .
159 "Execution of - aborted due to compilation errors.\n",
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160 { stderr => 1 },
161 '/$a[/<<a with no newline [perl #123712]'
162);
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163fresh_perl_is(
164 '/$a[m||/<<a',
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165 "Missing right curly or square bracket at - line 1, within pattern\n" .
166 "syntax error at - line 1, at EOF\n" .
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167 "Execution of - aborted due to compilation errors.\n",
168 { stderr => 1 },
169 '/$a[m||/<<a with no newline [perl #123712]'
170);
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171
172fresh_perl_is(
173 '"@{"',
174 "Missing right curly or square bracket at - line 1, within string\n" .
175 "syntax error at - line 1, at EOF\n" .
176 "Execution of - aborted due to compilation errors.\n",
177 { stderr => 1 },
178 '"@{" [perl #123712]'
179);
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180
181fresh_perl_is(
182 '/$0{}/',
183 'syntax error at - line 1, near "{}"' . "\n" .
184 "Execution of - aborted due to compilation errors.\n",
185 { stderr => 1 },
186 '/$0{}/ with no newline [perl #123712]'
187);