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[perl #122829] Flip-flop under recursion
[perl5.git] / t / op / lex.t
CommitLineData
bc795616 1#!perl
f3365a56 2use strict;
bc795616 3use warnings;
f3365a56 4
a817e89d 5BEGIN { chdir 't' if -d 't'; require './test.pl'; }
f3365a56 6
4aaee9b8 7plan(tests => 8);
f3365a56
NC
8
9{
10 no warnings 'deprecated';
11 print <<; # Yow!
12ok 1
13
14 # previous line intentionally left blank.
15
16 my $yow = "ok 2";
17 print <<; # Yow!
18$yow
19
20 # previous line intentionally left blank.
21}
22
23curr_test(3);
bc795616
JV
24
25
26{
27 my %foo = (aap => "monkey");
28 my $foo = '';
29 is("@{[$foo{'aap'}]}", 'monkey', 'interpolation of hash lookup with space between lexical variable and subscript');
30 is("@{[$foo {'aap'}]}", 'monkey', 'interpolation of hash lookup with space between lexical variable and subscript - test for [perl #70091]');
31
32# Original bug report [perl #70091]
33# #!perl
34# use warnings;
35# my %foo;
36# my $foo = '';
37# (my $tmp = $foo) =~ s/^/$foo {$0}/e;
38# __END__
39#
40# This program causes a segfault with 5.10.0 and 5.10.1.
41#
42# The space between '$foo' and '{' is essential, which is why piping
43# it through perl -MO=Deparse "fixes" it.
44#
45
46}
47
58b85e8b
FC
48{
49 delete local $ENV{PERL_UNICODE};
50 fresh_perl_is(
67a057d6
FC
51 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"} } "\N{a}"',
52 'Constant(\N{a}) unknown at - line 1, within string' . "\n"
53 ."Execution of - aborted due to compilation errors.\n",
54 { stderr => 1 },
55 'correct output (and no crash) when charnames cannot load for \N{...}'
58b85e8b
FC
56 );
57}
67a057d6
FC
58fresh_perl_is(
59 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
60 $^H{charnames} = "foo" } "\N{a}"',
61 "Undefined subroutine &main::foo called at - line 2.\n"
62 ."Propagated at - line 2, within string\n"
63 ."Execution of - aborted due to compilation errors.\n",
64 { stderr => 1 },
65 'no crash when charnames cannot load and %^H holds string'
66);
67fresh_perl_is(
6d70c686
FC
68 'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
69 $^H{charnames} = \"foo" } "\N{a}"',
d2192f4f
FC
70 "Not a CODE reference at - line 2.\n"
71 ."Propagated at - line 2, within string\n"
67a057d6
FC
72 ."Execution of - aborted due to compilation errors.\n",
73 { stderr => 1 },
74 'no crash when charnames cannot load and %^H holds string reference'
75);
4aaee9b8
FC
76
77# not fresh_perl_is, as it seems to hide the error
78is runperl(
79 nolib => 1, # -Ilib may also hide the error
80 progs => [
81 '*{',
82 ' XS::APItest::gv_fetchmeth_type()',
83 '}'
84 ],
85 stderr => 1,
86 ),
87 "Undefined subroutine &XS::APItest::gv_fetchmeth_type called at -e line "
88 ."2.\n",
89 'no buffer corruption with multiline *{...expr...}'
90;