xref: /openbsd/gnu/usr.bin/perl/t/op/lex.t (revision a6445c1d)
1#!perl
2use strict;
3use warnings;
4
5BEGIN { chdir 't'; require './test.pl'; }
6
7plan(tests => 8);
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);
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
48{
49 delete local $ENV{PERL_UNICODE};
50 fresh_perl_is(
51  'BEGIN{ ++$_ 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{...}'
56 );
57}
58fresh_perl_is(
59  'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
60          $^H{charnames} = "foo" } "\N{a}"',
61  "Undefined subroutine &main::foo called at - line 2.\n"
62 ."Propagated at - line 2, within string\n"
63 ."Execution of - aborted due to compilation errors.\n",
64   { stderr => 1 },
65  'no crash when charnames cannot load and %^H holds string'
66);
67fresh_perl_is(
68  'BEGIN{ ++$_ for @INC{"charnames.pm","_charnames.pm"};
69          $^H{charnames} = \"foo" } "\N{a}"',
70  "Not a CODE reference at - line 2.\n"
71 ."Propagated at - line 2, within string\n"
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);
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;
91