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77 lines
2.1 KiB
Perl
77 lines
2.1 KiB
Perl
#!./perl
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# Tests for caller()
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BEGIN {
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chdir 't' if -d 't';
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require './test.pl';
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set_up_inc('../lib');
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}
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use utf8;
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use open qw( :utf8 :std );
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plan( tests => 18 );
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package ｍａｉｎ;
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{
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local $@;
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eval 'ok(1);';
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::like $@, qr/Undefined subroutine &ｍａｉｎ::ok called at/u;
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}
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my @c;
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sub { @c = caller(0) } -> ();
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::is( $c[3], "ｍａｉｎ::__ANON__", "anonymous subroutine name" );
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::ok( $c[4], "hasargs true with anon sub" );
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# Bug 20020517.003 (#9367), used to dump core
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sub ｆｏｏ { @c = caller(0) }
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# The subroutine only gets anonymised if it is relying on a real GV
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# for its name.
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() = *{"ｆｏｏ"}; # with quotes so that the op tree doesn’t reference the GV
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my $fooref = delete $ｍａｉｎ::{ｆｏｏ};
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$fooref -> ();
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::is( $c[3], "ｍａｉｎ::__ANON__", "deleted subroutine name" );
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::ok( $c[4], "hasargs true with deleted sub" );
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print "# Tests with caller(1)\n";
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sub ｆ { @c = caller(1) }
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sub ｃａｌｌｆ { ｆ(); }
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ｃａｌｌｆ();
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::is( $c[3], "ｍａｉｎ::ｃａｌｌｆ", "subroutine name" );
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::ok( $c[4], "hasargs true with ｃａｌｌｆ()" );
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&ｃａｌｌｆ;
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::ok( !$c[4], "hasargs false with &ｃａｌｌｆ" );
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eval { ｆ() };
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::is( $c[3], "(eval)", "subroutine name in an eval {}" );
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::ok( !$c[4], "hasargs false in an eval {}" );
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eval q{ ｆ() };
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::is( $c[3], "(eval)", "subroutine name in an eval ''" );
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::ok( !$c[4], "hasargs false in an eval ''" );
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sub { ｆ() } -> ();
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::is( $c[3], "ｍａｉｎ::__ANON__", "anonymous subroutine name" );
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::ok( $c[4], "hasargs true with anon sub" );
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sub ｆｏｏ2 { ｆ() }
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() = *{"ｆｏｏ2"}; # see ｆｏｏ notes above
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my $fooref2 = delete $ｍａｉｎ::{ｆｏｏ2};
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$fooref2 -> ();
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::is( $c[3], "ｍａｉｎ::__ANON__", "deleted subroutine name" );
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::ok( $c[4], "hasargs true with deleted sub" );
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sub ｐｂ { return (caller(0))[3] }
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::is( eval 'ｐｂ()', 'ｍａｉｎ::ｐｂ', "actually return the right function name" );
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my $saved_perldb = $^P;
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$^P = 16;
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$^P = $saved_perldb;
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::is( eval 'ｐｂ()', 'ｍａｉｎ::ｐｂ', 'actually return the right function name even if $^P had been on at some point' );
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