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use Test::More;
use strict;
use lib qw(t/lib);
use NYTProfTest;
plan skip_all => "doesn't work with fork() emulation" if (($^O eq "MSWin32") || ($^O eq 'VMS'));
plan tests => 5;
my $out = 'nytprof-forkdepth.out';
is run_forkdepth( 0 ), 1;
is run_forkdepth( 1 ), 2;
is run_forkdepth( 2 ), 3;
is run_forkdepth( -1 ), 3;
is run_forkdepth( undef), 3;
exit 0;
sub run_forkdepth {
my ($forkdepth) = @_;
printf "run_forkdepth %s\n", defined($forkdepth) ? $forkdepth : "undef";
unlink $_ for glob("$out.*");
$ENV{NYTPROF} = "file=$out:addpid=1:trace=0";
$ENV{NYTPROF} .= ":forkdepth=$forkdepth" if defined $forkdepth;
my $forkdepth_cmd = q{-d:NYTProf -e "sub f { fork or return; wait; exit \$? } f; f; exit 0"};
run_perl_command($forkdepth_cmd);
my @files = glob("$out.*");
unlink $_ for @files;
return scalar @files;
}
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