perl-compiler/t/e_perlcc.t

# -*- cperl -*-
# t/e_perlcc.t - after c, before i(ssue*.t) and m(modules.t)
# test most perlcc options

use strict;
use Config;
my @plan;
use File::Spec;
BEGIN {
    @plan = (tests => 90);
    push @INC, 't';
    require TestBC;

    if ($ENV{PERL_CORE}) {
        if (-f File::Spec->catfile($Config{'sitearch'}, "Opcodes.pm")) {
            @plan = (skip_all => '<sitearch>/Opcodes.pm installed. Possible XS conflict');
        }
        if (-f File::Spec->catfile($Config{'sitearch'}, "B", "Flags.pm")) {
            @plan = (skip_all => '<sitearch>/B/Flags.pm installed. Possible XS conflict');
        }
        if ($Config{ccflags} =~ /-flto/ and is_CI()) {
            @plan = (skip_all => '-flto times out on CI');
        }
        if ($^O eq 'MSWin32') { # find perl5*.dll
            $ENV{PATH} .= ';..\..';
        }
        #if ($^O eq 'MSWin32' and $ENV{APPVEYOR}) {
        #    # can be used with -Od though
        #    @plan = (skip_all => 'Overlong tests, timeout on Appveyor CI');
        #}
        #if ($^O eq 'MSWin32' and $Config{cc} eq 'cl') {
        #    # >= 3 c compiler warnings
        #    @plan = (skip_all => 'Tests not yet ready for MSWin32 MSVC');
        #}
    }
    if ($^O eq 'VMS') {
        @plan = (skip_all => "B::C doesn't work on VMS");
    }
    if (($Config{'extensions'} !~ /\bB\b/) ) {
        @plan = (skip_all => "Perl configured without B module");
    }
    # with 5.10 and 5.8.9 PERL_COPY_ON_WRITE was renamed to PERL_OLD_COPY_ON_WRITE
    if ($Config{ccflags} =~ /-DPERL_OLD_COPY_ON_WRITE/) {
        @plan = (skip_all => "no OLD_COPY_ON_WRITE");
    }
    if ($Config{ccflags} =~ /-flto/) {
        $ENV{SKIP_SLOW_TESTS} = 1;
    }
}

use Test::More @plan;

my $usedl = $Config{usedl} eq 'define';
my $X = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
# TODO: no global output 'a' and 'a.c' to enable parallel testing (test speedup)
my $exe = $^O =~ /MSWin32|cygwin|msys/ ? 'pcc.exe' : './pcc';
my $a_exe = $^O =~ /MSWin32|cygwin|msys/ ? 'a.exe' : './a.out';
my $a   = $^O eq 'MSWin32' ? 'pcc.exe' : './pcc';
my $redir = $^O eq 'MSWin32' ? '' : '2>&1';
my $devnull = $^O eq 'MSWin32' ? '' : '2>/dev/null';
# VC takes a couple hours to compile each executable in -O1
my $Wcflags = $^O eq 'MSWin32' && $Config{cc} =~ /cl/ ? ' --Wc=-Od' : '';
if ($^O eq 'MSWin32' && $Config{cc} =~ /gcc/) { # mingw is not much better
  $Wcflags = ' --Wc=-O0';
}
my $ITHREADS = $Config{useithreads};
#my $o = '';
#$o = "-Wb=-fno-warnings" if $] >= 5.013005;
#$o = "-Wb=-fno-fold,-fno-warnings" if $] >= 5.013009;
my $perlcc = "$X ".Mblib." ".perlcc.$Wcflags;
sub cleanup { unlink ('pcc.c','pcc.c.lst','a.out.c', "a.c", $exe, $a, "a.out.c.lst", "a.c.lst"); }
my $e = q("print q(ok)");

is(`$perlcc -S -o pcc -r -e $e $devnull`, "ok", "-S -o pcc -r -e");
ok(-e 'pcc.c', "-S => pcc.c file");
ok(-e $a, "keep pcc executable"); #3
cleanup;

is(`$perlcc -o pcc -r -e $e $devnull`, "ok", "-o pcc r -e");
ok(! -e 'pcc.c', "no pcc.c file");
ok(-e $a, "keep pcc executable"); # 6
cleanup;

my @c = <*.c>;
is(`$perlcc -r -e $e $devnull`, "ok", "-r -e"); #7
my @c1 = <*.c>;
if ($ENV{HARNESS_ACTIVE}) {
  ok(1, "skip temp cfile test on parallel tests"); #8
} else {
  is(length @c, length @c1, "no temp cfile");
}
ok(-e $a_exe, "keep default executable"); #9
cleanup;

system(qq($perlcc -o pcc -e $e $devnull));
ok(-e $a, '-o pcc -e');
is(`$a`, "ok", "$a => ok"); #11
cleanup;

# Try a simple XS module which exists in 5.6.2 and blead (test 45)
$e = q("use Data::Dumper ();Data::Dumper::Dumpxs({});print q(ok)");
SKIP: {
  skip "slow tests", 9 if $ENV{SKIP_SLOW_TESTS};
  is(`$perlcc -r -e $e  $devnull`, "ok", "-r xs ".($usedl ? "dynamic" : "static")); #12
  cleanup;

 TODO: {
    # fails 5.8 and before sometimes on darwin, msvc also.
    local $TODO = '--staticxs is experimental on darwin and <5.10' if $] < 5.010
      or $^O eq 'darwin';
    is(`$perlcc --staticxs -r -e $e $devnull`, "ok", "-r --staticxs xs"); #13
    ok(-e $a_exe, "keep default executable"); #14
  }
  ok(! -e 'a.out.c',     "delete a.out.c file without -S");
  ok(! -e 'a.out.c.lst', "delete a.out.c.lst without -S");
  cleanup;

 TODO: {
    local $TODO = '--staticxs -S is experimental on darwin/win and <5.10'
      if $] < 5.010 or $^O eq 'darwin' or (is_CI() and $^O eq 'MSWin32');
    is(`$perlcc --staticxs -S -o pcc -r -e $e  $devnull`, "ok",
       "-S -o -r --staticxs xs"); #17
    ok(-e $a, "keep executable"); #18
  }
  ok(-e 'pcc.c',     "keep pcc.c file with -S");
  ok(-e 'pcc.c.lst', "keep pcc.c.lst with -S");
  cleanup;
}

is(`$perlcc --staticxs -S -o pcc -O3 -r -e "print q(ok)"  $devnull`, "ok", #21
   "-S -o -r --staticxs without xs");
ok(! -e 'pcc.c.lst', "no pcc.c.lst without xs"); #22
cleanup;

my $f = "pcc.pl";
open F,">",$f;
print F q(print q(ok));
close F;
$e = q("print q(ok)");

is(`$perlcc -S -o pcc -r $f $devnull`, "ok", "-S -o -r file");
ok(-e 'pcc.c', "-S => pcc.c file");
cleanup;

is(`$perlcc -o pcc -r $f $devnull`, "ok", "-r -o file");
ok(! -e 'pcc.c', "no pcc.c file");
ok(-e $a, "keep executable");
cleanup;


is(`$perlcc -o pcc $f $devnull`, "", "-o file");
ok(! -e 'pcc.c', "no pcc.c file");
ok(-e $a, "executable");
is(`$a`, "ok", "./pcc => ok");
cleanup;

is(`$perlcc -S -o pcc $f $devnull`, "", "-S -o file");
ok(-e $a, "executable");
is(`$a`, "ok", "./pcc => ok");
cleanup;

is(`$perlcc -Sc -o pcc $f $devnull`, "", "-Sc -o file");
ok(-e 'pcc.c', "pcc.c file");
ok(! -e $a, "-Sc no executable, compile only");
cleanup;

is(`$perlcc -c -o pcc $f $devnull`, "", "-c -o file");
ok(-e 'pcc.c', "pcc.c file");
ok(! -e $a, "-c no executable, compile only"); #40
cleanup;

#SKIP: {
TODO: {
  #skip "--stash hangs < 5.12", 3 if $] < 5.012; #because of DB?
  #skip "--stash hangs >= 5.14", 3 if $] >= 5.014; #because of DB?
  local $TODO = "B::Stash imports too many";
  is(`$perlcc -stash -r -o pcc $f $devnull`, "ok", "old-style -stash -o file"); #41
  is(`$perlcc --stash -r -opcc $f $devnull`, "ok", "--stash -o file");
  ok(-e $a, "executable");
  cleanup;
}#}

is(`$perlcc -t -O3 -o pcc $f $devnull`, "", "-t -o file"); #44
TODO: {
  local $TODO = '-t unsupported with 5.6' if $] < 5.007;
  ok(-e $a, "executable"); #45
  is(`$a`, "ok", "./pcc => ok"); #46
}
cleanup;

is(`$perlcc -T -O3 -o pcc $f $devnull`, "", "-T -o file");
ok(-e $a, "executable");
is(`$a`, "ok", "./pcc => ok");
cleanup;

# compiler verboseness
isnt(`$perlcc --Wb=-fno-fold,-v -o pcc $f $redir`, '/Writing output/m',
     "--Wb=-fno-fold,-v -o file");
TODO: {
 SKIP: {
  require B::C::Config if $] > 5.021006;
  local $TODO = "catch STDERR not STDOUT" if $^O =~ /bsd$/i; # fails freebsd only
  local $TODO = "5.6 BC does not understand -DG yet" if $] < 5.007;
  skip "perl5.22 broke ByteLoader", 1
    if $] > 5.021006 and !$B::C::Config::have_byteloader;
  like(`$perlcc -B --Wb=-DG,-v -o pcc $f $redir`, "/-PV-/m",
       "-B -v5 --Wb=-DG -o file"); #51
  }
}
cleanup;
is(`$perlcc -Wb=-O1 -r $f $devnull`, "ok", "old-style -Wb=-O1");

# perlcc verboseness
isnt(`$perlcc -v 1 -o pcc $f $devnull`, "", "-v 1 -o file");
isnt(`$perlcc -v1 -o pcc $f $devnull`, "", "-v1 -o file");
isnt(`$perlcc -v2 -o pcc $f $devnull`, "", "-v2 -o file");
isnt(`$perlcc -v3 -o pcc $f $devnull`, "", "-v3 -o file");
isnt(`$perlcc -v4 -o pcc $f $devnull`, "", "-v4 -o file");
TODO: {
  local $TODO = "catch STDERR not STDOUT" if $^O =~ /(bsd|MSWin32)$/i; # fails freebsd only
  like(`$perlcc -v5 $f $redir`, '/Writing output/m',
       "-v5 turns on -Wb=-v"); #58
  like(`$perlcc -v5 -B $f $redir`, '/-PV-/m',
       "-B -v5 turns on -Wb=-v"); #59
  like(`$perlcc -v6 $f $redir`, '/saving( stash and)? magic for AV/m',
       "-v6 turns on -Dfull"); #60
  like(`$perlcc -v6 -B $f $redir`, '/nextstate/m',
       "-B -v6 turns on -DM,-DG,-DA"); #61
}
cleanup;

# switch bundling since 2.10
is(`$perlcc -r -e$e $devnull`, "ok", "-e$e");
cleanup;
like(`$perlcc -v1 -r -e$e $devnull`, '/ok$/m', "-v1");
cleanup;
is(`$perlcc -opcc -r -e$e $devnull`, "ok", "-opcc");
cleanup;

is(`$perlcc -OSr -opcc $f $devnull`, "ok", "-OSr -o file");
ok(-e 'pcc.c', "-S => pcc.c file");
cleanup;

is(`$perlcc -Or -opcc $f $devnull`, "ok", "-Or -o file");
ok(! -e 'pcc.c', "no pcc.c file");
ok(-e $a, "keep executable"); #69
cleanup;

# -BS: ignore -S
SKIP: {
  skip "$^O redirection", 2 if $^O eq 'MSWin32';
  like(`$perlcc -BSr -opcc.plc -e $e $redir`, '/-S ignored/', "-BSr -o -e"); #70
  ok(-e 'pcc.plc', "pcc.plc file");
  cleanup;
}

SKIP: {
  skip "perl5.22 broke ByteLoader", 1
    if $] > 5.021006 and !$B::C::Config::have_byteloader;
  is(`$perlcc -Br -opcc.plc $f $devnull`, "ok", "-Br -o file");
}
ok(-e 'pcc.plc', "pcc.plc file");
cleanup;

is(`$perlcc -B -opcc.plc -e$e $devnull`, "", "-B -o -e");
ok(-e 'pcc.plc', "pcc.plc");

if ($] < 5.007) {
 TODO: {
    local $TODO = 'yet unsupported';
    is(`$X -MByteLoader pcc.plc`, "ok", "executable 5.6 plc"); #76
  }
}
elsif ($] > 5.021) {
 TODO: {
    local $TODO = 'yet unsupported';
    is(`$X -Iblib/arch -Iblib/lib -MByteLoader pcc.plc`, "ok", "executable 5.22 plc"); #76
  }
} else {
  is(`$X -Iblib/arch -Iblib/lib pcc.plc`, "ok", "executable plc"); #76
}
cleanup;

TODO: {
  local $TODO = "unreliable --check test";
  like(`$perlcc -o pcc --check -e"BEGIN{open(F,q(<xx))}"`, #77
     qr/^Warning: Read BEGIN-block main::F from FileHandle/, "--check");
}
ok(!-e "pcc.c", "no C file"); #78
ok(!-e $a, "no executable"); #79
cleanup;

is(`$perlcc -It -O3 -o pcc $f $devnull`, "", "single -I");
ok(-e $a, "=> executable");
cleanup;

is(`$perlcc -It -Iscript -O3 -o pcc $f $devnull`, "", "mult -I");
ok(-e $a, "=> executable");
cleanup;

is(`$perlcc -Lt -O3 -o pcc $f $devnull`, "", "single -L");
ok(-e $a, "=> executable");
cleanup;

is(`$perlcc -Lt -Lscript -O3 -o pcc $f $devnull`, "", "mult -L");
ok(-e $a, "=> executable");
cleanup;

#TODO: -m

open F,">",$f;
print F q(use DoesNotExist;\n);
close F;
eval {
  isnt(system("$perlcc -o pcc $f $devnull"), 0, "die with missing module"); #445
};
ok(!-e 'pcc.c', "no pcc.c file");
ok(!-e $a, "no executable");
cleanup;

unlink ($f);