use strict;
use warnings;

use Test::More tests => 52;

BEGIN { use_ok('XS::APItest') };

$| = 1;

  is (DPeek ($/),    'PVMG("\n"\0)',		'$/');
  is (DPeek ($\),    'PVMG()',			'$\\');
  is (DPeek ($.),    'PVMG()',			'$.');
  is (DPeek ($,),    'UNDEF',			'$,');
  is (DPeek ($;),    'PV("\34"\0)',		'$;');
  is (DPeek ($"),    'PV(" "\0)',		'$"');
  is (DPeek ($:),    'PVMG(" \n-"\0)',		'$:');
  is (DPeek ($~),    'PVMG()',			'$~');
  is (DPeek ($^),    'PVMG()',			'$^');
  is (DPeek ($=),    'PVMG()',			'$=');
  is (DPeek ($-),    'PVMG()',			'$-');

  # This tests expects that $! will have been used as a string recently.
  my $foo = "$!";
like (DPeek ($!), qr'^PVMG\("',			'$!');

{
  local $?; # Reset anything Test::* has done to it.
  is (DPeek ($?),    'PVMG()',			'$?');
}
  is (DPeek ($|),    'PVMG(1)',			'$|');

  "abc" =~ m/b/;	# Don't know why these magic vars have this content
  () = $1 || '';
  is (DPeek ($1),    'PVMG()',			' $1');
  is (DPeek ($`),    'PVMG()',			' $`');
  is (DPeek ($&),    'PVMG()',			' $&');
  is (DPeek ($'),    'PVMG()',			" \$'");

  is (DPeek (undef), 'SV_UNDEF',		'undef');
  is (DPeek (1),     'IV(1)',			'constant 1');
  is (DPeek (""),    'PV(""\0)',		'constant ""');
  is (DPeek (1.),    'NV(1)',			'constant 1.');
  is (DPeek (\1),    '\IV(1)',			'constant \1');
  is (DPeek (\\1),   '\\\IV(1)',		'constant \\\1');

  is (DPeek (\@ARGV),	'\AV()',		'\@ARGV');
  is (DPeek (\@INC),	'\AV()',		'\@INC');
  is (DPeek (\%INC),	'\HV()',		'\%INC');
  is (DPeek (*STDOUT),	'GV()',			'*STDOUT');
  is (DPeek (sub {}),	'\CV(__ANON__)',	'sub {}');

{ our ($VAR, @VAR, %VAR);
if ($^O eq 'vos') {
  # VOS uses .pm as a required executable suffix
  open VAR, "<", "$^X.pm" or die "Can't open $^X.pm: $!";
} else {
  open VAR, "<", $^X or die "Can't open $^X: $!";
}
  sub VAR {}
  format VAR =
.

  is (DPeek ( $VAR),	'UNDEF',		' $VAR undef');
  is (DPeek (\$VAR),	'\UNDEF',		'\$VAR undef');
  $VAR = 1;
  is (DPeek ($VAR),	'IV(1)',		' $VAR 1');
  is (DPeek (\$VAR),	'\IV(1)',		'\$VAR 1');
  $VAR = "";
  is (DPeek ($VAR),	'PVIV(""\0)',		' $VAR ""');
  is (DPeek (\$VAR),	'\PVIV(""\0)',		'\$VAR ""');
  $VAR = "\xdf";    # \xdf works for both ASCII and EBCDIC
  is (DPeek ($VAR),	'PVIV("\337"\0)',	' $VAR "\xdf"');
  is (DPeek (\$VAR),	'\PVIV("\337"\0)',	'\$VAR "\xdf"');
  SKIP: {
    skip("ASCII-centric tests", 1) if ord "A" == 193;
    $VAR = "a\x0a\x{20ac}";
    is (DPeek ($VAR), 'PVIV("a\n\342\202\254"\0) [UTF8 "a\n\x{20ac}"]',
					' $VAR "a\x0a\x{20ac}"');
  }
  $VAR = sub { "VAR" };
  is (DPeek ($VAR),	'\CV(__ANON__)',	' $VAR sub { "VAR" }');
  is (DPeek (\$VAR),	'\\\CV(__ANON__)',	'\$VAR sub { "VAR" }');
  
  $VAR = eval qq{sub \x{30cd} { "VAR" } \\&\x{30cd}};
  is (DPeek ($VAR),     '\CV(\x{30cd})',        ' $VAR sub \x{30cd} { "VAR" }');
  is (DPeek (\$VAR),    '\\\\CV(\x{30cd})',      '\$VAR sub \x{30cd} { "VAR" }');

  $VAR = 0;

  is (DPeek (\&VAR),	'\CV(VAR)',		'\&VAR');
  is (DPeek ( *VAR),	'GV()',			' *VAR');

  is (DPeek (*VAR{GLOB}),	'\GV()',	' *VAR{GLOB}');
like (DPeek (*VAR{SCALAR}), qr'\\PV(IV|MG)\(0\)',' *VAR{SCALAR}');
  is (DPeek (*VAR{ARRAY}),	'\AV()',	' *VAR{ARRAY}');
  is (DPeek (*VAR{HASH}),	'\HV()',	' *VAR{HASH}');
  is (DPeek (*VAR{CODE}),	'\CV(VAR)',	' *VAR{CODE}');
  is (DPeek (*VAR{IO}),		'\IO()',	' *VAR{IO}');
  is (DPeek (*VAR{FORMAT}),$]<5.008?'SV_UNDEF':'\FM()',' *VAR{FORMAT}');
  }

1;