[p5sagit/p5-mst-13.2.git] / ext / B / t / concise.t

#!./perl

BEGIN {
    if ($ENV{PERL_CORE}){
	chdir('t') if -d 't';
	@INC = ('.', '../lib');
    } else {
	unshift @INC, 't';
	push @INC, "../../t";
    }
    require Config;
    if (($Config::Config{'extensions'} !~ /\bB\b/) ){
        print "1..0 # Skip -- Perl configured without B module\n";
        exit 0;
    }
    require 'test.pl';		# we use runperl from 'test.pl', so can't use Test::More
    sub diag { print "# @_\n" } # but this is still handy

}

plan tests => 147;

require_ok("B::Concise");

$out = runperl(switches => ["-MO=Concise"], prog => '$a', stderr => 1);

# If either of the next two tests fail, it probably means you need to
# fix the section labeled 'fragile kludge' in Concise.pm

($op_base) = ($out =~ /^(\d+)\s*<0>\s*enter/m);

is($op_base, 1, "Smallest OP sequence number");

($op_base_p1, $cop_base)
  = ($out =~ /^(\d+)\s*<;>\s*nextstate\(main (-?\d+) /m);

is($op_base_p1, 2, "Second-smallest OP sequence number");

is($cop_base, 1, "Smallest COP sequence number");

# test that with -exec B::Concise navigates past logops (bug #18175)

$out = runperl(
    switches => ["-MO=Concise,-exec"],
    prog => q{$a=$b && print q/foo/},
    stderr => 1,
);
#diag($out);
like($out, qr/print/, "'-exec' option output has print opcode");

######## API tests v.60 

use Config;	# used for perlio check
B::Concise->import(qw( set_style set_style_standard add_callback 
		       add_style walk_output reset_sequence ));

## walk_output argument checking

# test that walk_output rejects non-HANDLE args
foreach my $foo ("string", [], {}) {
    eval {  walk_output($foo) };
    isnt ($@, '', "walk_output() rejects arg '$foo'");
    $@=''; # clear the fail for next test
}
# test accessor mode when arg undefd or 0
foreach my $foo (undef, 0) {
    my $handle = walk_output($foo);
    is ($handle, \*STDOUT, "walk_output set to STDOUT (default)");
}

{   # any object that can print should be ok for walk_output
    package Hugo;
    sub new { my $foo = bless {} };
    sub print { CORE::print @_ }
}
my $foo = new Hugo;	# suggested this API fix
eval {  walk_output($foo) };
is ($@, '', "walk_output() accepts obj that can print");

# test that walk_output accepts a HANDLE arg
SKIP: {
    skip("no perlio in this build", 4)
        unless $Config::Config{useperlio};

    foreach my $foo (\*STDOUT, \*STDERR) {
	eval {  walk_output($foo) };
	is ($@, '', "walk_output() accepts STD* " . ref $foo);
    }

    # now test a ref to scalar
    eval {  walk_output(\my $junk) };
    is ($@, '', "walk_output() accepts ref-to-sprintf target");

    $junk = "non-empty";
    eval {  walk_output(\$junk) };
    is ($@, '', "walk_output() accepts ref-to-non-empty-scalar");
}

## add_style
my @stylespec;
$@='';
eval { add_style ('junk_B' => @stylespec) };
like ($@, 'expecting 3 style-format args',
    "add_style rejects insufficient args");

@stylespec = (0,0,0); # right length, invalid values
$@='';
eval { add_style ('junk' => @stylespec) };
is ($@, '', "add_style accepts: stylename => 3-arg-array");

$@='';
eval { add_style (junk => @stylespec) };
like ($@, qr/style 'junk' already exists, choose a new name/,
    "add_style correctly disallows re-adding same style-name" );

# test new arg-checks on set_style
$@='';
eval { set_style (@stylespec) };
is ($@, '', "set_style accepts 3 style-format args");

@stylespec = (); # bad style

eval { set_style (@stylespec) };
like ($@, qr/expecting 3 style-format args/,
      "set_style rejects bad style-format args");

#### for content with doc'd options

our($a, $b);
my $func = sub{ $a = $b+42 };	# canonical example asub

sub render {
    walk_output(\my $out);
    eval { B::Concise::compile(@_)->() };
    # diag "rendering $@\n";
    return ($out, $@) if wantarray;
    return $out;
}

SKIP: {
    # tests output to GLOB, using perlio feature directly
    skip "no perlio on this build", 122
	unless $Config::Config{useperlio};
    
    set_style_standard('concise');  # MUST CALL before output needed
    
    @options = qw(
		  -basic -exec -tree -compact -loose -vt -ascii
		  -base10 -bigendian -littleendian
		  );
    foreach $opt (@options) {
	($out) = render($opt, $func);
	isnt($out, '', "got output with option $opt");
    }
    
    ## test output control via walk_output
    
    my $treegen = B::Concise::compile('-basic', $func); # reused
    
    { # test output into a package global string (sprintf-ish)
	our $thing;
	walk_output(\$thing);
	$treegen->();
	ok($thing, "walk_output to our SCALAR, output seen");
    }
    
    # test walkoutput acceptance of a scalar-bound IO handle
    open (my $fh, '>', \my $buf);
    walk_output($fh);
    $treegen->();
    ok($buf, "walk_output to GLOB, output seen");
    
    ## test B::Concise::compile error checking
    
    # call compile on non-CODE ref items
    if (0) {
	# pending STASH splaying
	
	foreach my $ref ([], {}) {
	    my $typ = ref $ref;
	    walk_output(\my $out);
	    eval { B::Concise::compile('-basic', $ref)->() };
	    like ($@, qr/^err: not a coderef: $typ/,
		  "compile detects $typ-ref where expecting subref");
	    is($out,'', "no output when errd"); # announcement prints
	}
    }
    
    # test against a bogus autovivified subref.
    # in debugger, it should look like:
    #  1  CODE(0x84840cc)
    #      -> &CODE(0x84840cc) in ???

    my ($res,$err);
    TODO: {
	local $TODO = "\tdoes this handling make sense ?";

	sub declared_only;
	($res,$err) = render('-basic', \&declared_only);
	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	      "'sub decl_only' seen as having no START");

	sub defd_empty {};
	($res,$err) = render('-basic', \&defd_empty);
	is(scalar split(/\n/, $res), 3,
	   "'sub defd_empty {}' seen as 3 liner");

	is(1, $res =~ /leavesub/ && $res =~ /nextstate/,
	   "'sub defd_empty {}' seen as 2 ops: leavesub,nextstate");

	($res,$err) = render('-basic', \&not_even_declared);
	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	      "'\&not_even_declared' seen as having no START");

	{
	    package Bar;
	    our $AUTOLOAD = 'garbage';
	    sub AUTOLOAD { print "# in AUTOLOAD: $AUTOLOAD\n" }
	}
	($res,$err) = render('-basic', Bar::auto_func);
	like ($res, qr/unknown function \(Bar::auto_func\)/,
	      "Bar::auto_func seen as unknown function");

	($res,$err) = render('-basic', \&Bar::auto_func);
	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	      "'\&Bar::auto_func' seen as having no START");

	($res,$err) = render('-basic', \&Bar::AUTOLOAD);
	like ($res, qr/called Bar::AUTOLOAD/, "found body of Bar::AUTOLOAD");

    }
    ($res,$err) = render('-basic', Foo::bar);
    like ($res, qr/unknown function \(Foo::bar\)/,
	  "BC::compile detects fn-name as unknown function");

    # v.62 tests

    pass ("TEST POST-COMPILE OPTION-HANDLING IN WALKER SUBROUTINE");
    
    my $sample;

    my $walker = B::Concise::compile('-basic', $func);
    walk_output(\$sample);
    $walker->('-exec');
    like($sample, qr/goto/m, "post-compile -exec");

    walk_output(\$sample);
    $walker->('-basic');
    unlike($sample, qr/goto/m, "post-compile -basic");


    # bang at it combinatorically
    my %combos;
    my @modes = qw( -basic -exec );
    my @styles = qw( -concise -debug -linenoise -terse );

    # prep samples
    for $style (@styles) {
	for $mode (@modes) {
	    walk_output(\$sample);
	    reset_sequence();
	    $walker->($style, $mode);
	    $combos{"$style$mode"} = $sample;
	}
    }
    # crosscheck that samples are all text-different
    @list = sort keys %combos;
    for $i (0..$#list) {
	for $j ($i+1..$#list) {
	    isnt ($combos{$list[$i]}, $combos{$list[$j]},
		  "combos for $list[$i] and $list[$j] are different, as expected");
	}
    }
    
    # add samples with styles in different order
    for $mode (@modes) {
	for $style (@styles) {
	    reset_sequence();
	    walk_output(\$sample);
	    $walker->($mode, $style);
	    $combos{"$mode$style"} = $sample;
	}
    }
    # test commutativity of flags, ie that AB == BA
    for $mode (@modes) {
	for $style (@styles) {
	    is ( $combos{"$style$mode"},
		 $combos{"$mode$style"},
		 "results for $style$mode vs $mode$style are the same" );
	}
    }

    my %save = %combos;
    %combos = ();	# outputs for $mode=any($order) and any($style)

    # add more samples with switching modes & sticky styles
    for $style (@styles) {
	walk_output(\$sample);
	reset_sequence();
	$walker->($style);
	for $mode (@modes) {
	    walk_output(\$sample);
	    reset_sequence();
	    $walker->($mode);
	    $combos{"$style/$mode"} = $sample;
	}
    }
    # crosscheck that samples are all text-different
    @nm = sort keys %combos;
    for $i (0..$#nm) {
	for $j ($i+1..$#nm) {
	    isnt ($combos{$nm[$i]}, $combos{$nm[$j]},
		  "results for $nm[$i] and $nm[$j] are different, as expected");
	}
    }
    
    # add samples with switching styles & sticky modes
    for $mode (@modes) {
	walk_output(\$sample);
	reset_sequence();
	$walker->($mode);
	for $style (@styles) {
	    walk_output(\$sample);
	    reset_sequence();
	    $walker->($style);
	    $combos{"$mode/$style"} = $sample;
	}
    }
    # test commutativity of flags, ie that AB == BA
    for $mode (@modes) {
	for $style (@styles) {
	    is ( $combos{"$style/$mode"},
		 $combos{"$mode/$style"},
		 "results for $style/$mode vs $mode/$style are the same" );
	}
    }


    #now do double crosschecks: commutativity across stick / nostick
    %combos = (%combos, %save);

    # test commutativity of flags, ie that AB == BA
    for $mode (@modes) {
	for $style (@styles) {

	    is ( $combos{"$style$mode"},
		 $combos{"$style/$mode"},
		 "$style$mode VS $style/$mode are the same" );

	    is ( $combos{"$mode$style"},
		 $combos{"$mode/$style"},
		 "$mode$style VS $mode/$style are the same" );

	    is ( $combos{"$style$mode"},
		 $combos{"$mode/$style"},
		 "$style$mode VS $mode/$style are the same" );

	    is ( $combos{"$mode$style"},
		 $combos{"$style/$mode"},
		 "$mode$style VS $style/$mode are the same" );
	}
    }
}

__END__
Commit	Line	Data
c517cc47	1	#!./perl
	2
	3	BEGIN {
5638aaac	4	if ($ENV{PERL_CORE}){
	5	chdir('t') if -d 't';
	6	@INC = ('.', '../lib');
	7	} else {
	8	unshift @INC, 't';
	9	push @INC, "../../t";
	10	}
9cd8f857	11	require Config;
	12	if (($Config::Config{'extensions'} !~ /\bB\b/) ){
	13	print "1..0 # Skip -- Perl configured without B module\n";
	14	exit 0;
	15	}
c0939cee	16	require 'test.pl'; # we use runperl from 'test.pl', so can't use Test::More
	17	sub diag { print "# @_\n" } # but this is still handy
	18
c517cc47	19	}
c517cc47	20
c0939cee	21	plan tests => 147;
c517cc47	22
	23	require_ok("B::Concise");
	24
	25	$out = runperl(switches => ["-MO=Concise"], prog => '$a', stderr => 1);
	26
	27	# If either of the next two tests fail, it probably means you need to
	28	# fix the section labeled 'fragile kludge' in Concise.pm
	29
c33fe613	30	($op_base) = ($out =~ /^(\d+)\s<0>\senter/m);
c517cc47	31
c33fe613	32	is($op_base, 1, "Smallest OP sequence number");
c517cc47	33
c27ea44e	34	($op_base_p1, $cop_base)
c27ea44e	35	= ($out =~ /^(\d+)\s<;>\snextstate\(main (-?\d+) /m);
c517cc47	36
c33fe613	37	is($op_base_p1, 2, "Second-smallest OP sequence number");
	38
	39	is($cop_base, 1, "Smallest COP sequence number");
62e36f8a	40
	41	# test that with -exec B::Concise navigates past logops (bug #18175)
	42
	43	$out = runperl(
	44	switches => ["-MO=Concise,-exec"],
cc02ea56	45	prog => q{$a=$b && print q/foo/},
62e36f8a	46	stderr => 1,
62e36f8a	47	);
c0939cee	48	#diag($out);
724aa791	49	like($out, qr/print/, "'-exec' option output has print opcode");
	50
	51	######## API tests v.60
	52
	53	use Config; # used for perlio check
cc02ea56	54	B::Concise->import(qw( set_style set_style_standard add_callback
cc02ea56	55	add_style walk_output reset_sequence ));
724aa791	56
	57	## walk_output argument checking
	58
724aa791	59	# test that walk_output rejects non-HANDLE args
cc02ea56	60	foreach my $foo ("string", [], {}) {
724aa791	61	eval { walk_output($foo) };
	62	isnt ($@, '', "walk_output() rejects arg '$foo'");
	63	$@=''; # clear the fail for next test
	64	}
cc02ea56	65	# test accessor mode when arg undefd or 0
	66	foreach my $foo (undef, 0) {
	67	my $handle = walk_output($foo);
	68	is ($handle, \*STDOUT, "walk_output set to STDOUT (default)");
	69	}
724aa791	70
	71	{ # any object that can print should be ok for walk_output
	72	package Hugo;
	73	sub new { my $foo = bless {} };
	74	sub print { CORE::print @_ }
	75	}
	76	my $foo = new Hugo; # suggested this API fix
	77	eval { walk_output($foo) };
	78	is ($@, '', "walk_output() accepts obj that can print");
	79
2ce64696	80	# test that walk_output accepts a HANDLE arg
	81	SKIP: {
	82	skip("no perlio in this build", 4)
	83	unless $Config::Config{useperlio};
	84
	85	foreach my $foo (\STDOUT, \STDERR) {
	86	eval { walk_output($foo) };
	87	is ($@, '', "walk_output() accepts STD* " . ref $foo);
	88	}
	89
	90	# now test a ref to scalar
	91	eval { walk_output(\my $junk) };
	92	is ($@, '', "walk_output() accepts ref-to-sprintf target");
	93
	94	$junk = "non-empty";
	95	eval { walk_output(\$junk) };
	96	is ($@, '', "walk_output() accepts ref-to-non-empty-scalar");
	97	}
724aa791	98
	99	## add_style
	100	my @stylespec;
	101	$@='';
	102	eval { add_style ('junk_B' => @stylespec) };
	103	like ($@, 'expecting 3 style-format args',
	104	"add_style rejects insufficient args");
	105
	106	@stylespec = (0,0,0); # right length, invalid values
	107	$@='';
	108	eval { add_style ('junk' => @stylespec) };
	109	is ($@, '', "add_style accepts: stylename => 3-arg-array");
	110
	111	$@='';
	112	eval { add_style (junk => @stylespec) };
	113	like ($@, qr/style 'junk' already exists, choose a new name/,
	114	"add_style correctly disallows re-adding same style-name" );
	115
	116	# test new arg-checks on set_style
	117	$@='';
	118	eval { set_style (@stylespec) };
	119	is ($@, '', "set_style accepts 3 style-format args");
	120
	121	@stylespec = (); # bad style
	122
	123	eval { set_style (@stylespec) };
	124	like ($@, qr/expecting 3 style-format args/,
c0939cee	125	"set_style rejects bad style-format args");
724aa791	126
724aa791	127	#### for content with doc'd options
2ce64696	128
5638aaac	129	our($a, $b);
cc02ea56	130	my $func = sub{ $a = $b+42 }; # canonical example asub
2ce64696	131
c0939cee	132	sub render {
	133	walk_output(\my $out);
	134	eval { B::Concise::compile(@_)->() };
	135	# diag "rendering $@\n";
	136	return ($out, $@) if wantarray;
	137	return $out;
	138	}
	139
cc02ea56	140	SKIP: {
	141	# tests output to GLOB, using perlio feature directly
	142	skip "no perlio on this build", 122
	143	unless $Config::Config{useperlio};
	144
	145	set_style_standard('concise'); # MUST CALL before output needed
	146
2ce64696	147	@options = qw(
cc02ea56	148	-basic -exec -tree -compact -loose -vt -ascii
2ce64696	149	-base10 -bigendian -littleendian
	150	);
	151	foreach $opt (@options) {
c0939cee	152	($out) = render($opt, $func);
2ce64696	153	isnt($out, '', "got output with option $opt");
2ce64696	154	}
cc02ea56	155
2ce64696	156	## test output control via walk_output
cc02ea56	157
2ce64696	158	my $treegen = B::Concise::compile('-basic', $func); # reused
cc02ea56	159
2ce64696	160	{ # test output into a package global string (sprintf-ish)
	161	our $thing;
	162	walk_output(\$thing);
	163	$treegen->();
	164	ok($thing, "walk_output to our SCALAR, output seen");
	165	}
	166
cc02ea56	167	# test walkoutput acceptance of a scalar-bound IO handle
724aa791	168	open (my $fh, '>', \my $buf);
	169	walk_output($fh);
	170	$treegen->();
	171	ok($buf, "walk_output to GLOB, output seen");
cc02ea56	172
c0939cee	173	## test B::Concise::compile error checking
cc02ea56	174
2ce64696	175	# call compile on non-CODE ref items
cc02ea56	176	if (0) {
	177	# pending STASH splaying
	178
	179	foreach my $ref ([], {}) {
	180	my $typ = ref $ref;
	181	walk_output(\my $out);
	182	eval { B::Concise::compile('-basic', $ref)->() };
	183	like ($@, qr/^err: not a coderef: $typ/,
	184	"compile detects $typ-ref where expecting subref");
c0939cee	185	is($out,'', "no output when errd"); # announcement prints
cc02ea56	186	}
2ce64696	187	}
cc02ea56	188
2ce64696	189	# test against a bogus autovivified subref.
	190	# in debugger, it should look like:
	191	# 1 CODE(0x84840cc)
	192	# -> &CODE(0x84840cc) in ???
c0939cee	193
	194	my ($res,$err);
	195	TODO: {
	196	local $TODO = "\tdoes this handling make sense ?";
	197
	198	sub declared_only;
	199	($res,$err) = render('-basic', \&declared_only);
	200	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	201	"'sub decl_only' seen as having no START");
	202
	203	sub defd_empty {};
	204	($res,$err) = render('-basic', \&defd_empty);
	205	is(scalar split(/\n/, $res), 3,
	206	"'sub defd_empty {}' seen as 3 liner");
	207
	208	is(1, $res =~ /leavesub/ && $res =~ /nextstate/,
	209	"'sub defd_empty {}' seen as 2 ops: leavesub,nextstate");
	210
	211	($res,$err) = render('-basic', \&not_even_declared);
	212	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	213	"'\&not_even_declared' seen as having no START");
	214
	215	{
	216	package Bar;
	217	our $AUTOLOAD = 'garbage';
	218	sub AUTOLOAD { print "# in AUTOLOAD: $AUTOLOAD\n" }
	219	}
	220	($res,$err) = render('-basic', Bar::auto_func);
	221	like ($res, qr/unknown function \(Bar::auto_func\)/,
	222	"Bar::auto_func seen as unknown function");
	223
	224	($res,$err) = render('-basic', \&Bar::auto_func);
	225	like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
	226	"'\&Bar::auto_func' seen as having no START");
	227
	228	($res,$err) = render('-basic', \&Bar::AUTOLOAD);
	229	like ($res, qr/called Bar::AUTOLOAD/, "found body of Bar::AUTOLOAD");
	230
2ce64696	231	}
c0939cee	232	($res,$err) = render('-basic', Foo::bar);
	233	like ($res, qr/unknown function \(Foo::bar\)/,
	234	"BC::compile detects fn-name as unknown function");
cc02ea56	235
	236	# v.62 tests
	237
	238	pass ("TEST POST-COMPILE OPTION-HANDLING IN WALKER SUBROUTINE");
	239
	240	my $sample;
	241
	242	my $walker = B::Concise::compile('-basic', $func);
	243	walk_output(\$sample);
	244	$walker->('-exec');
	245	like($sample, qr/goto/m, "post-compile -exec");
	246
	247	walk_output(\$sample);
	248	$walker->('-basic');
	249	unlike($sample, qr/goto/m, "post-compile -basic");
	250
	251
	252	# bang at it combinatorically
	253	my %combos;
	254	my @modes = qw( -basic -exec );
	255	my @styles = qw( -concise -debug -linenoise -terse );
	256
	257	# prep samples
	258	for $style (@styles) {
	259	for $mode (@modes) {
	260	walk_output(\$sample);
	261	reset_sequence();
	262	$walker->($style, $mode);
	263	$combos{"$style$mode"} = $sample;
	264	}
	265	}
	266	# crosscheck that samples are all text-different
	267	@list = sort keys %combos;
	268	for $i (0..$#list) {
	269	for $j ($i+1..$#list) {
	270	isnt ($combos{$list[$i]}, $combos{$list[$j]},
	271	"combos for $list[$i] and $list[$j] are different, as expected");
	272	}
	273	}
	274
	275	# add samples with styles in different order
	276	for $mode (@modes) {
	277	for $style (@styles) {
	278	reset_sequence();
	279	walk_output(\$sample);
	280	$walker->($mode, $style);
	281	$combos{"$mode$style"} = $sample;
	282	}
	283	}
	284	# test commutativity of flags, ie that AB == BA
	285	for $mode (@modes) {
	286	for $style (@styles) {
	287	is ( $combos{"$style$mode"},
	288	$combos{"$mode$style"},
	289	"results for $style$mode vs $mode$style are the same" );
	290	}
	291	}
	292
	293	my %save = %combos;
5638aaac	294	%combos = (); # outputs for $mode=any($order) and any($style)
cc02ea56	295
	296	# add more samples with switching modes & sticky styles
	297	for $style (@styles) {
	298	walk_output(\$sample);
	299	reset_sequence();
	300	$walker->($style);
	301	for $mode (@modes) {
	302	walk_output(\$sample);
	303	reset_sequence();
	304	$walker->($mode);
	305	$combos{"$style/$mode"} = $sample;
	306	}
	307	}
	308	# crosscheck that samples are all text-different
	309	@nm = sort keys %combos;
	310	for $i (0..$#nm) {
	311	for $j ($i+1..$#nm) {
	312	isnt ($combos{$nm[$i]}, $combos{$nm[$j]},
	313	"results for $nm[$i] and $nm[$j] are different, as expected");
	314	}
	315	}
	316
	317	# add samples with switching styles & sticky modes
	318	for $mode (@modes) {
	319	walk_output(\$sample);
	320	reset_sequence();
	321	$walker->($mode);
	322	for $style (@styles) {
	323	walk_output(\$sample);
	324	reset_sequence();
	325	$walker->($style);
	326	$combos{"$mode/$style"} = $sample;
	327	}
	328	}
	329	# test commutativity of flags, ie that AB == BA
	330	for $mode (@modes) {
	331	for $style (@styles) {
	332	is ( $combos{"$style/$mode"},
	333	$combos{"$mode/$style"},
	334	"results for $style/$mode vs $mode/$style are the same" );
	335	}
	336	}
	337
	338
	339	#now do double crosschecks: commutativity across stick / nostick
5638aaac	340	%combos = (%combos, %save);
cc02ea56	341
	342	# test commutativity of flags, ie that AB == BA
	343	for $mode (@modes) {
	344	for $style (@styles) {
	345
	346	is ( $combos{"$style$mode"},
	347	$combos{"$style/$mode"},
	348	"$style$mode VS $style/$mode are the same" );
	349
	350	is ( $combos{"$mode$style"},
	351	$combos{"$mode/$style"},
	352	"$mode$style VS $mode/$style are the same" );
	353
	354	is ( $combos{"$style$mode"},
	355	$combos{"$mode/$style"},
	356	"$style$mode VS $mode/$style are the same" );
	357
	358	is ( $combos{"$mode$style"},
	359	$combos{"$style/$mode"},
	360	"$mode$style VS $style/$mode are the same" );
	361	}
	362	}
724aa791	363	}
cc02ea56	364
	365	__END__
	366