#!./perl
BEGIN {
- chdir 't';
- @INC = '../lib';
- require './test.pl';
+ unshift @INC, 't';
+ require Config;
+ if (($Config::Config{'extensions'} !~ /\bB\b/) ){
+ print "1..0 # Skip -- Perl configured without B module\n";
+ exit 0;
+ }
+ require 'test.pl'; # we use runperl from 'test.pl', so can't use Test::More
}
-plan tests => 5;
+plan tests => 159;
require_ok("B::Concise");
is($op_base, 1, "Smallest OP sequence number");
-($op_base_p1, $cop_base) = ($out =~ /^(\d+)\s*<;>\s*nextstate\(main (\d+) /m);
+($op_base_p1, $cop_base)
+ = ($out =~ /^(\d+)\s*<;>\s*nextstate\(main (-?\d+) /m);
is($op_base_p1, 2, "Second-smallest OP sequence number");
$out = runperl(
switches => ["-MO=Concise,-exec"],
- prog => q{$a//=$b && print q/foo/},
+ prog => q{$a=$b && print q/foo/},
stderr => 1,
);
+#diag($out);
+like($out, qr/print/, "'-exec' option output has print opcode");
-like($out, qr/print/, "-exec option with //=");
+######## 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", 127
+ 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);
+ my @lines = split(/\n/, $res);
+ is(scalar @lines, 3,
+ "'sub defd_empty {}' seen as 3 liner");
+
+ is(1, $res =~ /leavesub/ && $res =~ /(next|db)state/,
+ "'sub defd_empty {}' seen as 2 ops: leavesub,nextstate");
+
+ ($res,$err) = render('-basic', \¬_even_declared);
+ like ($res, qr/coderef CODE\(0x[0-9a-fA-F]+\) has no START/,
+ "'\¬_even_declared' seen as having no START");
+
+ {
+ package Bar;
+ our $AUTOLOAD = 'garbage';
+ sub AUTOLOAD { print "# in AUTOLOAD body: $AUTOLOAD\n" }
+ }
+ ($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 ($res, qr/in AUTOLOAD body: /, "found body of Bar::AUTOLOAD");
+
+ }
+ ($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" );
+ }
+ }
+}
+
+
+# test proper NULLING of pointer, derefd by CvSTART, when a coderef is
+# undefd. W/o this, the pointer can dangle into freed and reused
+# optree mem, which no longer points to opcodes.
+
+# Using B::Concise to render Config::AUTOLOAD's optree at BEGIN-time
+# triggers this obscure bug, cuz AUTOLOAD has a bootstrap version,
+# which is used at load-time then undeffed. It is normally
+# re-vivified later, but not in time for this (BEGIN/CHECK)-time
+# rendering.
+
+$out = runperl ( switches => ["-MO=Concise,Config::AUTOLOAD"],
+ prog => 'use Config; BEGIN { $Config{awk} }',
+ stderr => 1 );
+
+like($out, qr/Config::AUTOLOAD exists in stash, but has no START/,
+ "coderef properly undefined");
+
+$out = runperl ( switches => ["-MO=Concise,Config::AUTOLOAD"],
+ prog => 'use Config; CHECK { $Config{awk} }',
+ stderr => 1 );
+
+like($out, qr/Config::AUTOLOAD exists in stash, but has no START/,
+ "coderef properly undefined");
+
+# test -stash and -src rendering
+# todo: stderr=1 puts '-e syntax OK' into $out,
+# conceivably fouling one of the lines that are tested
+$out = runperl ( switches => ["-MO=Concise,-stash=B::Concise,-src"],
+ prog => '-e 1', stderr => 1 );
+
+like($out, qr/FUNC: \*B::Concise::concise_cv_obj/,
+ "stash rendering of B::Concise includes Concise::concise_cv_obj");
+
+like($out, qr/FUNC: \*B::Concise::walk_output/,
+ "stash rendering includes Concise::walk_output");
+
+like($out, qr/\# 4\d\d: \s+ \$l->concise\(\$level\);/,
+ "src-line rendering works");
+
+$out = runperl ( switches => ["-MStorable", "-MO=Concise,-stash=Storable,-src"],
+ prog => '-e 1', stderr => 1 );
+
+like($out, qr/FUNC: \*Storable::BIN_MAJOR/,
+ "stash rendering includes constant sub: PAD_FAKELEX_MULTI");
+
+like($out, qr/BIN_MAJOR is a constant sub, optimized to a IV/,
+ "stash rendering identifies it as constant");
+
+$out = runperl ( switches => ["-MO=Concise,-stash=ExtUtils::Mksymlists,-src,-exec"],
+ prog => '-e 1', stderr => 1 );
+
+like($out, qr/FUNC: \*ExtUtils::Mksymlists::_write_vms/,
+ "stash rendering loads package as needed");
+
+$out = runperl ( switches => ["-MO=Concise,-stash=Data::Dumper,-src,-exec"],
+ prog => '-e 1', stderr => 1 );
+
+like($out, qr/FUNC: \*Data::Dumper::format_refaddr/,
+ "stash rendering loads package as needed");
+
+my $prog = q{package FOO; sub bar { print q{bar} } package main; FOO::bar(); };
+
+# this would fail if %INC used for -stash test
+$out = runperl ( switches => ["-MO=Concise,-src,-stash=FOO,-main"],
+ prog => $prog, stderr => 1 );
+
+like($out, qr/FUNC: \*FOO::bar/,
+ "stash rendering works on inlined package");
+
+# Test that consecutive nextstate ops are not nulled out when PERLDBf_NOOPT
+# is set.
+# XXX Does this test belong here?
+
+$out = runperl ( switches => ["-MO=Concise"],
+ prog => 'BEGIN{$^P = 0x04} 1 if 0; print',
+ stderr => 1 );
+like $out, qr/nextstate.*nextstate/s,
+ 'nulling of nextstate-nextstate happeneth not when $^P | PERLDBf_NOOPT';
+
+
+# A very basic test for -tree output
+$out =
+ runperl(
+ switches => ["-MO=Concise,-tree"], prog => 'print', stderr => 1
+ );
+ok index $out=~s/\r\n/\n/gr=~s/gvsv\(\*_\)/gvsv[*_]/r, <<'end'=~s/\r\n/\n/gr =>>= 0, '-tree output';
+<6>leave[1 ref]-+-<1>enter
+ |-<2>nextstate(main 1 -e:1)
+ `-<5>print-+-<3>pushmark
+ `-ex-rv2sv---<4>gvsv[*_]
+end
+
+__END__
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