#!./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 => 38;
+plan tests => 167;
require_ok("B::Concise");
$out = runperl(
switches => ["-MO=Concise,-exec"],
- prog => q{$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");
######## 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));
+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 (undef, 0, "string",[], {}) {
+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;
my @stylespec;
$@='';
eval { add_style ('junk_B' => @stylespec) };
-like ($@, 'expecting 3 style-format args',
+like ($@, qr/expecting 3 style-format args/,
"add_style rejects insufficient args");
@stylespec = (0,0,0); # right length, invalid values
eval { set_style (@stylespec) };
like ($@, qr/expecting 3 style-format args/,
- "set_style rejects bad style-format args");
-
+ "set_style rejects bad style-format args");
#### for content with doc'd options
-SKIP:
-{ # test output to GLOB, using perlio feature directly
- skip "no perlio on this build", 18
- unless $Config::Config{useperlio};
- set_style_standard('concise'); # MUST CALL b4 output needed
- my $func = sub{ $a = $b+42 };
+our($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 -main
+ -basic -exec -tree -compact -loose -vt -ascii
-base10 -bigendian -littleendian
);
foreach $opt (@options) {
- walk_output(\my $out);
- my $treegen = B::Concise::compile($opt, $func);
- $treegen->();
- #print "foo:$out\n";
+ ($out) = render($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 $thing;
walk_output(\$thing);
ok($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
-
+
+ ## test B::Concise::compile error checking
+
# call compile on non-CODE ref items
- 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
+ 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 ???
- sub nosuchfunc;
- eval { B::Concise::compile('-basic', \&nosuchfunc)->() };
- like ($@, qr/^err: coderef has no START/,
- "compile detects CODE-ref w/o actual code");
-
- foreach my $opt (qw( -concise -exec )) {
- eval { B::Concise::compile($opt,'non_existent_function')->() };
- like ($@, qr/unknown function \(main::non_existent_function\)/,
- "'$opt' reports non-existent-function properly");
+
+ my ($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
+$out = runperl ( switches => ["-MO=-qq,Concise,-stash=B::Concise,-src"],
+ prog => '-e 1', stderr => 1 );
+
+like($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 has constant sub: Storable::BIN_MAJOR");
+
+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 );
+
+SKIP: {
+ skip "Data::Dumper is statically linked", 1
+ if $Config{static_ext} =~ m|\bData/Dumper\b|;
+ like($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
+
+# -nobanner
+$out =
+ runperl(
+ switches => ["-MO=Concise,-nobanner,foo"], prog=>'sub foo{}', stderr => 1
+ );
+unlike $out, qr/main::foo/, '-nobanner';
+
+# glob
+$out =
+ runperl(
+ switches => ["-MO=Concise"], prog=>'glob(q{.})', stderr => 1
+ );
+like $out, qr/\*<none>::/, 'glob(q{.})';
+
+# Test op_other in -debug
+$out = runperl(
+ switches => ["-MO=Concise,-debug,xx"],
+ prog => q{sub xx { if ($a) { return $b } }},
+ stderr => 1,
+);
+
+$out =~s/\r\n/\n/g;
+
+# Look for OP_AND
+$end = <<'EOF';
+LOGOP \(0x\w+\)
+ op_next 0x\w+
+ op_other (0x\w+)
+ op_sibling 0
+ op_ppaddr PL_ppaddr\[OP_AND\]
+EOF
+
+$end =~ s/\r\n/\n/g;
+
+like $out, qr/$end/, 'OP_AND has op_other';
+
+# like(..) above doesn't fill in $1
+$out =~ $end;
+my $next = $1;
+
+# Check it points to a PUSHMARK
+$end = <<'EOF';
+OP \(<NEXT>\)
+ op_next 0x\w+
+ op_sibling 0x\w+
+ op_ppaddr PL_ppaddr\[OP_PUSHMARK\]
+EOF
+
+$end =~ s/<NEXT>/$next/;
+
+like $out, qr/$end/, 'OP_AND->op_other points correctly';
+
+# test nextstate hints display
+
+{
+
+ $out = runperl(
+ switches => ["-MO=Concise"],
+ prog => q{my $x; use strict; use warnings; $x++; use feature q(:5.11); $x++},
+ stderr => 1,
+ );
+
+ my @hints = $out =~ /nextstate\([^)]+\) (.*) ->/g;
+
+ # handle test script run with PERL_UNICODE=""
+ s/>,<,// for @hints;
+ s/%,// for @hints;
+
+ is(scalar(@hints), 3, "3 hints");
+ is($hints[0], 'v:{', "hints[0]");
+ is($hints[1], 'v:*,&,{,x*,x&,x$,$', "hints[1]");
+ is($hints[2], 'v:us,*,&,{,x*,x&,x$,$,fea=7', "hints[2]");
}
+
+__END__
https://perl5.git.perl.org / perl5.git / blobdiff