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|
#!./perl
BEGIN {
chdir 't';
@INC = '../lib';
require './test.pl';
}
plan tests => 38;
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//=$b && print q/foo/},
stderr => 1,
);
like($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));
## walk_output argument checking
# test that walk_output rejects non-HANDLE args
foreach my $foo (undef, 0, "string",[], {}) {
eval { walk_output($foo) };
isnt ($@, '', "walk_output() rejects arg '$foo'");
$@=''; # clear the fail for next test
}
{ # 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
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 };
@options = qw(
-basic -exec -tree -compact -loose -vt -ascii -main
-base10 -bigendian -littleendian
);
foreach $opt (@options) {
walk_output(\my $out);
my $treegen = B::Concise::compile($opt, $func);
$treegen->();
#print "foo:$out\n";
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");
}
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
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");
}
}
|
