require './test.pl';
}
-plan tests => 5;
+plan tests => 38;
require_ok("B::Concise");
stderr => 1,
);
-like($out, qr/print/, "-exec option with //=");
+like($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 accepts a HANDLE arg
+foreach my $foo (\*STDOUT, \*STDERR) {
+ eval { walk_output($foo) };
+ is ($@, '', "walk_output() accepts STD* " . ref $foo);
+}
+
+# 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");
+
+# 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
+
+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");
+}
+
+{ # test output to GLOB, using perlio feature directly
+ skip 1, "no perlio on this build" unless $Config{useperlio};
+ 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");
+}