chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
- plan( tests => 27 );
+ plan( tests => 78 );
}
my @c;
# See if caller() returns the correct warning mask
+sub show_bits
+{
+ my $in = shift;
+ my $out = '';
+ foreach (unpack('W*', $in)) {
+ $out .= sprintf('\x%02x', $_);
+ }
+ return $out;
+}
+
+sub check_bits
+{
+ my ($got, $exp, $desc) = @_;
+ if (! ok($got eq $exp, $desc)) {
+ diag(' got: ' . show_bits($got));
+ diag('expected: ' . show_bits($exp));
+ }
+}
+
sub testwarn {
my $w = shift;
- is( (caller(0))[9], $w, "warnings");
+ my $id = shift;
+ check_bits( (caller(0))[9], $w, "warnings match caller ($id)");
}
# NB : extend the warning mask values below when new warnings are added
{
no warnings;
- BEGIN { is( ${^WARNING_BITS}, "\0" x 12, 'warning bits' ) }
- testwarn("\0" x 12);
+ BEGIN { check_bits( ${^WARNING_BITS}, "\0" x 12, 'all bits off via "no warnings"' ) }
+ testwarn("\0" x 12, 'no bits');
+
use warnings;
- BEGIN { is( ${^WARNING_BITS}, "U" x 12, 'warning bits' ) }
- BEGIN { testwarn("U" x 12); }
+ BEGIN { check_bits( ${^WARNING_BITS}, "\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x05", 'default bits on via "use warnings"' ); }
+ BEGIN { testwarn("\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x05", 'all'); }
# run-time :
# the warning mask has been extended by warnings::register
- testwarn("UUUUUUUUUUUU\001");
+ testwarn("\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x15", 'ahead of w::r');
+
use warnings::register;
- BEGIN { is( ${^WARNING_BITS}, "UUUUUUUUUUUU\001", 'warning bits' ) }
- testwarn("UUUUUUUUUUUU\001");
+ BEGIN { check_bits( ${^WARNING_BITS}, "\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x15", 'warning bits on via "use warnings::register"' ) }
+ testwarn("\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x55\x15", 'following w::r');
}
+
+
+# The next two cases test for a bug where caller ignored evals if
+# the DB::sub glob existed but &DB::sub did not (for example, if
+# $^P had been set but no debugger has been loaded). The tests
+# thus assume that there is no &DB::sub: if there is one, they
+# should both pass no matter whether or not this bug has been
+# fixed.
+
+my $debugger_test = q<
+ my @stackinfo = caller(0);
+ return scalar @stackinfo;
+>;
+
+sub pb { return (caller(0))[3] }
+
+my $i = eval $debugger_test;
+is( $i, 11, "do not skip over eval (and caller returns 10 elements)" );
+
+is( eval 'pb()', 'main::pb', "actually return the right function name" );
+
+my $saved_perldb = $^P;
+$^P = 16;
+$^P = $saved_perldb;
+
+$i = eval $debugger_test;
+is( $i, 11, 'do not skip over eval even if $^P had been on at some point' );
+is( eval 'pb()', 'main::pb', 'actually return the right function name even if $^P had been on at some point' );
+
+print "# caller can now return the compile time state of %^H\n";
+
+sub hint_exists {
+ my $key = shift;
+ my $level = shift;
+ my @results = caller($level||0);
+ exists $results[10]->{$key};
+}
+
+sub hint_fetch {
+ my $key = shift;
+ my $level = shift;
+ my @results = caller($level||0);
+ $results[10]->{$key};
+}
+
+$::testing_caller = 1;
+
+do './op/caller.pl' or die $@;