{if (-e _ and -f _)}
}
- print TEST $prog, "\n";
+ print TEST $prog;
close TEST or die "Cannot close $tmpfile: $!";
my $results = runperl(%$runperl_args);
$runperl_args, $name);
}
+sub can_ok ($@) {
+ my($proto, @methods) = @_;
+ my $class = ref $proto || $proto;
+
+ unless( @methods ) {
+ return _ok( 0, _where(), "$class->can(...)" );
+ }
+
+ my @nok = ();
+ foreach my $method (@methods) {
+ local($!, $@); # don't interfere with caller's $@
+ # eval sometimes resets $!
+ eval { $proto->can($method) } || push @nok, $method;
+ }
+
+ my $name;
+ $name = @methods == 1 ? "$class->can('$methods[0]')"
+ : "$class->can(...)";
+
+ _ok( !@nok, _where(), $name );
+}
+
+sub isa_ok ($$;$) {
+ my($object, $class, $obj_name) = @_;
+
+ my $diag;
+ $obj_name = 'The object' unless defined $obj_name;
+ my $name = "$obj_name isa $class";
+ if( !defined $object ) {
+ $diag = "$obj_name isn't defined";
+ }
+ elsif( !ref $object ) {
+ $diag = "$obj_name isn't a reference";
+ }
+ else {
+ # We can't use UNIVERSAL::isa because we want to honor isa() overrides
+ local($@, $!); # eval sometimes resets $!
+ my $rslt = eval { $object->isa($class) };
+ if( $@ ) {
+ if( $@ =~ /^Can't call method "isa" on unblessed reference/ ) {
+ if( !UNIVERSAL::isa($object, $class) ) {
+ my $ref = ref $object;
+ $diag = "$obj_name isn't a '$class' it's a '$ref'";
+ }
+ } else {
+ die <<WHOA;
+WHOA! I tried to call ->isa on your object and got some weird error.
+This should never happen. Please contact the author immediately.
+Here's the error.
+$@
+WHOA
+ }
+ }
+ elsif( !$rslt ) {
+ my $ref = ref $object;
+ $diag = "$obj_name isn't a '$class' it's a '$ref'";
+ }
+ }
+
+ _ok( !$diag, _where(), $name );
+}
+
1;