--- /dev/null
+use strict;
+use warnings FATAL => 'all';
+use Test::More;
+use JSON::MaybeXS ();
+
+our @call;
+
+sub Fake::new { bless({}, 'Fake') }
+sub Fake::foo { push @call, a => $_[1] }
+sub Fake::bar { push @call, c => $_[1] }
+
+{
+ local $JSON::MaybeXS::JSON_Class = 'Fake';
+
+ my @args = (foo => 'b', bar => 'd');
+
+ foreach my $args (\@args, [ { @args } ]) {
+
+ local @call;
+
+ my $obj = JSON::MaybeXS->new(@$args);
+
+ is(ref($obj), 'Fake', 'Object of correct class');
+
+ is(join(' ', sort @call), 'a b c d', 'Methods called');
+ }
+}
+
+done_testing;