use Test::Most;
use aliased 'OpenTracing::Implementation::DataDog::SpanContext';
subtest 'Clone with service_name' => sub {
     
    my $span_context_1;
    my $span_context_2;
     
    lives_ok {
        $span_context_1 = SpanContext->new(
#           trace_id      => 12345, # you can not assign to trace_id!
            service_name  => 'srvc 1',
            resource_name => 'rsrc 1',
            version       => 'vers 1',
            baggage_items => { foo => 1, bar => 2 },
        )
    } "Created a SpanContext [1]"
     
    or return;
     
    lives_ok {
        $span_context_2 = $span_context_1->with_version('vers 2');
    } "... and cloned a new SpanContext [2]"
     
    or return;
     
    isnt $span_context_1, $span_context_2,
    "... that is not the same object reference as the original";
     
    is $span_context_1->trace_id, $span_context_2->trace_id,
        "... but has still the same 'trace_id'";
     
    is $span_context_1->get_version, 'vers 1',
        "... and the original SpanContext [1] has not changed";
     
    is $span_context_2->get_version, 'vers 2',
        "... and the cloned SpanContext [2] has the expected values [vers 2]";
     
};
done_testing;