Resteasy client does not honor @JsonValue for enums

public class RestEasyClientEnumTest {

    ///////////////////////////////////////////////
    // Objects
    
    public enum TestEnum {
        ENUM_VALUE(1);

        private final int value;
        private TestEnum(final int val) { value = val; }

        @JsonValue
        public String getValue() { return Integer.toString(value); }
    }
    
    

    public static interface TestInterface {
        @GET
        @Path("/{index}")
        public Response testMethod(@PathParam("index") final TestEnum value);
    }
    
    

    public static class RequestInterceptor implements ClientRequestFilter {
        private String requestUri;

        @Override
        public void filter(final ClientRequestContext requestContext) throws IOException {
            requestUri = requestContext.getUri().toString();
        }

        public String getRequestUri() { return requestUri; }
    }

    ///////////////////////////////////////////////
    // Test
    
    @Test
    public void testClientWithEnum() {
        final ResteasyClient client = new ResteasyClientBuilder().build();
        final RequestInterceptor interceptor = new RequestInterceptor();
        final TestInterface proxy = client.target("http://localhost")
                                          .register(interceptor)
                                          .proxy(TestInterface.class);

        try {
            proxy.testMethod(TestEnum.ENUM_VALUE);
        }
        catch (Exception e) {
            // Can't actually connect to localhost; don't care
        }

        Assert.assertEquals("http://localhost/" + TestEnum.ENUM_VALUE.getValue(),
                            interceptor.getRequestUri());
    }
}