ut_short_add_order_message.cpp

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#include <jb/pitch2/short_add_order_message.hpp>

#include <boost/test/unit_test.hpp>
#include <type_traits>

/**
 * @test Verify that jb::pitch2::short_add_order_message works as expected.
 */
BOOST_AUTO_TEST_CASE(short_add_order_message_basic) {
  using namespace jb::pitch2;
  BOOST_CHECK_EQUAL(true, std::is_pod<short_add_order_message>::value);
  BOOST_CHECK_EQUAL(sizeof(short_add_order_message), std::size_t(26));

  char const buf[] = u8"\x1A"                           // Length (26)
                     "\x22"                             // Message Type (34 '"')
                     "\x18\xD2\x06\x00"                 // Time Offset (447,000)
                     "\x05\x40\x5B\x77\x8F\x56\x1D\x0B" // Order Id
                     "\x42"                     // Side Indicator (66 'B' Buy)
                     "\x20\x4E"                 // Quantity (20,000)
                     "\x5A\x56\x5A\x5A\x54\x20" // Symbol (ZVZZT)
                     "\x0A\x28"                 // Price ($102.50)
                     "\x01" // Add Flags (Bit 0 on -> Displayed)
      ;
  short_add_order_message msg;
  BOOST_REQUIRE_EQUAL(sizeof(buf) - 1, sizeof(msg));
  std::memcpy(&msg, buf, sizeof(msg));
  BOOST_CHECK_EQUAL(int(msg.length.value()), 26);
  BOOST_CHECK_EQUAL(int(msg.message_type.value()), 34);
  BOOST_CHECK_EQUAL(msg.time_offset.value(), 447000);
  BOOST_CHECK_EQUAL(msg.order_id.value(), 0x0B1D568F775B4005ULL);
  BOOST_CHECK_EQUAL(msg.side_indicator.value(), 0x42);
  BOOST_CHECK_EQUAL(msg.quantity.value(), 20000);
  BOOST_CHECK_EQUAL(msg.symbol, jb::fixed_string<6>("ZVZZT"));
  BOOST_CHECK_EQUAL(msg.price.value(), 10250);
  BOOST_CHECK_EQUAL(msg.add_flags.value(), 0x01);

  std::ostringstream os;
  os << msg;
  BOOST_CHECK_EQUAL(
      os.str(),
      std::string("length=26,message_type=34,time_offset=447000,"
                  "order_id=800891482924597253,side_indicator=B,"
                  "quantity=20000,symbol=ZVZZT ,price=10250,add_flags=1"));
}