test/seatalk/Test_seatalk_message_21.cpp

   1 #include <gtest/gtest.h>
   2 #include <marnav/seatalk/message_21.hpp>
   3
   4 namespace
   5 {
   6
   7 using namespace marnav;
   8
   9 class Test_seatalk_message_21 : public ::testing::Test
  10 {
  11 };
  12
  13 TEST_F(Test_seatalk_message_21, construction)
  14 {
  15         seatalk::message_21 m;
  16 }
  17
  18 TEST_F(Test_seatalk_message_21, parse_invalid_data_size)
  19 {
  20         EXPECT_ANY_THROW(seatalk::message_21::parse({4, 0x00}));
  21         EXPECT_ANY_THROW(seatalk::message_21::parse({6, 0x00}));
  22 }
  23
  24 TEST_F(Test_seatalk_message_21, parse_invalid_length)
  25 {
  26         EXPECT_ANY_THROW(seatalk::message_21::parse({0x21, 0x01, 0x00, 0x00, 0x00}));
  27         EXPECT_ANY_THROW(seatalk::message_21::parse({0x21, 0x03, 0x00, 0x00, 0x00}));
  28 }
  29
  30 TEST_F(Test_seatalk_message_21, parse)
  31 {
  32         struct test_case {
  33                 seatalk::raw data;
  34                 uint32_t distance;
  35         };
  36
  37         std::vector<test_case> cases{
  38                 {{0x21, 0x02, 0x00, 0x00, 0x00}, 0}, //   0.00 nm
  39                 {{0x21, 0x02, 0x00, 0x00, 0x01}, 1}, //   0.01 nm
  40                 {{0x21, 0x02, 0x00, 0x00, 0x10}, 0}, //   0.00 nm
  41                 {{0x21, 0x02, 0x00, 0x00, 0xf0}, 0}, //   0.00 nm
  42                 {{0x21, 0x02, 0x00, 0x01, 0x00}, 16}, //   0.16 nm
  43                 {{0x21, 0x02, 0x00, 0x10, 0x00}, 256}, //   2.56 nm
  44                 {{0x21, 0x02, 0x01, 0x00, 0x00}, 4096}, //  40.96 nm
  45                 {{0x21, 0x02, 0x10, 0x00, 0x00}, 65536}, // 655.36 nm
  46         };
  47
  48         for (auto const & t : cases) {
  49                 auto generic_message = seatalk::message_21::parse(t.data);
  50                 ASSERT_TRUE(generic_message != nullptr);
  51                 auto m = seatalk::message_cast<seatalk::message_21>(generic_message);
  52                 ASSERT_TRUE(m != nullptr);
  53                 EXPECT_EQ(seatalk::message_id::trip_mileage, m->type());
  54                 EXPECT_EQ(t.distance, m->get_distance());
  55         }
  56 }
  57
  58 TEST_F(Test_seatalk_message_21, write_default)
  59 {
  60         const seatalk::raw expected{0x21, 0x02, 0x00, 0x00, 0x00};
  61         seatalk::message_21 m;
  62
  63         EXPECT_EQ(expected, m.get_data());
  64 }
  65
  66 TEST_F(Test_seatalk_message_21, write_distance)
  67 {
  68         const seatalk::raw expected{0x21, 0x02, 0x00, 0x00, 0x01};
  69         seatalk::message_21 m;
  70         m.set_distance(1);
  71
  72         EXPECT_EQ(expected, m.get_data());
  73 }
  74 }