test_1w_impl.cpp

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#include <gtest/gtest.h>
#include <utl/com/_1wire_uart.h>

namespace test_1w {
   using namespace utl;

   // implementer class stub
   class OW : public _1wire_uart_i<OW> {
      friend _1wire_uart_i<OW>;
      byte_t UART_RW (byte_t byte) {
         // return the given. This also mean no-device
         return byte;
      }
      void UART_BR (uint32_t br) {} // imaginary baud-rate implementation
   };

   // fixture
   class Test_1w_impl : public ::testing::Test {
   protected:
      //void SetUp() override { }
      //void TearDown() override { }
      OW ow;
   };

   TEST_F(Test_1w_impl, TestConcept) {
//      EXPECT_EQ(_1Wire_i<OW>, true);
   }

   TEST_F(Test_1w_impl, TestConstruction) {
      EXPECT_GT(sizeof(ow), 0UL);
   }

   TEST_F (Test_1w_impl, TestFunctionality) {
      byte_t b {42};

      _1wire_id_t id = ow.first(OW::Speed::STD);
      EXPECT_EQ (id != _1wire_id_t::nullDev(), false); // as long as there is no slave Mock

      EXPECT_EQ (ow.reset(OW::Speed::STD), false);    // as long as there is no slave Mock
      //ow.match(id, OW::Speed::STD);
      EXPECT_EQ(ow.rx_data(OW::Speed::STD), 0xFF);
      EXPECT_EQ(ow.tx_data(b, OW::Speed::STD), 42);

   }
}