Added tests for I2C periherials

tests/AllTests.cpp

@@ -4,6 +4,7 @@
 IMPORT_TEST_GROUP(simple_test);
 IMPORT_TEST_GROUP(tg_ADC);
 IMPORT_TEST_GROUP(tg_wwdg);
+IMPORT_TEST_GROUP(tg_I2C);
 IMPORT_TEST_GROUP(test_RegEdit);
 IMPORT_TEST_GROUP(test_blink);
 

tests/CMakeLists.txt

@@ -1,6 +1,7 @@
 project(Tests)
 
 # TEST_DIRS
+add_subdirectory(I2C)
 add_subdirectory(wwdg)
 add_subdirectory(blink)
 add_subdirectory(MockRegEdit)
@@ -20,6 +21,7 @@ add_executable(AllTests
 target_link_libraries(AllTests
     ${CPPUTEST_LIBRARIES}
     # TEST_LINKS
+test_I2C
     test_wwdg
 	test_blink
     test_ADC

tests/I2C/CMakeLists.txt

@@ -0,0 +1,23 @@
+# File: tests/I2C/CMakeLists.txt
+
+add_subdirectory(mocks)
+add_subdirectory(fakes)
+add_subdirectory(stubs)
+
+# TEST_RUNNER
+add_library(test_I2C
+    test_I2C.cpp    
+)
+
+target_link_libraries(test_I2C
+    ${CPPUTEST_LIBRARIES}
+    I2C
+)
+
+target_include_directories(test_I2C PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}
+    #Next comes the shared and non-module specific test depencencies.
+    ${CMAKE_SOURCE_DIR}/tests/shared/mocks/
+    ${CMAKE_SOURCE_DIR}/tests/shared/fakes/
+    ${CMAKE_SOURCE_DIR}/tests/shared/stubs/
+)

tests/I2C/test_I2C.cpp

@@ -0,0 +1,160 @@
+/*
+ * Author: username
+ * Date: todays_date 
+ * filename: test_I2C.c
+ * description: module_purpose
+ */
+
+#include "CppUTest/CommandLineTestRunner.h"
+
+extern "C" 
+{
+#include "I2C.h"
+#include "I2C_internal.h"
+}
+
+TEST_GROUP(tg_I2C)
+{
+    void setup()
+    {
+
+    }
+    void teardown()
+    {
+
+    }
+};
+
+/*
+     typedef struct
+    {
+        uint32_t clockspeed;
+        uint16_t mode;
+        uint16_t dutycycle;
+        uint16_t ownaddress1;
+        uint16_t ack;
+        uint16_t ack_address;
+    } i2c_config;
+*/
+
+TEST(tg_I2C, GetBusReturnsNonNullOnValidIndecies)
+{
+    i2c_bus_typedef_p i2cbus_ptr = I2C_GetBus(0);
+    CHECK_TRUE_TEXT(i2cbus_ptr != nullptr, "The pointer should have been valid but was nullptr.");
+}
+
+TEST(tg_I2C, GetBusReturnsNullOnInvalid)
+{
+
+    i2c_bus_typedef_p i2cbus_ptr = I2C_GetBus(I2C_BUS_QTY + 1);
+    CHECK_EQUAL_TEXT(nullptr, i2cbus_ptr, "The pointer should be null for invalid indecies.");
+
+}
+
+TEST(tg_I2C, BusFailsOnInvalidconfig)
+{
+
+}
+
+TEST(tg_I2C, CreateI2CBus_10Bit)
+{
+    i2c_config i2c1_config = {
+        .clockspeed = I2C_STD_SPEED,
+        .mode = I2C_MODE_MASTER,
+        .dutycycle = 0,
+        .ownaddress = 0,
+        .ack = true,
+        .ack_address = 0,
+    };
+
+    i2c_bus_typedef_p i2c1_ptr = I2C_GetBus(0);
+
+    bool ret = i2c1_ptr->Init(i2c1_ptr, &i2c1_config);
+    CHECK_TRUE(ret);
+}
+
+
+TEST_GROUP(tg_I2C_internal)
+{
+    i2c_config config;
+    void setup()
+    {
+        config.clockspeed = 0;
+        config.mode = 0;
+
+    }
+    void teardown()
+    {
+
+    }
+};
+
+TEST(tg_I2C_internal, i2c_configchecksclockspeed)
+{
+    bool ret = false;
+
+    for(config.clockspeed = 0; config.clockspeed < I2C_INVALID_SPEED; config.clockspeed++){
+        ret = is_i2c_config_valid(&config);
+        CHECK_TRUE(ret);
+    }
+    
+    config.clockspeed = I2C_INVALID_SPEED;
+    ret = is_i2c_config_valid(&config);
+    CHECK_FALSE_TEXT(ret, "config check accepted invalid i2c clockspeed!");
+}
+
+TEST(tg_I2C_internal, i2c_configchecksmode)
+{
+    bool ret = false;
+
+    for(config.mode = 0; config.mode < I2C_MODE_INVALID; config.mode++){
+        ret = is_i2c_config_valid(&config);
+        CHECK_TRUE(ret);
+    }
+
+    config.mode = I2C_MODE_INVALID;
+    ret = is_i2c_config_valid(&config);
+    CHECK_FALSE_TEXT(ret, "config check accepted invalid i2c mode!");
+}
+
+TEST(tg_I2C_internal, i2c_configchecksdutycycle)
+{
+    bool ret = false;
+
+    for(config.dutycycle= 0; config.dutycycle < I2C_DUTYCYCLE_INVALID; config.dutycycle++){
+        ret = is_i2c_config_valid(&config);
+        CHECK_TRUE(ret);
+    }
+
+    config.dutycycle= I2C_DUTYCYCLE_INVALID;
+    ret = is_i2c_config_valid(&config);
+    CHECK_FALSE_TEXT(ret, "config check accepted invalid i2c dutycycle!");
+}
+
+TEST(tg_I2C_internal, is10bitaddresschecksCorrectly)
+{
+    bool ret = false;
+    
+    CHECK_FALSE_TEXT(ret, "check");
+}
+
+TEST(tg_I2C_internal, is7bitaddresschecksCorrectly)
+{
+    bool ret = false;
+
+    CHECK_FALSE_TEXT(ret, "check");
+}
+
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