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extern "C"{
#include "driver.h"
#include "registers.h"
}
#include "../../fff.h"
#include <gtest/gtest.h>
DEFINE_FFF_GLOBALS;
FAKE_VOID_FUNC(IO_MEM_WR8, uint32_t, uint8_t);
FAKE_VALUE_FUNC(uint8_t, IO_MEM_RD8, uint32_t);
class DriverTestFFF : public testing::Test
{
public:
void SetUp()
{
RESET_FAKE(IO_MEM_WR8);
RESET_FAKE(IO_MEM_RD8);
FFF_RESET_HISTORY();
}
};
TEST_F(DriverTestFFF, When_writing_Then_writes_data_to_DRIVER_OUTPUT_REGISTER)
{
driver_write(0x34);
ASSERT_EQ(1u, IO_MEM_WR8_fake.call_count);
ASSERT_EQ(0x34u, IO_MEM_WR8_fake.arg1_val);
ASSERT_EQ(DRIVER_OUTPUT_REGISTER, IO_MEM_WR8_fake.arg0_val);
}
TEST_F(DriverTestFFF, When_reading_data_Then_reads_from_DRIVER_INPUT_REGISTER)
{
IO_MEM_RD8_fake.return_val = 0x55;
uint8_t returnedValue = driver_read();
ASSERT_EQ(1u, IO_MEM_RD8_fake.call_count);
ASSERT_EQ(0x55u, returnedValue);
ASSERT_EQ(IO_MEM_RD8_fake.arg0_val, DRIVER_INPUT_REGISTER);
}
TEST_F(DriverTestFFF, Given_revisionB_device_When_initialize_Then_enable_peripheral_before_initializing_it)
{
// Given
IO_MEM_RD8_fake.return_val = HARDWARE_REV_B;
// When
driver_init_device();
//Then
// Gets the hardware revision
ASSERT_EQ((void*) IO_MEM_RD8, fff.call_history[0]);
ASSERT_EQ(HARDWARE_VERSION_REGISTER, IO_MEM_RD8_fake.arg0_history[0]);
// Enables Peripheral
ASSERT_EQ((void*) IO_MEM_WR8, fff.call_history[1]);
ASSERT_EQ(DRIVER_PERIPHERAL_ENABLE_REG, IO_MEM_WR8_fake.arg0_history[0]);
ASSERT_EQ(1, IO_MEM_WR8_fake.arg1_history[0]);
// Initializes Peripheral
ASSERT_EQ((void*) IO_MEM_WR8, fff.call_history[2]);
ASSERT_EQ(DRIVER_PERIPHERAL_INITIALIZE_REG,IO_MEM_WR8_fake.arg0_history[1]);
ASSERT_EQ(1, IO_MEM_WR8_fake.arg1_history[1]);
}
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