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- #include "gtest/gtest.h"
- #include "gmock/gmock.h"
- extern "C" {
- #include "serial_link/protocol/frame_validator.h"
- }
- using testing::_;
- using testing::Args;
- using testing::ElementsAreArray;
- class FrameValidator : public testing::Test {
- public:
- FrameValidator() { Instance = this; }
- ~FrameValidator() { Instance = nullptr; }
- MOCK_METHOD3(route_incoming_frame, void(uint8_t link, uint8_t* data, uint16_t size));
- MOCK_METHOD3(byte_stuffer_send_frame, void(uint8_t link, uint8_t* data, uint16_t size));
- static FrameValidator* Instance;
- };
- FrameValidator* FrameValidator::Instance = nullptr;
- extern "C" {
- void route_incoming_frame(uint8_t link, uint8_t* data, uint16_t size) { FrameValidator::Instance->route_incoming_frame(link, data, size); }
- void byte_stuffer_send_frame(uint8_t link, uint8_t* data, uint16_t size) { FrameValidator::Instance->byte_stuffer_send_frame(link, data, size); }
- }
- TEST_F(FrameValidator, doesnt_validate_frames_under_5_bytes) {
- EXPECT_CALL(*this, route_incoming_frame(_, _, _)).Times(0);
- uint8_t data[] = {1, 2};
- validator_recv_frame(0, 0, 1);
- validator_recv_frame(0, data, 2);
- validator_recv_frame(0, data, 3);
- validator_recv_frame(0, data, 4);
- }
- TEST_F(FrameValidator, validates_one_byte_frame_with_correct_crc) {
- uint8_t data[] = {0x44, 0x04, 0x6A, 0xB3, 0xA3};
- EXPECT_CALL(*this, route_incoming_frame(_, _, _)).With(Args<1, 2>(ElementsAreArray(data, 1)));
- validator_recv_frame(0, data, 5);
- }
- TEST_F(FrameValidator, does_not_validate_one_byte_frame_with_incorrect_crc) {
- uint8_t data[] = {0x44, 0, 0, 0, 0};
- EXPECT_CALL(*this, route_incoming_frame(_, _, _)).Times(0);
- validator_recv_frame(1, data, 5);
- }
- TEST_F(FrameValidator, validates_four_byte_frame_with_correct_crc) {
- uint8_t data[] = {0x44, 0x10, 0xFF, 0x00, 0x74, 0x4E, 0x30, 0xBA};
- EXPECT_CALL(*this, route_incoming_frame(_, _, _)).With(Args<1, 2>(ElementsAreArray(data, 4)));
- validator_recv_frame(1, data, 8);
- }
- TEST_F(FrameValidator, validates_five_byte_frame_with_correct_crc) {
- uint8_t data[] = {1, 2, 3, 4, 5, 0xF4, 0x99, 0x0B, 0x47};
- EXPECT_CALL(*this, route_incoming_frame(_, _, _)).With(Args<1, 2>(ElementsAreArray(data, 5)));
- validator_recv_frame(0, data, 9);
- }
- TEST_F(FrameValidator, sends_one_byte_with_correct_crc) {
- uint8_t original[] = {0x44, 0, 0, 0, 0};
- uint8_t expected[] = {0x44, 0x04, 0x6A, 0xB3, 0xA3};
- EXPECT_CALL(*this, byte_stuffer_send_frame(_, _, _)).With(Args<1, 2>(ElementsAreArray(expected)));
- validator_send_frame(0, original, 1);
- }
- TEST_F(FrameValidator, sends_five_bytes_with_correct_crc) {
- uint8_t original[] = {1, 2, 3, 4, 5, 0, 0, 0, 0};
- uint8_t expected[] = {1, 2, 3, 4, 5, 0xF4, 0x99, 0x0B, 0x47};
- EXPECT_CALL(*this, byte_stuffer_send_frame(_, _, _)).With(Args<1, 2>(ElementsAreArray(expected)));
- validator_send_frame(0, original, 5);
- }
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