TEST(Frame, ServiceParseCompile)
{
using uavcan::Frame;
using uavcan::CanFrame;
using uavcan::TransferID;
using uavcan::TransferType;
Frame frame;
/*
* Priority
* Service Type ID
* Request Not Response
* Destination Node ID
* Service Not Message
* Source Node ID
*/
const uint32_t can_id =
(31 << 24) | // Priority
(200 << 16) | // Service Type ID
(1 << 15) | // Request Not Response
(0x42 << 8) | // Destination Node ID
(1 << 7) | // Service Not Message
(42 << 0); // Source Node ID
const std::string payload_string = "hello\x6a"; // SET = 011, TID = 10
/*
* Parse
*/
// Invalid CAN frames
ASSERT_FALSE(frame.parse(CanFrame(can_id | CanFrame::FlagRTR, (const uint8_t*)"", 0)));
ASSERT_FALSE(frame.parse(makeCanFrame(can_id, payload_string, STD)));
// Valid
ASSERT_TRUE(frame.parse(makeCanFrame(can_id, payload_string, EXT)));
EXPECT_EQ(TransferID(10), frame.getTransferID());
EXPECT_FALSE(frame.isStartOfTransfer());
EXPECT_TRUE(frame.isEndOfTransfer());
EXPECT_TRUE(frame.getToggle());
EXPECT_EQ(uavcan::NodeID(42), frame.getSrcNodeID());
EXPECT_EQ(uavcan::NodeID(0x42), frame.getDstNodeID());
EXPECT_EQ(uavcan::TransferTypeServiceRequest, frame.getTransferType());
EXPECT_EQ(200, frame.getDataTypeID().get());
EXPECT_EQ(31, frame.getPriority().get());
EXPECT_EQ(payload_string.length(), frame.getPayloadLen() + 1);
EXPECT_TRUE(std::equal(frame.getPayloadPtr(), frame.getPayloadPtr() + frame.getPayloadLen(),
reinterpret_cast<const uint8_t*>(&payload_string[0])));
std::cout << frame.toString() << std::endl;
/*
* Compile
*/
CanFrame can_frame;
ASSERT_TRUE(frame.parse(makeCanFrame(can_id, payload_string, EXT)));
ASSERT_TRUE(frame.compile(can_frame));
ASSERT_EQ(can_frame, makeCanFrame(can_id, payload_string, EXT));
EXPECT_EQ(payload_string.length(), can_frame.dlc);
EXPECT_TRUE(std::equal(can_frame.data, can_frame.data + can_frame.dlc,
reinterpret_cast<const uint8_t*>(&payload_string[0])));
/*
* Comparison
*/
ASSERT_FALSE(Frame() == frame);
ASSERT_TRUE(Frame() != frame);
frame = Frame();
ASSERT_TRUE(Frame() == frame);
ASSERT_FALSE(Frame() != frame);
}
TEST(Frame, MessageParseCompile)
{
using uavcan::Frame;
using uavcan::CanFrame;
using uavcan::TransferID;
using uavcan::TransferType;
Frame frame;
/*
* Priority
* Message Type ID
* Service Not Message
* Source Node ID
*/
const uint32_t can_id =
(16 << 24) | // Priority
(20000 << 8) | // Message Type ID
(0 << 7) | // Service Not Message
(42 << 0); // Source Node ID
const std::string payload_string = "hello\xD4"; // SET = 110, TID = 20
/*
* Parse
*/
// Invalid CAN frames
ASSERT_FALSE(frame.parse(CanFrame(can_id | CanFrame::FlagRTR, (const uint8_t*)"", 0)));
ASSERT_FALSE(frame.parse(makeCanFrame(can_id, payload_string, STD)));
// Valid
ASSERT_TRUE(frame.parse(makeCanFrame(can_id, payload_string, EXT)));
EXPECT_EQ(TransferID(20), frame.getTransferID());
EXPECT_TRUE(frame.isStartOfTransfer());
EXPECT_TRUE(frame.isEndOfTransfer());
EXPECT_FALSE(frame.getToggle());
EXPECT_EQ(uavcan::NodeID(42), frame.getSrcNodeID());
EXPECT_TRUE(frame.getDstNodeID().isBroadcast());
EXPECT_EQ(uavcan::TransferTypeMessageBroadcast, frame.getTransferType());
EXPECT_EQ(20000, frame.getDataTypeID().get());
EXPECT_EQ(16, frame.getPriority().get());
EXPECT_EQ(payload_string.length() - 1, frame.getPayloadLen());
EXPECT_TRUE(std::equal(frame.getPayloadPtr(), frame.getPayloadPtr() + frame.getPayloadLen(),
payload_string.begin()));
std::cout << frame.toString() << std::endl;
/*
* Compile
*/
CanFrame can_frame;
ASSERT_TRUE(frame.parse(makeCanFrame(can_id, payload_string, EXT)));
ASSERT_TRUE(frame.compile(can_frame));
ASSERT_EQ(can_frame, makeCanFrame(can_id, payload_string, EXT));
EXPECT_EQ(payload_string.length(), can_frame.dlc);
std::cout << can_frame.toString() << std::endl;
/*
* FUN FACT: comparison of uint8_t with char may fail on the character 0xD4 (depending on the locale),
* because it will be considered a Unicode character. Hence, we do reinterpret_cast<>.
*/
EXPECT_TRUE(std::equal(can_frame.data, can_frame.data + can_frame.dlc,
reinterpret_cast<const uint8_t*>(&payload_string[0])));
/*
* Comparison
*/
ASSERT_FALSE(Frame() == frame);
ASSERT_TRUE(Frame() != frame);
frame = Frame();
ASSERT_TRUE(Frame() == frame);
ASSERT_FALSE(Frame() != frame);
}