| /* |
| * |
| * Copyright (c) 2024 Project CHIP Authors |
| * Copyright (c) 2018 Google LLC. |
| * Copyright (c) 2018 Nest Labs, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <cstdint> |
| #include <numeric> |
| |
| #include <lib/support/CHIPMem.h> |
| #include <lib/support/logging/CHIPLogging.h> |
| |
| #define _CHIP_BLE_BLE_H |
| #include <ble/BleLayer.h> |
| #include <ble/BtpEngine.h> |
| |
| #include <gtest/gtest.h> |
| |
| using namespace chip; |
| using namespace chip::Ble; |
| |
| namespace { |
| |
| class TestBtpEngine : public ::testing::Test |
| { |
| public: |
| static void SetUpTestSuite() { ASSERT_EQ(chip::Platform::MemoryInit(), CHIP_NO_ERROR); } |
| static void TearDownTestSuite() { chip::Platform::MemoryShutdown(); } |
| |
| void SetUp() |
| { |
| ASSERT_EQ(mBtpEngine.Init(nullptr, false), CHIP_NO_ERROR); |
| ChipLogDetail(Test, "### Initial BTP Engine State:"); |
| mBtpEngine.LogState(); |
| } |
| |
| void TearDown() |
| { |
| ChipLogDetail(Test, "### Final BTP Engine State:"); |
| mBtpEngine.LogState(); |
| } |
| |
| Ble::BtpEngine mBtpEngine; |
| }; |
| |
| TEST_F(TestBtpEngine, HandleCharacteristicReceivedOnePacket) |
| { |
| constexpr uint8_t packetData0[] = { |
| to_underlying(BtpEngine::HeaderFlags::kStartMessage) | to_underlying(BtpEngine::HeaderFlags::kEndMessage), |
| 0x01, |
| 0x01, |
| 0x00, |
| 0xff, // payload |
| }; |
| |
| auto packet0 = System::PacketBufferHandle::NewWithData(packetData0, sizeof(packetData0)); |
| EXPECT_EQ(packet0->DataLength(), 5); |
| |
| SequenceNumber_t receivedAck; |
| bool didReceiveAck; |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet0), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_Complete); |
| } |
| |
| TEST_F(TestBtpEngine, HandleCharacteristicReceivedTwoPacket) |
| { |
| constexpr uint8_t packetData0[] = { to_underlying(BtpEngine::HeaderFlags::kStartMessage), 0x01, 0x02, 0x00, 0xfe }; |
| constexpr uint8_t packetData1[] = { to_underlying(BtpEngine::HeaderFlags::kEndMessage), 0x02, 0xff }; |
| |
| auto packet0 = System::PacketBufferHandle::NewWithData(packetData0, sizeof(packetData0)); |
| EXPECT_EQ(packet0->DataLength(), 5); |
| |
| SequenceNumber_t receivedAck; |
| bool didReceiveAck; |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet0), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_InProgress); |
| |
| auto packet1 = System::PacketBufferHandle::NewWithData(packetData1, sizeof(packetData1)); |
| EXPECT_EQ(packet1->DataLength(), 3); |
| |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet1), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_Complete); |
| } |
| |
| TEST_F(TestBtpEngine, HandleCharacteristicReceivedThreePacket) |
| { |
| constexpr uint8_t packetData0[] = { to_underlying(BtpEngine::HeaderFlags::kStartMessage), 0x01, 0x03, 0x00, 0xfd }; |
| constexpr uint8_t packetData1[] = { to_underlying(BtpEngine::HeaderFlags::kContinueMessage), 0x02, 0xfe }; |
| constexpr uint8_t packetData2[] = { to_underlying(BtpEngine::HeaderFlags::kEndMessage), 0x03, 0xff }; |
| |
| auto packet0 = System::PacketBufferHandle::NewWithData(packetData0, sizeof(packetData0)); |
| EXPECT_EQ(packet0->DataLength(), 5); |
| |
| SequenceNumber_t receivedAck; |
| bool didReceiveAck; |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet0), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_InProgress); |
| |
| auto packet1 = System::PacketBufferHandle::NewWithData(packetData1, sizeof(packetData1)); |
| EXPECT_EQ(packet1->DataLength(), 3); |
| |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet1), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_InProgress); |
| |
| auto packet2 = System::PacketBufferHandle::NewWithData(packetData2, sizeof(packetData2)); |
| EXPECT_EQ(packet2->DataLength(), 3); |
| |
| EXPECT_EQ(mBtpEngine.HandleCharacteristicReceived(std::move(packet2), receivedAck, didReceiveAck), CHIP_NO_ERROR); |
| EXPECT_EQ(mBtpEngine.RxState(), BtpEngine::kState_Complete); |
| } |
| |
| TEST_F(TestBtpEngine, HandleCharacteristicSendOnePacket) |
| { |
| auto packet0 = System::PacketBufferHandle::New(10); |
| packet0->SetDataLength(1); |
| |
| auto data0 = packet0->Start(); |
| ASSERT_NE(data0, nullptr); |
| std::iota(data0, data0 + 1, 0); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(packet0.Retain(), false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_Complete); |
| EXPECT_EQ(packet0->DataLength(), 5); |
| } |
| |
| TEST_F(TestBtpEngine, HandleCharacteristicSendTwoPacket) |
| { |
| auto packet0 = System::PacketBufferHandle::New(30); |
| packet0->SetDataLength(30); |
| |
| auto data0 = packet0->Start(); |
| ASSERT_NE(data0, nullptr); |
| std::iota(data0, data0 + 30, 0); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(packet0.Retain(), false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_InProgress); |
| EXPECT_EQ(packet0->DataLength(), 20); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(nullptr, false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_Complete); |
| EXPECT_EQ(packet0->DataLength(), 16); |
| } |
| |
| // Send 40-byte payload. |
| // Packet0: 4 byte header + 16 byte payload |
| // Packet1: 2 byte header + 18 byte payload |
| // Packet2: 2 byte header + 6 byte payload |
| TEST_F(TestBtpEngine, HandleCharacteristicSendThreePacket) |
| { |
| auto packet0 = System::PacketBufferHandle::New(40); |
| packet0->SetDataLength(40); |
| |
| auto data0 = packet0->Start(); |
| ASSERT_NE(data0, nullptr); |
| std::iota(data0, data0 + 40, 0); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(packet0.Retain(), false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_InProgress); |
| EXPECT_EQ(packet0->DataLength(), 20); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(nullptr, false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_InProgress); |
| EXPECT_EQ(packet0->DataLength(), 20); |
| |
| EXPECT_TRUE(mBtpEngine.HandleCharacteristicSend(nullptr, false)); |
| EXPECT_EQ(mBtpEngine.TxState(), BtpEngine::kState_Complete); |
| EXPECT_EQ(packet0->DataLength(), 8); |
| } |
| |
| } // namespace |