Merge "unittest: StackL2capTest.l2c_lcc_proc_pdu"

#include <gtest/gtest.h>

#include "common/init_flags.h"

#include "device/include/controller.h"

#include "internal_include/bt_trace.h"

#include "stack/btm/btm_int_types.h"

#include "stack/include/l2cap_hci_link_interface.h"

tBTM_CB btm_cb;

extern tL2C_CB l2cb;

void l2c_link_send_to_lower_br_edr(tL2C_LCB* p_lcb, BT_HDR* p_buf);

void l2c_link_send_to_lower_ble(tL2C_LCB* p_lcb, BT_HDR* p_buf);

// Global trace level referred in the code under test

uint8_t appl_trace_level = BT_TRACE_LEVEL_VERBOSE;

extern "C" void LogMsg(uint32_t trace_set_mask, const char* fmt_str, ...) {}

const char* test_flags[] = {

    "INIT_logging_debug_enabled_for_all=true",

    nullptr,

};

namespace {

constexpr uint16_t kAclBufferCountClassic = 123;

constexpr uint8_t kAclBufferCountBle = 45;

}  // namespace

class StackL2capTest : public ::testing::Test {

 protected:

  void SetUp() override {

    bluetooth::common::InitFlags::Load(test_flags);

    l2cb = {};  // TODO Use proper init/free APIs

    bluetooth::common::InitFlags::SetAllForTesting();

    controller_.get_acl_buffer_count_classic = []() {

      return kAclBufferCountClassic;

    };

    controller_.get_acl_buffer_count_ble = []() { return kAclBufferCountBle; };

    controller_.supports_ble = []() -> bool { return true; };

    l2c_init();

  }

  void TearDown() override {

    l2c_free();

    controller_ = {};

  }

  void TearDown() override {}

  controller_t controller_;

};

TEST_F(StackL2capTest, l2cble_process_data_length_change_event) {

  l2cble_process_data_length_change_event(0x1234, 0x001b, 0x001b);

  ASSERT_EQ(0x001b, l2cb.lcb_pool[0].tx_data_len);

}

class StackL2capChannelTest : public StackL2capTest {

 protected:

  void SetUp() override { StackL2capTest::SetUp(); }

  void TearDown() override { StackL2capTest::TearDown(); }

  tL2C_CCB ccb_ = {

      .in_use = true,

      .chnl_state = CST_OPEN,  // tL2C_CHNL_STATE

      .local_conn_cfg =

          {

              // tL2CAP_LE_CFG_INFO

              .result = 0,

              .mtu = 100,

              .mps = 100,

              .credits = L2CAP_LE_CREDIT_DEFAULT,

              .number_of_channels = L2CAP_CREDIT_BASED_MAX_CIDS,

          },

      .peer_conn_cfg =

          {

              // tL2CAP_LE_CFG_INFO

              .result = 0,

              .mtu = 100,

              .mps = 100,

              .credits = L2CAP_LE_CREDIT_DEFAULT,

              .number_of_channels = L2CAP_CREDIT_BASED_MAX_CIDS,

          },

      .is_first_seg = false,

      .ble_sdu = nullptr,     // BT_HDR*; Buffer for storing unassembled sdu

      .ble_sdu_length = 0,    /* Length of unassembled sdu length*/

      .p_next_ccb = nullptr,  // struct t_l2c_ccb* Next CCB in the chain

      .p_prev_ccb = nullptr,  // struct t_l2c_ccb* Previous CCB in the chain

      .p_lcb = nullptr,  // struct t_l2c_linkcb* Link this CCB is assigned to

      .local_cid = 40,

      .remote_cid = 80,

      .l2c_ccb_timer = nullptr,  // alarm_t* CCB Timer Entry

      .p_rcb = nullptr,          // tL2C_RCB* Registration CB for this Channel

      .config_done = 0,          // Configuration flag word

      .remote_config_rsp_result = 0,  // The config rsp result from remote

      .local_id = 12,                 // Transaction ID for local trans

      .remote_id = 22,                // Transaction ID for local

      .flags = 0,

      .connection_initiator = false,

      .our_cfg = {},   // tL2CAP_CFG_INFO Our saved configuration options

      .peer_cfg = {},  // tL2CAP_CFG_INFO Peer's saved configuration options

      .xmit_hold_q = nullptr,  // fixed_queue_t*  Transmit data hold queue

      .cong_sent = false,

      .buff_quota = 0,

      .ccb_priority =

          L2CAP_CHNL_PRIORITY_HIGH,  // tL2CAP_CHNL_PRIORITY Channel priority

      .tx_data_rate = 0,  // tL2CAP_CHNL_PRIORITY  Channel Tx data rate

      .rx_data_rate = 0,  // tL2CAP_CHNL_PRIORITY  Channel Rx data rate

      .ertm_info =

          {

              // .tL2CAP_ERTM_INFO

              .preferred_mode = 0,

          },

      .fcrb =

          {

              // tL2C_FCRB

              .next_tx_seq = 0,

              .last_rx_ack = 0,

              .next_seq_expected = 0,

              .last_ack_sent = 0,

              .num_tries = 0,

              .max_held_acks = 0,

              .remote_busy = false,

              .rej_sent = false,

              .srej_sent = false,

              .wait_ack = false,

              .rej_after_srej = false,

              .send_f_rsp = false,

              .rx_sdu_len = 0,

              .p_rx_sdu =

                  nullptr,  // BT_HDR* Buffer holding the SDU being received

              .waiting_for_ack_q = nullptr,  // fixed_queue_t*

              .srej_rcv_hold_q = nullptr,    // fixed_queue_t*

              .retrans_q = nullptr,          // fixed_queue_t*

              .ack_timer = nullptr,          // alarm_t*

              .mon_retrans_timer = nullptr,  // alarm_t*

          },

      .tx_mps = 0,

      .max_rx_mtu = 0,

      .fcr_cfg_tries = 0,

      .peer_cfg_already_rejected = false,

      .out_cfg_fcr_present = false,

      .is_flushable = false,

      .fixed_chnl_idle_tout = 0,

      .tx_data_len = 0,

      .remote_credit_count = 0,

      .ecoc = false,

      .reconfig_started = false,

      .metrics = {},

  };

};

TEST_F(StackL2capChannelTest, l2c_lcc_proc_pdu__FirstSegment) {

  ccb_.is_first_seg = true;

  BT_HDR* p_buf = (BT_HDR*)osi_calloc(sizeof(BT_HDR) + 32);

  p_buf->len = 32;

  l2c_lcc_proc_pdu(&ccb_, p_buf);

}

TEST_F(StackL2capChannelTest, l2c_lcc_proc_pdu__NextSegment) {

  BT_HDR* p_buf = (BT_HDR*)osi_calloc(sizeof(BT_HDR) + 32);

  p_buf->len = 32;

  l2c_lcc_proc_pdu(&ccb_, p_buf);

}