text: /*
   *  Copyright (c) 2016, The OpenThread Authors.
   *  All rights reserved.
   *
   *  Redistribution and use in source and binary forms, with or without
   *  modification, are permitted provided that the following conditions are met:
   *  1. Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *  2. Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *  3. Neither the name of the copyright holder nor the
   *     names of its contributors may be used to endorse or promote products
   *     derived from this software without specific prior written permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   *  POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <stdio.h>
  #include <stdint.h>
  #include <platform/toolchain.h>
  #include <thread/topology.hpp>
  #include "test_util.h"
  
  extern "C" {
      uint32_t otNetifAddress_Size_c();
      uint32_t otNetifAddress_offset_mNext_c();
      otNetifAddress CreateNetif_c();
  }
  
  void test_packed1()
  {
      OT_TOOL_PACKED_BEGIN
      struct packed_t
      {
          uint8_t  mByte;
          uint32_t mWord;
          uint16_t mShort;
      } OT_TOOL_PACKED_END;
  
      CompileTimeAssert(sizeof(packed_t) == 7, "packed_t should be packed to 7 bytes");
  
      VerifyOrQuit(sizeof(packed_t) == 7, "Toolchain::OT_TOOL_PACKED failed 1\n");
  }
  
  void test_packed2()
  {
      OT_TOOL_PACKED_BEGIN
      struct packed_t
      {
          uint8_t mBytes[3];
          uint8_t mByte;
      } OT_TOOL_PACKED_END;
  
      CompileTimeAssert(sizeof(packed_t) == 4, "packed_t should be packed to 4 bytes");
  
      VerifyOrQuit(sizeof(packed_t) == 4, "Toolchain::OT_TOOL_PACKED failed 2\n");
  }
  
  void test_packed_union()
  {
      typedef struct
      {
          uint16_t mField;
      } nested_t;
  
      OT_TOOL_PACKED_BEGIN
      struct packed_t
      {
          uint8_t mBytes[3];
          union
          {
              nested_t mNestedStruct;
              uint8_t  mByte;
          } OT_TOOL_PACKED_FIELD;
      } OT_TOOL_PACKED_END;
  
      CompileTimeAssert(sizeof(packed_t) == 5, "packed_t should be packed to 5 bytes");
  
      VerifyOrQuit(sizeof(packed_t) == 5, "Toolchain::OT_TOOL_PACKED failed 3\n");
  }
  
  void test_packed_enum()
  {
      Thread::Neighbor neighbor;
      neighbor.mState = Thread::Neighbor::kStateValid;
  
      // Make sure that when we read the 3 bit field it is read as unsigned, so it return '4'
      VerifyOrQuit(neighbor.mState == Thread::Neighbor::kStateValid, "Toolchain::OT_TOOL_PACKED failed 4\n");
  }
  
  void test_addr_sizes()
  {
      VerifyOrQuit(offsetof(otNetifAddress, mNext) == otNetifAddress_offset_mNext_c(),
                   "mNext should offset the same in C & C++");
      VerifyOrQuit(sizeof(otNetifAddress) == otNetifAddress_Size_c(), "otNetifAddress should the same in C & C++");
  }
  
  void test_addr_bitfield()
  {
      VerifyOrQuit(CreateNetif_c().mScopeOverrideValid == true, "Toolchain::test_addr_size_cpp\n");
  }
  
  void TestToolchain(void)
  {
      test_packed1();
      test_packed2();
      test_packed_union();
      test_packed_enum();
      test_addr_sizes();
      test_addr_bitfield();
  }
  
  #ifdef ENABLE_TEST_MAIN
  int main(void)
  {
      TestToolchain();
      printf("All tests passed\n");
      return 0;
  }
  #endif
  