libc/test/src/network/ntohl_test.cpp

   1 //===-- Unittests for ntohl -----------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "src/__support/endian.h"
  10 #include "src/network/htonl.h"
  11 #include "src/network/ntohl.h"
  12 #include "test/UnitTest/Test.h"
  13
  14 TEST(LlvmLibcNtohl, SmokeTest) {
  15   uint32_t original = 0x67452301;
  16   uint32_t swapped = 0x01234567;
  17 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  18   EXPECT_EQ(__llvm_libc::ntohl(original), swapped);
  19 #endif
  20 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  21   EXPECT_EQ(__llvm_libc::ntohl(original), original);
  22 #endif
  23 }
  24
  25 TEST(LlvmLibcNtohl, CompleteTest) {
  26   uint32_t original = 0x01234567;
  27   EXPECT_EQ(__llvm_libc::ntohl(__llvm_libc::htonl(original)), original);
  28 }