libc/test/src/network/htons_test.cpp

   1 //===-- Unittests for htons -----------------------------------------------===//
   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/htons.h"
  11 #include "src/network/ntohs.h"
  12 #include "test/UnitTest/Test.h"
  13
  14 TEST(LlvmLibcHtons, SmokeTest) {
  15   uint16_t original = 0x2301;
  16   uint16_t swapped = 0x0123;
  17 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
  18   EXPECT_EQ(__llvm_libc::htons(original), swapped);
  19 #endif
  20 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  21   EXPECT_EQ(__llvm_libc::htons(original), original);
  22 #endif
  23 }
  24
  25 TEST(LlvmLibcHtons, CompleteTest) {
  26   uint16_t original = 0x0123;
  27   EXPECT_EQ(__llvm_libc::htons(__llvm_libc::ntohs(original)), original);
  28 }