xref: /aosp_15_r20/external/llvm-libc/test/src/network/ntohs_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead) 
1 //===-- Unittests for ntohs -----------------------------------------------===//
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_internal.h"
10 #include "src/network/htons.h"
11 #include "src/network/ntohs.h"
12 #include "test/UnitTest/Test.h"
13 
TEST(LlvmLibcNtohs,SmokeTest)14 TEST(LlvmLibcNtohs, SmokeTest) {
15   uint16_t original = 0x2301;
16   uint16_t swapped = 0x0123;
17 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
18   EXPECT_EQ(LIBC_NAMESPACE::ntohs(original), swapped);
19 #endif
20 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
21   EXPECT_EQ(LIBC_NAMESPACE::ntohs(original), original);
22 #endif
23 }
24 
TEST(LlvmLibcNtohs,CompleteTest)25 TEST(LlvmLibcNtohs, CompleteTest) {
26   uint16_t original = 0x0123;
27   EXPECT_EQ(LIBC_NAMESPACE::ntohs(LIBC_NAMESPACE::htons(original)), original);
28 }
29