xref: /aosp_15_r20/system/libbase/endian_test.cpp (revision 8f0ba417480079999ba552f1087ae592091b9d02)
1*8f0ba417SAndroid Build Coastguard Worker /*
2*8f0ba417SAndroid Build Coastguard Worker  * Copyright (C) 2017 The Android Open Source Project
3*8f0ba417SAndroid Build Coastguard Worker  *
4*8f0ba417SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*8f0ba417SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*8f0ba417SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*8f0ba417SAndroid Build Coastguard Worker  *
8*8f0ba417SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*8f0ba417SAndroid Build Coastguard Worker  *
10*8f0ba417SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*8f0ba417SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*8f0ba417SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*8f0ba417SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*8f0ba417SAndroid Build Coastguard Worker  * limitations under the License.
15*8f0ba417SAndroid Build Coastguard Worker  */
16*8f0ba417SAndroid Build Coastguard Worker 
17*8f0ba417SAndroid Build Coastguard Worker #include "android-base/endian.h"
18*8f0ba417SAndroid Build Coastguard Worker 
19*8f0ba417SAndroid Build Coastguard Worker #include <gtest/gtest.h>
20*8f0ba417SAndroid Build Coastguard Worker 
TEST(endian,constants)21*8f0ba417SAndroid Build Coastguard Worker TEST(endian, constants) {
22*8f0ba417SAndroid Build Coastguard Worker   ASSERT_TRUE(__LITTLE_ENDIAN == LITTLE_ENDIAN);
23*8f0ba417SAndroid Build Coastguard Worker   ASSERT_TRUE(__BIG_ENDIAN == BIG_ENDIAN);
24*8f0ba417SAndroid Build Coastguard Worker   ASSERT_TRUE(__BYTE_ORDER == BYTE_ORDER);
25*8f0ba417SAndroid Build Coastguard Worker 
26*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(__LITTLE_ENDIAN, __BYTE_ORDER);
27*8f0ba417SAndroid Build Coastguard Worker }
28*8f0ba417SAndroid Build Coastguard Worker 
TEST(endian,smoke)29*8f0ba417SAndroid Build Coastguard Worker TEST(endian, smoke) {
30*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint16_t le16 = 0x1234;
31*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint32_t le32 = 0x12345678;
32*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint64_t le64 = 0x123456789abcdef0;
33*8f0ba417SAndroid Build Coastguard Worker 
34*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint16_t be16 = 0x3412;
35*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint32_t be32 = 0x78563412;
36*8f0ba417SAndroid Build Coastguard Worker   static constexpr uint64_t be64 = 0xf0debc9a78563412;
37*8f0ba417SAndroid Build Coastguard Worker 
38*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be16, htons(le16));
39*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be32, htonl(le32));
40*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be64, htonq(le64));
41*8f0ba417SAndroid Build Coastguard Worker 
42*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, ntohs(be16));
43*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, ntohl(be32));
44*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, ntohq(be64));
45*8f0ba417SAndroid Build Coastguard Worker 
46*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be16, htobe16(le16));
47*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be32, htobe32(le32));
48*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(be64, htobe64(le64));
49*8f0ba417SAndroid Build Coastguard Worker 
50*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, betoh16(be16));
51*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, betoh32(be32));
52*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, betoh64(be64));
53*8f0ba417SAndroid Build Coastguard Worker 
54*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, htole16(le16));
55*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, htole32(le32));
56*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, htole64(le64));
57*8f0ba417SAndroid Build Coastguard Worker 
58*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, letoh16(le16));
59*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, letoh32(le32));
60*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, letoh64(le64));
61*8f0ba417SAndroid Build Coastguard Worker 
62*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, be16toh(be16));
63*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, be32toh(be32));
64*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, be64toh(be64));
65*8f0ba417SAndroid Build Coastguard Worker 
66*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le16, le16toh(le16));
67*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le32, le32toh(le32));
68*8f0ba417SAndroid Build Coastguard Worker   ASSERT_EQ(le64, le64toh(le64));
69*8f0ba417SAndroid Build Coastguard Worker }
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