47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <netinet/udp.h>
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#include <gtest/gtest.h>
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#if defined(__BIONIC__)
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#define UDPHDR_USES_ANON_UNION
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#elif defined(__GLIBC_PREREQ)
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#if __GLIBC_PREREQ(2, 18)
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#define UDPHDR_USES_ANON_UNION
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#endif
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#endif
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TEST(netinet_udp, compat) {
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#if defined(UDPHDR_USES_ANON_UNION)
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static_assert(offsetof(udphdr, uh_sport) == offsetof(udphdr, source), "udphdr::source");
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static_assert(offsetof(udphdr, uh_dport) == offsetof(udphdr, dest), "udphdr::dest");
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static_assert(offsetof(udphdr, uh_ulen) == offsetof(udphdr, len), "udphdr::len");
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static_assert(offsetof(udphdr, uh_sum) == offsetof(udphdr, check), "udphdr::check");
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udphdr u;
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u.uh_sport = 0x1111;
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u.uh_dport = 0x2222;
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u.uh_ulen = 0x3333;
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u.uh_sum = 0x4444;
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ASSERT_EQ(0x1111, u.source);
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ASSERT_EQ(0x2222, u.dest);
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ASSERT_EQ(0x3333, u.len);
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ASSERT_EQ(0x4444, u.check);
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#endif
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}
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