3f79d13aff
This patch adds the `IN6_IS_ADDR_MULTICAST` macro, which checks whether an address is multicast address.
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
//===-- Unittests for netinet/in macro ------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "include/llvm-libc-macros/netinet-in-macros.h"
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#include "test/UnitTest/Test.h"
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TEST(LlvmLibcNetinetInTest, IN6Macro) {
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char buff[16] = {};
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EXPECT_TRUE(IN6_IS_ADDR_UNSPECIFIED(buff));
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for (int i = 0; i < 16; ++i) {
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buff[i] = 1;
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EXPECT_FALSE(IN6_IS_ADDR_UNSPECIFIED(buff));
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buff[i] = 0;
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}
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EXPECT_FALSE(IN6_IS_ADDR_LOOPBACK(buff));
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buff[15] = 1;
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EXPECT_TRUE(IN6_IS_ADDR_LOOPBACK(buff));
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buff[15] = 0;
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EXPECT_FALSE(IN6_IS_ADDR_MULTICAST(buff));
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buff[0] = 0xff;
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EXPECT_TRUE(IN6_IS_ADDR_MULTICAST(buff));
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buff[0] = 0;
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buff[0] = 0xfe;
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buff[1] = 0x80;
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EXPECT_TRUE(IN6_IS_ADDR_LINKLOCAL(buff));
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buff[0] = 0xff;
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buff[1] = 0x80;
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EXPECT_FALSE(IN6_IS_ADDR_LINKLOCAL(buff));
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buff[0] = 0xfe;
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buff[1] = 0xc0;
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EXPECT_TRUE(IN6_IS_ADDR_SITELOCAL(buff));
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buff[0] = 0xff;
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buff[1] = 0x80;
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EXPECT_FALSE(IN6_IS_ADDR_SITELOCAL(buff));
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}
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