49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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#define BOOST_TEST_DYN_LINK
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#define BOOST_TEST_MODULE core
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#include <boost/test/unit_test.hpp>
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#include "utils/crc.hh"
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#include <seastar/core/print.hh>
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inline
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uint32_t
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do_compute_crc(crc32& c) {
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return c.get();
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}
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template <typename T, typename... Rest>
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inline
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uint32_t
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do_compute_crc(crc32& c, const T& val, const Rest&... rest) {
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c.process(val);
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return do_compute_crc(c, rest...);
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}
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template <typename... T>
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inline
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uint32_t
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compute_crc(const T&... vals) {
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crc32 c;
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return do_compute_crc(c, vals...);
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}
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BOOST_AUTO_TEST_CASE(crc_1_vs_4) {
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using b = uint8_t;
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BOOST_REQUIRE_EQUAL(compute_crc(0x01020304), compute_crc(b(4), b(3), b(2), b(1)));
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}
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BOOST_AUTO_TEST_CASE(crc_121_vs_4) {
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using b = uint8_t;
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using w = uint16_t;
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BOOST_REQUIRE_EQUAL(compute_crc(0x01020304), compute_crc(b(4), w(0x0203), b(1)));
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}
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BOOST_AUTO_TEST_CASE(crc_44_vs_8) {
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using q = uint64_t;
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BOOST_REQUIRE_EQUAL(compute_crc(q(0x0102030405060708)), compute_crc(0x05060708, 0x01020304));
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}
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