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This is one of those little chores in managing a long-lived C++ project: standard C headers like stdio.h and math.h now have their own place in the C++ standard as resp. cstdio, cmath, and so on. In this branch the #include names are updated for the util/ subdirectory; more branches to follow. C++11 adds cstdint, but to support compilation with the previous standard, that change is left for later.
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#include "util/bit_packing.hh"
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#define BOOST_TEST_MODULE BitPackingTest
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#include <boost/test/unit_test.hpp>
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#include <cstring>
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namespace util {
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namespace {
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const uint64_t test57 = 0x123456789abcdefULL;
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const uint32_t test25 = 0x1234567;
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BOOST_AUTO_TEST_CASE(ZeroBit57) {
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char mem[16];
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memset(mem, 0, sizeof(mem));
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WriteInt57(mem, 0, 57, test57);
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BOOST_CHECK_EQUAL(test57, ReadInt57(mem, 0, 57, (1ULL << 57) - 1));
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}
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BOOST_AUTO_TEST_CASE(EachBit57) {
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char mem[16];
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for (uint8_t b = 0; b < 8; ++b) {
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memset(mem, 0, sizeof(mem));
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WriteInt57(mem, b, 57, test57);
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BOOST_CHECK_EQUAL(test57, ReadInt57(mem, b, 57, (1ULL << 57) - 1));
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}
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}
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BOOST_AUTO_TEST_CASE(Consecutive57) {
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char mem[57+8];
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memset(mem, 0, sizeof(mem));
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for (uint64_t b = 0; b < 57 * 8; b += 57) {
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WriteInt57(mem, b, 57, test57);
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BOOST_CHECK_EQUAL(test57, ReadInt57(mem, b, 57, (1ULL << 57) - 1));
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}
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for (uint64_t b = 0; b < 57 * 8; b += 57) {
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BOOST_CHECK_EQUAL(test57, ReadInt57(mem, b, 57, (1ULL << 57) - 1));
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}
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}
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BOOST_AUTO_TEST_CASE(Consecutive25) {
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char mem[25+8];
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memset(mem, 0, sizeof(mem));
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for (uint64_t b = 0; b < 25 * 8; b += 25) {
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WriteInt25(mem, b, 25, test25);
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BOOST_CHECK_EQUAL(test25, ReadInt25(mem, b, 25, (1ULL << 25) - 1));
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}
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for (uint64_t b = 0; b < 25 * 8; b += 25) {
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BOOST_CHECK_EQUAL(test25, ReadInt25(mem, b, 25, (1ULL << 25) - 1));
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}
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}
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BOOST_AUTO_TEST_CASE(Sanity) {
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BitPackingSanity();
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}
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} // namespace
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} // namespace util
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