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#include <yql/essentials/minikql/pack_num.h>
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/ylimits.h>
Y_UNIT_TEST_SUITE(TPackNumTest) {
static ui32 TEST_DATA_UI32[] = {
0,
0x80,
0x4000,
0x8000,
0x200000,
0x800000,
0x80000000,
Max<ui32>()
};
static ui64 TEST_DATA_UI64[] = {
0ull,
0x80ull,
0x4000ull,
0x8000ull,
0x200000ull,
0x800000ull,
0x10000000ull,
0x80000000ull,
0x800000000ull,
0x8000000000ull,
0x40000000000ull,
0x800000000000ull,
0x2000000000000ull,
0x80000000000000ull,
0x8000000000000000ull,
Max<ui64>()};
static size_t DELTA = 10;
Y_UNIT_TEST(PackUnpack32) {
char buf[10];
for (ui32 num: TEST_DATA_UI32) {
for (ui32 i = num - Min<ui32>(num, DELTA); i < num + Min<ui32>(DELTA, Max<ui32>() - num); ++i) {
size_t packedLen = NKikimr::Pack32(i, buf);
UNIT_ASSERT(packedLen > 0);
UNIT_ASSERT(packedLen <= 5);
UNIT_ASSERT_VALUES_EQUAL(packedLen, NKikimr::GetPack32Length(i));
ui32 unpacked = 0;
size_t unpackedLen = NKikimr::Unpack32(buf, packedLen, unpacked);
UNIT_ASSERT_VALUES_EQUAL(i, unpacked);
UNIT_ASSERT_VALUES_EQUAL(packedLen, unpackedLen);
}
}
}
Y_UNIT_TEST(PackUnpack64) {
char buf[10];
for (ui64 num: TEST_DATA_UI64) {
for (ui64 i = num - Min<ui64>(num, DELTA); i < num + Min<ui64>(DELTA, Max<ui64>() - num); ++i) {
size_t packedLen = NKikimr::Pack64(i, buf);
UNIT_ASSERT(packedLen > 0);
UNIT_ASSERT(packedLen <= 9);
UNIT_ASSERT_VALUES_EQUAL(packedLen, NKikimr::GetPack64Length(i));
ui64 unpacked = 0;
size_t unpackedLen = NKikimr::Unpack64(buf, packedLen, unpacked);
UNIT_ASSERT_VALUES_EQUAL(i, unpacked);
UNIT_ASSERT_VALUES_EQUAL(packedLen, unpackedLen);
}
}
}
}
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