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#include <library/cpp/testing/gtest/gtest.h>
#include <library/cpp/yt/string/guid.h>
#include <library/cpp/yt/string/format.h>
#include <util/string/hex.h>
namespace NYT {
namespace {
////////////////////////////////////////////////////////////////////////////////
static_assert(CFormattable<TGuid>);
TString CanonicalToString(TGuid value)
{
return Sprintf("%x-%x-%x-%x",
value.Parts32[3],
value.Parts32[2],
value.Parts32[1],
value.Parts32[0]);
}
const ui32 TrickyValues[] = {
0, 0x1, 0x12, 0x123, 0x1234, 0x12345, 0x123456, 0x1234567, 0x12345678
};
TEST(TGuidTest, FormatAllTricky)
{
for (ui32 a : TrickyValues) {
for (ui32 b : TrickyValues) {
for (ui32 c : TrickyValues) {
for (ui32 d : TrickyValues) {
auto value = TGuid(a, b, c, d);
EXPECT_EQ(CanonicalToString(value), ToString(value));
}
}
}
}
}
TEST(TGuidTest, FormatAllSymbols)
{
const auto Value = TGuid::FromString("12345678-abcdef01-12345678-abcdef01");
EXPECT_EQ(CanonicalToString(Value), ToString(Value));
}
TEST(TGuidTest, ByteOrder)
{
auto guid = TGuid::FromStringHex32("12345678ABCDEF0112345678ABCDEF01");
TString bytes{reinterpret_cast<const char*>(&(guid.Parts32[0])), 16};
EXPECT_EQ(HexEncode(bytes), "01EFCDAB7856341201EFCDAB78563412");
}
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT
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