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#include "gtest/gtest.h"

#include "carrot_core/config.h"
#include "carrot_core/core_types.h"
#include "carrot_core/transcript_fixed.h"
#include "crypto/crypto.h"

#include <cstdint>

TEST(carrot_transcript_fixed, sizeof_sum)
{
    EXPECT_EQ(0, sp::detail::sizeof_sum<>());
    EXPECT_EQ(1, sp::detail::sizeof_sum<unsigned char>());
    EXPECT_EQ(12, (sp::detail::sizeof_sum<uint64_t, uint32_t>()));
}

static constexpr const unsigned char DS1[] = "perspicacious";
static constexpr const unsigned char DS2[] = "recrudescence";

TEST(carrot_transcript_fixed, ts_size)
{
    const auto transcript1 = sp::make_fixed_transcript<DS1>((uint32_t)32);
    EXPECT_EQ(1 + 13 + 4, transcript1.size());

    const auto transcript2 = sp::make_fixed_transcript<DS2>((uint32_t)32, (uint64_t)64);
    EXPECT_EQ(1 + 13 + 4 + 8, transcript2.size());

    // vt = H_3(s_sr || input_context || Ko)
    const auto transcript_vt = sp::make_fixed_transcript<carrot::CARROT_DOMAIN_SEP_VIEW_TAG>(
        carrot::input_context_t{},
        crypto::public_key{});
    EXPECT_EQ(1 + 15 + 33 + 32, transcript_vt.size());
}