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#include "bin_pack.h"
#include <gtest/gtest.h>
#include <array>
#include <memory>
#include <vector>
#include "bin_unpack.h"
#include "logger.h"
namespace {
TEST(BinPack, TooSmallBufferIsNotExceeded)
{
const uint64_t orig = 1234567812345678LL;
std::array<uint8_t, sizeof(orig) - 1> buf;
EXPECT_FALSE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_u64_b(bp, *static_cast<const uint64_t *>(obj));
},
&orig, nullptr, buf.data(), buf.size()));
}
TEST(BinPack, PackedUint64CanBeUnpacked)
{
const uint64_t orig = 1234567812345678LL;
std::array<uint8_t, 8> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_u64_b(bp, *static_cast<const uint64_t *>(obj));
},
&orig, nullptr, buf.data(), buf.size()));
uint64_t unpacked = 0;
EXPECT_TRUE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) {
return bin_unpack_u64_b(bu, static_cast<uint64_t *>(obj));
},
&unpacked, buf.data(), buf.size()));
EXPECT_EQ(unpacked, 1234567812345678LL);
}
TEST(BinPack, MsgPackedUint8CanBeUnpackedAsUint32)
{
const uint8_t orig = 123;
std::array<uint8_t, 2> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_u08(bp, *static_cast<const uint8_t *>(obj));
},
&orig, nullptr, buf.data(), buf.size()));
uint32_t unpacked = 0;
EXPECT_TRUE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) { return bin_unpack_u32(bu, static_cast<uint32_t *>(obj)); },
&unpacked, buf.data(), buf.size()));
EXPECT_EQ(unpacked, 123);
}
TEST(BinPack, MsgPackedUint32CanBeUnpackedAsUint8IfSmallEnough)
{
const uint32_t orig = 123;
std::array<uint8_t, 2> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_u32(bp, *static_cast<const uint32_t *>(obj));
},
&orig, nullptr, buf.data(), buf.size()));
uint8_t unpacked = 0;
EXPECT_TRUE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) { return bin_unpack_u08(bu, static_cast<uint8_t *>(obj)); },
&unpacked, buf.data(), buf.size()));
EXPECT_EQ(unpacked, 123);
}
TEST(BinPack, LargeMsgPackedUint32CannotBeUnpackedAsUint8)
{
const uint32_t orig = 1234567;
std::array<uint8_t, 5> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_u32(bp, *static_cast<const uint32_t *>(obj));
},
&orig, nullptr, buf.data(), buf.size()));
uint8_t unpacked = 0;
EXPECT_FALSE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) { return bin_unpack_u08(bu, static_cast<uint8_t *>(obj)); },
&unpacked, buf.data(), buf.size()));
}
TEST(BinPack, BinCanHoldPackedInts)
{
struct Stuff {
uint64_t u64;
uint16_t u16;
};
const Stuff orig = {1234567812345678LL, 54321};
static const uint32_t packed_size = sizeof(uint64_t) + sizeof(uint16_t);
std::array<uint8_t, 12> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
const Stuff *self = static_cast<const Stuff *>(obj);
return bin_pack_bin_marker(bp, packed_size) //
&& bin_pack_u64_b(bp, self->u64) //
&& bin_pack_u16_b(bp, self->u16);
},
&orig, nullptr, buf.data(), buf.size()));
Stuff unpacked;
EXPECT_TRUE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) {
Stuff *stuff = static_cast<Stuff *>(obj);
uint32_t size;
return bin_unpack_bin_size(bu, &size) //
&& size == 10 //
&& bin_unpack_u64_b(bu, &stuff->u64) //
&& bin_unpack_u16_b(bu, &stuff->u16);
},
&unpacked, buf.data(), buf.size()));
EXPECT_EQ(unpacked.u64, 1234567812345678LL);
EXPECT_EQ(unpacked.u16, 54321);
}
TEST(BinPack, BinCanHoldArbitraryData)
{
std::array<uint8_t, 7> buf;
EXPECT_TRUE(bin_pack_obj(
[](const void *obj, const Logger *logger, Bin_Pack *bp) {
return bin_pack_bin_marker(bp, 5) //
&& bin_pack_bin_b(bp, reinterpret_cast<const uint8_t *>("hello"), 5);
},
nullptr, nullptr, buf.data(), buf.size()));
std::array<uint8_t, 5> str;
EXPECT_TRUE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) {
uint8_t *data = static_cast<uint8_t *>(obj);
return bin_unpack_bin_fixed(bu, data, 5);
},
str.data(), buf.data(), buf.size()));
EXPECT_EQ(str, (std::array<uint8_t, 5>{'h', 'e', 'l', 'l', 'o'}));
}
TEST(BinPack, OversizedArrayFailsUnpack)
{
std::array<uint8_t, 1> buf = {0x91};
uint32_t size;
EXPECT_FALSE(bin_unpack_obj(
[](void *obj, Bin_Unpack *bu) {
uint32_t *size_ptr = static_cast<uint32_t *>(obj);
return bin_unpack_array(bu, size_ptr);
},
&size, buf.data(), buf.size()));
}
} // namespace
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