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serializer_tests.cpp
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serializer_tests.cpp
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// Copyright 2017 The Native Object Protocols Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <algorithm>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <limits>
#include <memory>
#include <vector>
#include <nop/base/utility.h>
#include <nop/serializer.h>
#include <nop/structure.h>
#include <nop/table.h>
#include <nop/value.h>
#include "mock_reader.h"
#include "mock_writer.h"
#include "test_reader.h"
#include "test_utilities.h"
#include "test_writer.h"
using nop::Append;
using nop::Compose;
using nop::DefaultHandlePolicy;
using nop::DeletedEntry;
using nop::Deserializer;
using nop::EnableIfIntegral;
using nop::Encoding;
using nop::EncodingByte;
using nop::Entry;
using nop::ErrorStatus;
using nop::Float;
using nop::Handle;
using nop::Integer;
using nop::Serializer;
using nop::Status;
using nop::TestReader;
using nop::TestWriter;
using nop::Variant;
using nop::testing::MockReader;
using nop::testing::MockWriter;
using ::testing::AtLeast;
using ::testing::DoAll;
using ::testing::Eq;
using ::testing::Gt;
using ::testing::Invoke;
using ::testing::NotNull;
using ::testing::Return;
using ::testing::SetArgPointee;
using ::testing::_;
namespace {
struct TestA {
int a;
std::string b;
bool operator==(const TestA& other) const {
return a == other.a && b == other.b;
}
private:
NOP_STRUCTURE(TestA, a, b);
};
enum class EnumA : std::uint8_t {
A = 1,
B = 127,
C = 128,
D = 255,
};
struct TestB {
TestA a;
EnumA b;
bool operator==(const TestB& other) const {
return a == other.a && b == other.b;
}
private:
NOP_STRUCTURE(TestB, a, b);
};
struct TestC {
NOP_STRUCTURE(TestC);
};
struct TestD {
int a;
EnumA b;
std::string c;
bool operator==(const TestD& other) const {
return a == other.a && b == other.b && c == other.c;
}
};
NOP_EXTERNAL_STRUCTURE(TestD, a, b, c);
template <typename T>
struct TestE {
T a;
std::vector<T> b;
bool operator==(const TestE& other) const {
return a == other.a && b == other.b;
}
};
NOP_EXTERNAL_STRUCTURE(TestE, a, b);
template <typename T, typename U>
struct TestF {
T a;
U b;
bool operator==(const TestF& other) const {
return a == other.a && b == other.b;
}
};
NOP_EXTERNAL_STRUCTURE(TestF, a, b);
struct TestG {
int a;
TestF<int, std::string> b;
bool operator==(const TestG& other) const {
return a == other.a && b == other.b;
}
private:
NOP_STRUCTURE(TestG, a, b);
};
struct TestH {
char data[128];
unsigned char size;
};
NOP_EXTERNAL_STRUCTURE(TestH, (data, size));
struct TestH2 {
std::array<char, 128> data;
unsigned char size;
};
NOP_EXTERNAL_STRUCTURE(TestH2, (data, size));
struct TestI {
std::string names[5];
std::size_t size;
bool operator==(const TestI& other) const {
if (size != other.size)
return false;
for (std::size_t i = 0; i < size; i++) {
if (names[i] != other.names[i])
return false;
}
return true;
}
NOP_STRUCTURE(TestI, (names, size));
};
// A special rule allows data to be read/written past the end of the structure
// when a logical buffer pair has an array part of size 1 at the end of the
// structure. This permits serialization of the common dynamically sized buffer
// pattern in C code.
template <typename T>
struct TestJ {
size_t size;
T data[1];
};
NOP_EXTERNAL_STRUCTURE(TestJ, (data, size));
NOP_EXTERNAL_UNBOUNDED_BUFFER(TestJ);
template <typename T>
std::unique_ptr<TestJ<T>, decltype(&std::free)> MakeTestJ(
std::size_t capacity) {
return {static_cast<TestJ<T>*>(
std::calloc(1, offsetof(TestJ<T>, data) + capacity)),
&std::free};
}
template <typename T, std::size_t Size>
auto MakeTestJ(const T (&data)[Size]) {
auto value = MakeTestJ<T>(Size);
std::copy(&data[0], &data[Size], &value->data[0]);
value->size = Size;
return value;
}
struct TableA1 {
TableA1() = default;
TableA1(std::string name) : name{std::move(name)} {}
TableA1(std::vector<std::string> attributes)
: attributes{std::move(attributes)} {}
TableA1(std::string name, std::vector<std::string> attributes)
: name{std::move(name)}, attributes{std::move(attributes)} {}
bool operator==(const TableA1& other) const {
return name == other.name && attributes == other.attributes;
}
Entry<std::string, 0> name;
Entry<std::vector<std::string>, 1> attributes;
NOP_TABLE_HASH(15, TableA1, name, attributes);
};
struct TableA2 {
TableA2() = default;
TableA2(std::string name) : name{std::move(name)} {}
TableA2(std::string name, std::string address)
: name{std::move(name)}, address{std::move(address)} {}
bool operator==(const TableA2& other) const {
return name == other.name && address == other.address;
}
Entry<std::string, 0> name;
Entry<std::vector<std::string>, 1, DeletedEntry> attributes;
Entry<std::string, 2> address;
NOP_TABLE_HASH(15, TableA2, name, attributes, address);
};
template <typename T>
struct ValueWrapper {
T value;
NOP_VALUE(ValueWrapper, value);
};
template <typename T, std::size_t Length>
struct ArrayWrapper {
std::array<T, Length> data{};
std::size_t size{0};
NOP_VALUE(ArrayWrapper, (data, size));
};
template <typename T>
struct CDynamicArray {
std::size_t size;
T data[1];
NOP_VALUE(CDynamicArray, (data, size));
NOP_UNBOUNDED_BUFFER(CDynamicArray);
};
template <typename T>
std::unique_ptr<CDynamicArray<T>, decltype(&std::free)> MakeCDynamicArray(
std::size_t capacity) {
return {static_cast<CDynamicArray<T>*>(
std::calloc(1, offsetof(CDynamicArray<T>, data) + capacity)),
&std::free};
}
template <typename T, std::size_t Size>
auto MakeCDynamicArray(const T (&data)[Size]) {
auto value = MakeCDynamicArray<T>(Size);
std::copy(&data[0], &data[Size], &value->data[0]);
value->size = Size;
return value;
}
} // anonymous namespace
#if 0
// This test verifies that the compiler outputs a custom error message when an
// unsupported type is pass to the serializer.
TEST(Serializer, None) {
TestWriter writer;
Serializer<TestWriter> serializer{&writer};
struct None {};
auto status = serializer.Write(None{});
ASSERT_TRUE(status);
}
#endif
TEST(Deserializer, FailOnMatchPrefix) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(1)
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Binary)),
Return(Status<void>{})));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
bool value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::UnexpectedEncodingType, status.error());
}
TEST(Deserializer, FailOnReadArithmetic) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(1)
.WillOnce(
DoAll(SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::U8)),
Return(Status<void>{})));
EXPECT_CALL(reader, Read(NotNull(), NotNull()))
.Times(1)
.WillOnce(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Skip(_)).Times(0);
std::uint8_t value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Serializer, bool) {
std::vector<std::uint8_t> expected;
TestWriter writer;
Serializer<TestWriter*> serializer{&writer};
EXPECT_EQ(1U, serializer.GetSize(true));
EXPECT_EQ(1U, serializer.GetSize(false));
auto status = serializer.Write(true);
ASSERT_TRUE(status);
expected = Compose(true);
EXPECT_EQ(expected, writer.data());
writer.clear();
status = serializer.Write(false);
ASSERT_TRUE(status);
expected = Compose(false);
EXPECT_EQ(expected, writer.data());
writer.clear();
}
TEST(Deserializer, bool) {
TestReader reader;
Deserializer<TestReader*> deserializer{&reader};
bool value;
reader.Set(Compose(EncodingByte::True));
auto status = deserializer.Read(&value);
ASSERT_TRUE(status);
EXPECT_EQ(true, value);
reader.Set(Compose(EncodingByte::False));
status = deserializer.Read(&value);
ASSERT_TRUE(status);
EXPECT_EQ(false, value);
}
TEST(Serializer, IntegerVectorFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::uint8_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerVectorFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::string> value = {"a", "b", "c", "d"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerVectorFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Binary)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::uint8_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerVectorFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Array)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::string> value = {"a", "b", "c", "d"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerVectorFailOnWriteLengthPrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Binary)))
.Times(1)
.WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Write(4))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::uint8_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerVectorFailOnWriteLengthPrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Array)))
.Times(1)
.WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Write(4))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::string> value = {"a", "b", "c", "d"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerVectorFailOnWritePayload) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
// Writer::Prepare() indicates write possible and write prefix succeeds but
// encoding length fails.
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(4)).Times(1).WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Binary)))
.Times(1)
.WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::uint8_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerVectorFailOnWritePayload) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
// Writer::Prepare() indicates write possible and write prefix succeeds but
// encoding length fails.
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::String)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(4)).Times(1).WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Array)))
.Times(1)
.WillOnce(Return(Status<void>{}));
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::vector<std::string> value = {"a", "b", "c", "d"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Deserializer, IntegerVectorFailOnReadPrefix) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::uint8_t> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, NonIntegerVectorFailOnReadPrefix) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::string> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, IntegerVectorFailOnReadLengthPrefix) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(2))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Binary)),
Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::uint8_t> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, NonIntegerFailOnReadLengthPrefix) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(2))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Array)),
Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::string> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, IntegerVectorFailOnInvalidLength) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(2))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Binary)),
Return(Status<void>{})))
.WillOnce(DoAll(SetArgPointee<0>(1), Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::uint16_t> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::InvalidContainerLength, status.error());
}
TEST(Deserializer, IntegerVectorFailOnEnsure) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
std::size_t length_bytes = 2 * sizeof(std::uint16_t);
EXPECT_CALL(reader, Ensure(length_bytes))
.Times(1)
.WillOnce(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(2))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Binary)),
Return(Status<void>{})))
.WillOnce(DoAll(SetArgPointee<0>(length_bytes), Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::uint16_t> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, IntegerVectorFailOnReadElements) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(2)).Times(1).WillOnce(Return(Status<void>{}));
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(2))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Binary)),
Return(Status<void>{})))
.WillOnce(DoAll(SetArgPointee<0>(2), Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(NotNull(), NotNull()))
.Times(1)
.WillOnce(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::uint8_t> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Deserializer, NonIntegerVectorFailOnReadElement) {
MockReader reader;
Deserializer<MockReader*> deserializer{&reader};
Status<void> status;
EXPECT_CALL(reader, Ensure(_)).Times(0);
EXPECT_CALL(reader, Read(_))
.Times(AtLeast(3))
.WillOnce(DoAll(
SetArgPointee<0>(static_cast<std::uint8_t>(EncodingByte::Array)),
Return(Status<void>{})))
.WillOnce(DoAll(SetArgPointee<0>(2), Return(Status<void>{})))
.WillRepeatedly(Return(ErrorStatus::ReadLimitReached));
EXPECT_CALL(reader, Read(_, _)).Times(0);
EXPECT_CALL(reader, Skip(_)).Times(0);
std::vector<std::string> value;
status = deserializer.Read(&value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::ReadLimitReached, status.error());
}
TEST(Serializer, Vector) {
std::vector<std::uint8_t> expected;
TestWriter writer;
Serializer<TestWriter*> serializer{&writer};
Status<void> status;
{
std::vector<std::uint8_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
ASSERT_TRUE(status);
expected = Compose(EncodingByte::Binary, 4, 1, 2, 3, 4);
EXPECT_EQ(expected, writer.data());
writer.clear();
}
{
std::vector<int> value = {1, 2, 3, 4};
status = serializer.Write(value);
ASSERT_TRUE(status);
expected = Compose(EncodingByte::Binary, 4 * sizeof(int), Integer<int>(1),
Integer<int>(2), Integer<int>(3), Integer<int>(4));
EXPECT_EQ(expected, writer.data());
writer.clear();
}
{
std::vector<std::int64_t> value = {1, 2, 3, 4};
status = serializer.Write(value);
ASSERT_TRUE(status);
expected = Compose(EncodingByte::Binary, 4 * sizeof(std::int64_t),
Integer<std::int64_t>(1), Integer<std::int64_t>(2),
Integer<std::int64_t>(3), Integer<std::int64_t>(4));
EXPECT_EQ(expected, writer.data());
writer.clear();
}
{
std::vector<std::string> value = {"abc", "def", "123", "456"};
status = serializer.Write(value);
ASSERT_TRUE(status);
expected = Compose(EncodingByte::Array, 4, EncodingByte::String, 3, "abc",
EncodingByte::String, 3, "def", EncodingByte::String, 3,
"123", EncodingByte::String, 3, "456");
EXPECT_EQ(expected, writer.data());
writer.clear();
}
}
TEST(Deserializer, Vector) {
TestReader reader;
Deserializer<TestReader*> deserializer{&reader};
Status<void> status;
{
reader.Set(Compose(EncodingByte::Binary, 4, 1, 2, 3, 4));
std::vector<std::uint8_t> value;
status = deserializer.Read(&value);
ASSERT_TRUE(status);
std::vector<std::uint8_t> expected = {1, 2, 3, 4};
EXPECT_EQ(expected, value);
}
{
reader.Set(Compose(EncodingByte::Binary, 4 * sizeof(int), Integer<int>(1),
Integer<int>(2), Integer<int>(3), Integer<int>(4)));
std::vector<int> value;
status = deserializer.Read(&value);
ASSERT_TRUE(status);
std::vector<int> expected = {1, 2, 3, 4};
EXPECT_EQ(expected, value);
}
{
reader.Set(Compose(EncodingByte::Binary, 4 * sizeof(std::uint64_t),
Integer<std::uint64_t>(1), Integer<std::uint64_t>(2),
Integer<std::uint64_t>(3), Integer<std::uint64_t>(4)));
std::vector<std::uint64_t> value;
status = deserializer.Read(&value);
ASSERT_TRUE(status);
std::vector<std::uint64_t> expected = {1, 2, 3, 4};
EXPECT_EQ(expected, value);
}
{
reader.Set(Compose(EncodingByte::Array, 4, EncodingByte::String, 3, "abc",
EncodingByte::String, 3, "def", EncodingByte::String, 3,
"123", EncodingByte::String, 3, "456"));
std::vector<std::string> value;
status = deserializer.Read(&value);
ASSERT_TRUE(status);
std::vector<std::string> expected = {"abc", "def", "123", "456"};
EXPECT_EQ(expected, value);
}
}
TEST(Serializer, IntegerStdArrayFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::array<std::uint8_t, 4> value = {{1, 2, 3, 4}};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerCArrayFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::uint8_t value[4] = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerStdArrayFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::array<std::string, 4> value = {{"1", "2", "3", "4"}};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerCArrayFailOnPrepare) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
// Writer::Prepare() immediately indicates no writes possible.
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_)).Times(0);
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::string value[4] = {"1", "2", "3", "4"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerStdArrayFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Binary)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::array<std::uint8_t, 4> value = {{1, 2, 3, 4}};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerCArrayFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Binary)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::uint8_t value[4] = {1, 2, 3, 4};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerStdArrayFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Array)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::array<std::string, 4> value = {{"1", "2", "3", "4"}};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, NonIntegerCArrayFailOnWritePrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;
EXPECT_CALL(writer, Prepare(Gt(0U)))
.Times(AtLeast(1))
.WillOnce(Return(Status<void>{}))
.WillRepeatedly(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(static_cast<std::uint8_t>(EncodingByte::Array)))
.Times(1)
.WillOnce(Return(ErrorStatus::WriteLimitReached));
EXPECT_CALL(writer, Write(_, _)).Times(0);
EXPECT_CALL(writer, Skip(_, _)).Times(0);
std::string value[4] = {"1", "2", "3", "4"};
status = serializer.Write(value);
EXPECT_FALSE(status);
EXPECT_EQ(ErrorStatus::WriteLimitReached, status.error());
}
TEST(Serializer, IntegerStdArrayFailOnWriteLengthPrefix) {
MockWriter writer;
Serializer<MockWriter*> serializer{&writer};
Status<void> status;