anbox/tests/anbox/common/binary_writer_tests.cpp

130 lines
3.9 KiB
C++

/*
* Copyright (C) 2017 Simon Fels <morphis@gravedo.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "anbox/common/binary_writer.h"
#include <gmock/gmock.h>
namespace ac = anbox::common;
using namespace ::testing;
TEST(BinaryWriter, WriteUint32) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint32_t) * 2);
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.write_uint32(0x10);
writer.write_uint32(0x3322);
ASSERT_EQ(writer.bytes_written(), 8);
ASSERT_THAT(buffer, ElementsAre(0x10, 0x00, 0x00, 0x00, 0x22, 0x33, 0x00, 0x00));
}
TEST(BinaryWriter, WriteUint32FailsWithExhaustedError) {
std::vector<std::uint8_t> buffer;
ac::BinaryWriter writer(buffer.begin(), buffer.end());
EXPECT_THROW(writer.write_uint32(0x11), std::out_of_range);
}
TEST(BinaryWriter, WriteUint32WithChangedBinaryOrder) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint32_t));
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.set_byte_order(ac::BinaryWriter::Order::Big);
writer.write_uint32(0x11223344);
ASSERT_EQ(writer.bytes_written(), 4);
ASSERT_THAT(buffer, ElementsAre(0x11, 0x22, 0x33, 0x44));
buffer.clear();
buffer.resize(sizeof(std::uint32_t));
writer = ac::BinaryWriter(buffer.begin(), buffer.end());
writer.set_byte_order(ac::BinaryWriter::Order::Little);
writer.write_uint32(0x11223344);
ASSERT_EQ(writer.bytes_written(), 4);
ASSERT_THAT(buffer, ElementsAre(0x44, 0x33, 0x22, 0x11));
}
TEST(BinaryWriter, WriteUint16) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint16_t) * 2);
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.write_uint16(0x10);
writer.write_uint16(0x3322);
ASSERT_EQ(writer.bytes_written(), 4);
ASSERT_THAT(buffer, ElementsAre(0x10, 0x00, 0x22, 0x33));
}
TEST(BinaryWriter, WriteUint16FailsWithExhaustedError) {
std::vector<std::uint8_t> buffer;
ac::BinaryWriter writer(buffer.begin(), buffer.end());
EXPECT_THROW(writer.write_uint16(0x11), std::out_of_range);
}
TEST(BinaryWriter, WriteUint16WithChangedBinaryOrder) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint16_t));
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.set_byte_order(ac::BinaryWriter::Order::Big);
writer.write_uint16(0x1122);
ASSERT_EQ(writer.bytes_written(), 2);
ASSERT_THAT(buffer, ElementsAre(0x11, 0x22));
buffer.clear();
buffer.resize(sizeof(std::uint16_t));
writer = ac::BinaryWriter(buffer.begin(), buffer.end());
writer.set_byte_order(ac::BinaryWriter::Order::Little);
writer.write_uint16(0x1122);
ASSERT_EQ(writer.bytes_written(), 2);
ASSERT_THAT(buffer, ElementsAre(0x22, 0x11));
}
TEST(BinaryWriter, WriteString) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint8_t) * 4);
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.write_string("test", 4);
ASSERT_EQ(writer.bytes_written(), 4);
ASSERT_THAT(buffer, ElementsAre(0x74, 0x65, 0x73, 0x74));
}
TEST(BinaryWriter, WriteStringWithSize) {
std::vector<std::uint8_t> buffer;
buffer.resize(sizeof(std::uint8_t) * 6);
ac::BinaryWriter writer(buffer.begin(), buffer.end());
writer.set_byte_order(ac::BinaryWriter::Order::Big);
writer.write_string_with_size("test");
ASSERT_EQ(writer.bytes_written(), 6);
ASSERT_THAT(buffer, ElementsAre(0x00, 0x04, 0x74, 0x65, 0x73, 0x74));
}