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