--- /dev/null
+/*
+ * 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));
+}