initial unit test

Author: melode11

.gitignore

@@ -1 +1,2 @@
 build/
+**/*.user

test/CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8)
+include(${CMAKE_CURRENT_SOURCE_DIR}/../CMakeLists.txt)
+find_package(Boost ${BOOST_VER} REQUIRED COMPONENTS unit_test_framework) 
+add_executable(sio_test sio_test.cpp)
+target_link_libraries(sioclient PRIVATE ${Boost_LIBRARIES})
+target_link_libraries(sio_test sioclient)
+target_include_directories(sio_test PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../src"  ${Boost_INCLUDE_DIRS} )

test/README.md

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+Use following instruction to build.
+```bash
+cmake -DBOOST_LIB=D:\boost_1_57_0\boost_1_57_0\build\lib -DBOOST_INCLUDE=D:\boost_1_57_0\boost_1_57_0 -DBOOST_VER:STRING=1.57.0 -DCMAKE_BUILD_TYPE=Debug ./
+```

test/sio_test.cpp

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+//
+//  sio_test_sample.cpp
+//
+//  Created by Melo Yao on 3/24/15.
+//
+
+#include <sio_client.h>
+#include <internal/sio_packet.h>
+#include <functional>
+#include <iostream>
+#include <thread>
+
+#define BOOST_TEST_MODULE sio_test
+#include <boost/test/unit_test.hpp>
+
+using namespace sio;
+BOOST_AUTO_TEST_SUITE(packet_test)
+
+BOOST_AUTO_TEST_CASE( packet_test_construct_1 )
+{
+    packet p("nsp",nullptr,1001,true);
+    BOOST_CHECK(p.get_frame() == packet::frame_message);
+    BOOST_CHECK(p.get_message() == nullptr);
+    BOOST_CHECK(p.get_nsp() == std::string("nsp"));
+    BOOST_CHECK(p.get_pack_id() == 1001);
+}
+
+BOOST_AUTO_TEST_CASE( packet_test_construct_2 )
+{
+    packet p(packet::frame_ping);
+    BOOST_CHECK(p.get_frame() == packet::frame_ping);
+    BOOST_CHECK(p.get_message() == nullptr);
+    BOOST_CHECK(p.get_nsp() == std::string(""));
+    BOOST_CHECK(p.get_pack_id() == 0xFFFFFFFF);
+}
+
+BOOST_AUTO_TEST_CASE( packet_test_construct_3 )
+{
+    packet p(packet::type_connect,"nsp",nullptr);
+    BOOST_CHECK(p.get_frame() == packet::frame_message);
+    BOOST_CHECK(p.get_type() == packet::type_connect);
+    BOOST_CHECK(p.get_message() == nullptr);
+    BOOST_CHECK(p.get_nsp() == std::string("nsp"));
+    BOOST_CHECK(p.get_pack_id() == 0xFFFFFFFF);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+