* move doctest to root

* check if doctest exists
  and disable tests if it
  does not
* update readme

Author: lpcvoid

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "3rdparty/doctest"]
-	path = 3rdparty/doctest
+[submodule "doctest"]
+	path = doctest
 	url = https://github.com/onqtam/doctest.git

CMakeLists.txt

@@ -23,9 +23,13 @@ set(NETLIB_SRC
 option(BUILD_TESTS "Build tests" ON)
 option(BUILD_EXAMPLES "Build example programs" ON)
 
+if(NOT EXISTS "${CMAKE_SOURCE_DIR}/doctest/CMakeLists.txt")
+    set(BUILD_TESTS OFF)
+endif()
+
 if(BUILD_TESTS)
     # doctest
-    include_directories(3rdparty)
+    include_directories(doctest)
     add_subdirectory(tests)
 endif()
 

README.md

@@ -1,7 +1,5 @@
 # cpp-net-lib
 
-    This lib is under heavy development and not really ready for use yet.
-
 [![All platform build test](https://github.com/lpcvoid/cpp-net-lib/actions/workflows/test_matrix.yml/badge.svg?branch=master)](https://github.com/lpcvoid/cpp-net-lib/actions/workflows/test_matrix.yml)
 
 Modern, header-only, compact and cross-platform C++ network/sockets library. 
@@ -26,6 +24,13 @@ git submodule add https://github.com/lpcvoid/cpp-net-lib.git extern/cpp-net-lib
 
 This will check out the lib as a submodule within your project. Now just `#include "extern/netlib.hpp"` somewhere.
 
+Alternatively, you can run the examples and tests like you would any other CMake based
+project: 
+```shell
+cmake -B build
+cmake --build build
+```
+
 There are some cmake flags you can use:
 
 | Option | Default | Description  |

3rdparty/doctest doctest3rdparty/doctest renamed to doctest

@@ -1,4 +1,4 @@
-#include "../3rdparty/doctest/doctest/doctest.h"
+#include "../doctest/doctest/doctest.h"
 #include "../src/netlib.hpp"
 
 static const std::string basic_get = R"(GET / HTTP/1.1\r\nHost: example.com\r\n\r\n)";

tests/test_client_examplecom.cpp

@@ -1,4 +1,4 @@
-#include "../3rdparty/doctest/doctest/doctest.h"
+#include "../doctest/doctest/doctest.h"
 #include "../src/netlib.hpp"
 #include <iostream>
 #include <random>

tests/test_client_server.cpp

@@ -1,4 +1,4 @@
-#include "../3rdparty/doctest/doctest/doctest.h"
+#include "../doctest/doctest/doctest.h"
 #include "../src/netlib.hpp"
 
 using namespace std::chrono_literals;

tests/test_client_server_disconnect.cpp

@@ -1,5 +1,5 @@
 #define DOCTEST_CONFIG_IMPLEMENT
-#include "../3rdparty/doctest/doctest/doctest.h"
+#include "../doctest/doctest/doctest.h"
 
 int main(int argc, char** argv) {
   doctest::Context context;