feat: Add initial support for PlatformIO and Arduino

.travis.yml

@@ -10,6 +10,12 @@ language: cpp
 # It is more tedious, but grants us far more flexibility.
 matrix:
   include:
+    - os: linux
+      dist: trusty
+      sudo: required
+      group: deprecated-2017Q3
+      install: ./ci/install-platformio.sh
+      script: ./ci/build-platformio.sh      
     - os: linux
       compiler: gcc
       sudo : true
@@ -44,6 +50,9 @@ matrix:
       env: BUILD_TYPE=Release VERBOSE=1 CXX_FLAGS=-std=c++11
       if: type != pull_request
 
+before_install:
+    - chmod -R +x ./ci/*.sh 
+
 # These are the install and build (script) phases for the most common entries in the matrix.  They could be included
 # in each entry in the matrix, but that is just repetitive.
 install:

ci/build-platformio.sh

+# run PlatformIO builds
+platformio run

ci/install-platformio.sh

+# install PlatformIO
+sudo pip install -U platformio
+
+# update PlatformIO
+platformio update

googlemock/src/gmock_main.cc

@@ -32,6 +32,20 @@
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
+#ifdef ARDUINO
+void setup() {
+  int argc = 0;
+  char** argv = nullptr;
+   // Since Google Mock depends on Google Test, InitGoogleMock() is
+  // also responsible for initializing Google Test.  Therefore there's
+  // no need for calling testing::InitGoogleTest() separately.
+  testing::InitGoogleMock(&argc, argv);
+}
+void loop() {
+  RUN_ALL_TESTS();
+}
+#else
+
 // MS C++ compiler/linker has a bug on Windows (not on Windows CE), which
 // causes a link error when _tmain is defined in a static library and UNICODE
 // is enabled. For this reason instead of _tmain, main function is used on
@@ -52,3 +66,5 @@ GTEST_API_ int main(int argc, char** argv) {
   testing::InitGoogleMock(&argc, argv);
   return RUN_ALL_TESTS();
 }
+#endif
+  

googletest/src/gtest_main.cc

@@ -30,8 +30,22 @@
 #include <stdio.h>
 #include "gtest/gtest.h"
 
+#ifdef ARDUINO
+void setup() {
+  int argc = 0;
+  char** argv = nullptr;
+  testing::InitGoogleTest(&argc, argv);
+}
+
+void loop() {
+  RUN_ALL_TESTS();
+}
+
+#else
+
 GTEST_API_ int main(int argc, char **argv) {
   printf("Running main() from %s\n", __FILE__);
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }
+#endif

platformio.ini

+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; http://docs.platformio.org/page/projectconf.html
+
+
+[platformio]
+#src_dir = ./googlemock
+#src_dir = ./googletest
+src_dir = .
+
+[env:googletest_esp32]
+platform = espressif32
+board = esp32dev
+framework = arduino
+build_flags = -I./googletest/include -I./googletest
+src_filter = +<*> -<.git/> -<googlemock> -<googletest/codegear/> -<googletest/samples> -<googletest/test/> -<googletest/xcode> -<googletest/src> +<googletest/src/gtest-all.cc> +<googletest/src/gtest_main.cc>
+upload_speed = 921600
+
+[env:googlemock_esp32]
+platform = espressif32
+board = esp32dev
+framework = arduino
+build_flags = -I./googlemock/include -I./googletest/include -I./googletest -I./googlemock
+src_filter = +<*> -<.git/> -<googletest> -<googlemock/test/> -<googlemock/src> +<googlemock/src/gmock-all.cc> +<googlemock/src/gmock_main.cc> +<googletest/src/gtest-all.cc>
+upload_speed = 921600