add cpp interface and unit tests

.travis.yml

@@ -1,19 +1,57 @@
-env:
-  matrix:
-    - export NODE_VERSION="4" CC=clang CXX=clang++ npm_config_clang=1
-    - export NODE_VERSION="6" CC=clang CXX=clang++ npm_config_clang=1
-    - export NODE_VERSION="7" CC=clang CXX=clang++ npm_config_clang=1
+sudo: required
 
+matrix:
+  include:
+    - os: linux
+      compiler: gcc
+      dist: trusty
+      env: NODE_VERSION="4"
+    - os: osx
+      compiler: clang
+      osx_image: xcode8
+      env: NODE_VERSION="4"
+
+    - os: linux
+      compiler: gcc
+      dist: trusty
+      env: NODE_VERSION="6"
+    - os: osx
+      compiler: clang
+      osx_image: xcode8
+      env: NODE_VERSION="6"
+
+    - os: linux
+      compiler: gcc
+      dist: trusty
+      env: NODE_VERSION="7"
+    - os: osx
+      compiler: clang
+      osx_image: xcode8
+      env: NODE_VERSION="7"
+
+    - os: linux
+      compiler: gcc
+      dist: trusty
+      env: NODE_VERSION="8"
+    - os: osx
+      compiler: clang
+      osx_image: xcode8
+      env: NODE_VERSION="8"
+
 branches:
-  only:
-    - master
+#  only:
+#    - master
 
 git:
   depth: 10
 
-compiler: clang
+addons:
+  apt:
+    sources: ['ubuntu-toolchain-r-test']
+    packages: ['g++-6']
 
 before_install:
+  - if [ "$TRAVIS_OS_NAME" = "linux"  ]; then sudo apt-get -qq update;    fi
   - git clone https://github.com/creationix/nvm.git ./.nvm
   - source ./.nvm/nvm.sh
   - nvm install $NODE_VERSION
@@ -22,11 +60,12 @@ before_install:
 install:
   - npm install
 
+before_script:
+  - env
+  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then export CXX="g++-6" CC="gcc-6" && cmake .; fi
+  - if [ "$TRAVIS_OS_NAME" = "osx"   ]; then export npm_config_clang=1 && cmake .;     fi
+
 script:
   - npm test
-
-os:
-- linux
-- osx
-
-sudo: false
+  - cmake --build .
+  - ctest -VV

CMakeLists.txt

@@ -4,6 +4,11 @@ project (${PROJECT_NAME})
 
 message (STATUS "Running CMake version ${CMAKE_VERSION}")
 
+set (CMAKE_CXX_STANDARD 11)
+
 set (NSFW_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/include")
 
+enable_testing()
+
 add_subdirectory (src)
+add_subdirectory (test)

appveyor.yml

@@ -6,16 +6,18 @@ environment:
     - nodejs_version: "6"
     - nodejs_version: "7"
 
-branches:
-  only:
-    - master
+#branches:
+#  only:
+#    - master
 
 # Install scripts. (runs after repo cloning)
 install:
   # Get the latest stable version of Node.js or io.js
   - ps: Install-Product node $env:nodejs_version
   # install modules
   - npm install --msvs_version=2015
+  - cmake .
+  - cmake --build .
 
 # Post-install test scripts.
 test_script:
@@ -24,6 +26,7 @@ test_script:
   - npm --version
   # run tests
   - npm test
+  - ctest -VV
 
 # Don't actually build.
 build: off

binding.gyp

@@ -13,7 +13,7 @@
         "win_delay_load_hook": "false",
         "include_dirs": [
             "<!(node -e \"require('nan')\")",
-            "includes"
+            "include"
         ],
         "conditions": [
             ["OS=='win'", {