Adds CPP version of vision pipeline (#399)

wpilibcIntegrationTests/src/VisionTest.cpp

@@ -0,0 +1,27 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "vision/VisionRunner.h"
+
+using namespace frc;
+
+class VisionTester : public VisionPipeline {
+ public:
+  virtual ~VisionTester() = default;
+  void Process(cv::Mat& mat) override {}
+  void TestThing() {}
+};
+
+void TestVisionInitialization() {
+  cs::CvSource source;
+  VisionTester tester;
+  VisionRunner<VisionTester> runner(source, &tester,
+                                    [](VisionTester& t) { t.TestThing(); });
+
+  runner.RunOnce();
+  runner.RunForever();
+}