Draft for unit-tests

extras/test/.gitignore

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+build

extras/test/ArduinoCore-api/Arduino.h

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+#include "api/ArduinoAPI.h"

extras/test/ArduinoCore-api/api/ArduinoAPI.h

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+/*
+  Arduino API main include
+  Copyright (c) 2016 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef ARDUINO_API_H
+#define ARDUINO_API_H
+
+// version 1.5.1
+#define ARDUINO_API_VERSION 10501
+
+#include "Binary.h"
+
+#ifdef __cplusplus
+#include "Interrupts.h"
+#include "IPAddress.h"
+#include "Print.h"
+#include "Printable.h"
+#include "PluggableUSB.h"
+#include "Server.h"
+#include "String.h"
+#include "Stream.h"
+#include "Udp.h"
+#include "USBAPI.h"
+#include "WCharacter.h"
+#endif
+
+/* Standard C library includes */
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <math.h>
+
+// Misc Arduino core functions
+#include "Common.h"
+
+#ifdef __cplusplus
+// Compatibility layer for older code
+#include "Compat.h"
+#endif
+
+#endif