Include google test for cmake

PaintTest/gtest.cpp

@@ -0,0 +1,60 @@
+#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
+/*****************************************************************************
+ * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+ *
+ * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
+ * For more information, visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * A full copy of the GNU General Public License can be found in licence.txt
+ *****************************************************************************/
+#pragma endregion
+
+#ifdef USE_GTEST
+#include "gtest/gtest.h"
+
+extern "C" {
+#include "main.h"
+#include "../src/rct2.h"
+}
+
+int main(int argc, char *argv[]) {
+    initHooks();
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}
+
+
+class RidePaintTest : public testing::TestWithParam<uint8> {
+};
+
+TEST_P(RidePaintTest, TestRidePainting) {
+    bool success = testRide(GetParam());
+
+    ASSERT_TRUE(success);
+}
+
+std::vector<uint8> ReadTestCasesFromDisk() {
+    std::vector<uint8> rides;
+
+    for (int i = 0; i < 91; i++) {
+        if (!rideIsImplemented(i)) {
+            continue;
+        }
+        rides.push_back(i);
+    }
+
+    return rides;
+}
+
+INSTANTIATE_TEST_CASE_P(
+        Instab,  // Instantiation name can be chosen arbitrarily.
+        RidePaintTest,
+        testing::ValuesIn(ReadTestCasesFromDisk())
+);
+
+#endif // USE_GTEST