Add support for running gtest

.wpilib/wpilib_preferences.json

@@ -1,6 +1,6 @@
 {
   "enableCppIntellisense": true,
   "currentLanguage": "cpp",
-  "projectYear": "2019",
+  "projectYear": "2020",
-  "teamNumber": 0
+  "teamNumber": 9999
 }

build.gradle

@@ -1,9 +1,10 @@
 plugins {
   id 'cpp'
   id 'java'
+  id 'google-test'
   id 'edu.wpi.first.wpilib.repositories.WPILibRepositoriesPlugin' version '2020.2'
   id 'edu.wpi.first.NativeUtils' version '2020.7.4'
-  id 'edu.wpi.first.GradleJni' version '0.10.1'
+  id 'edu.wpi.first.GradleJni' version '0.11.0'
   id 'edu.wpi.first.GradleVsCode' version '0.12.0'
 }
 
@@ -84,7 +85,34 @@ model {
         }
       }
 
-       nativeUtils.useRequiredLibrary(it, "driver_shared")
+      nativeUtils.useRequiredLibrary(it, "driver_shared")
+    }
+  }
+  testSuites {
+    VendorTest {
+        sources.cpp {
+            source {
+                srcDir 'src/test/native/cpp'
+                include '**/*.cpp'
+            }
+        }
+
+        binaries.all {
+          lib library: 'VendorDriver', linkage: 'shared'
+        }
+
+        nativeUtils.useRequiredLibrary(it, "wpilib_executable_shared", "googletest_static")
+    }
+
+    VendorDriverTest {
+        sources.cpp {
+            source {
+                srcDir 'src/test/driver/cpp'
+                include '**/*.cpp'
+            }
+        }
+
+        nativeUtils.useRequiredLibrary(it, "wpilib_executable_shared", "googletest_static")
     }
   }
 }

src/test/driver/cpp/main.cpp

@@ -0,0 +1,6 @@
+#include "gtest/gtest.h"
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}

src/test/native/cpp/main.cpp

@@ -0,0 +1,6 @@
+#include "gtest/gtest.h"
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}