JNI for test coverage #3965

java_console/.idea/runConfigurations/JniSandbox.xml

@@ -0,0 +1,16 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="JniSandbox" type="Application" factoryName="Application" nameIsGenerated="true">
+    <option name="MAIN_CLASS_NAME" value="com.rusefi.native_.JniSandbox" />
+    <module name="io" />
+    <option name="VM_PARAMETERS" value="-Djava.library.path=../unit_tests/build" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="com.rusefi.native_.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

java_console/io/src/test/java/com/rusefi/native_/JniSandbox.java

@@ -0,0 +1,13 @@
+package com.rusefi.native_;
+
+/**
+ * Following VM option is needed to launch:
+ * -Djava.library.path=../unit_tests/build
+ */
+public class JniSandbox {
+    public static void main(String[] args) {
+        System.loadLibrary("lib_rusefi_test");
+        EngineLogic engineLogic = new EngineLogic();
+        System.out.println(engineLogic.getVersion());
+    }
+}

unit_tests/native/native_impl.cpp

@@ -5,6 +5,13 @@
  * @author Andrey Belomutskiy, (c) 2012-2022
  */
 
+#include "pch.h"
+#include "com_rusefi_native__EngineLogic.h"
 
-
+JNIEXPORT jstring JNICALL Java_com_rusefi_native_1_EngineLogic_getVersion(JNIEnv * env, jobject) {
+	const char msg[60] = "Hello from unit tests";
+	const char* fileName = msg;
+	jstring result = env->NewStringUTF(msg);
+	return result;
+}