BAEL-4234: example of JNI registerNatives() method (#11745)

* BAEL-4234: example of JNI registerNatives() method * fixed formatting in the cpp file * removed camelcase in test package name
2022-02-19 05:19:07 +01:00
parent 4bb39341c1
commit 13a7a1d7eb
5 changed files with 96 additions and 1 deletions
@@ -0,0 +1,26 @@
+package com.baeldung.jni.registernatives;
+
+import com.baeldung.jni.RegisterNativesHelloWorldJNI;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class JNIRegisterNativesManualTest {
+    @Before
+    public void setup() {
+        System.loadLibrary("native");
+    }
+
+    @Test
+    public void whenRegisteredNativeHelloWorld_thenOutputIsAsExpected() {
+        RegisterNativesHelloWorldJNI helloWorld = new RegisterNativesHelloWorldJNI();
+        helloWorld.register();
+
+        String helloFromNative = helloWorld.sayHello();
+
+        assertNotNull(helloFromNative);
+        assertTrue(helloFromNative.equals("Hello from registered native C++ !!"));
+    }
+}