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-rw-r--r--src/it/it0003-jni/src/main/c/HelloWorldJNI.c5
-rw-r--r--src/it/it0003-jni/src/main/java/it0003/HelloWorldJNI.java3
-rw-r--r--src/it/it0003-jni/src/test/java/it0003/test/HelloWorldJNITest.java7
3 files changed, 15 insertions, 0 deletions
diff --git a/src/it/it0003-jni/src/main/c/HelloWorldJNI.c b/src/it/it0003-jni/src/main/c/HelloWorldJNI.c
index f663a54..6126a9c 100644
--- a/src/it/it0003-jni/src/main/c/HelloWorldJNI.c
+++ b/src/it/it0003-jni/src/main/c/HelloWorldJNI.c
@@ -33,3 +33,8 @@ JNIEXPORT jstring JNICALL Java_it0003_HelloWorldJNI_sayHello( JNIEnv *env, jobje
return value;
}
+JNIEXPORT jint JNICALL Java_it0003_HelloWorldJNI_timesHello
+ (JNIEnv *env, jobject obj, jint x, jint y) {
+ return x * y;
+}
+
diff --git a/src/it/it0003-jni/src/main/java/it0003/HelloWorldJNI.java b/src/it/it0003-jni/src/main/java/it0003/HelloWorldJNI.java
index 8a5284f..94a027b 100644
--- a/src/it/it0003-jni/src/main/java/it0003/HelloWorldJNI.java
+++ b/src/it/it0003-jni/src/main/java/it0003/HelloWorldJNI.java
@@ -27,10 +27,13 @@ public class HelloWorldJNI
}
public final native String sayHello();
+ public final native int timesHello(int x, int y);
public static void main( String[] args )
{
HelloWorldJNI app = new HelloWorldJNI();
System.out.println( app.sayHello() );
+
+ System.out.println( app.timesHello(5, 7) );
}
}
diff --git a/src/it/it0003-jni/src/test/java/it0003/test/HelloWorldJNITest.java b/src/it/it0003-jni/src/test/java/it0003/test/HelloWorldJNITest.java
index 15b85b5..b3cbc50 100644
--- a/src/it/it0003-jni/src/test/java/it0003/test/HelloWorldJNITest.java
+++ b/src/it/it0003-jni/src/test/java/it0003/test/HelloWorldJNITest.java
@@ -31,4 +31,11 @@ public class HelloWorldJNITest
HelloWorldJNI app = new HelloWorldJNI();
Assert.assertEquals( "Hello NAR World!", app.sayHello() );
}
+
+ @Test public final void testNativeTimesWorldJNI()
+ throws Exception
+ {
+ HelloWorldJNI app = new HelloWorldJNI();
+ Assert.assertEquals( 35, app.timesHello(5, 7));
+ }
}