/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.core;
import android.test.suitebuilder.annotation.Suppress;
import android.util.Log;
import junit.framework.TestCase;
@Suppress
public class JniLibTest extends TestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
/*
* This causes the native shared library to be loaded when the
* class is first used. The library is only loaded once, even if
* multiple classes include this line.
*
* The library must be in java.library.path, which is derived from
* LD_LIBRARY_PATH. The actual library name searched for will be
* "libjni_lib_test.so" under Linux, but may be different on other
* platforms.
*/
try {
System.loadLibrary("jni_lib_test");
} catch (UnsatisfiedLinkError ule) {
Log.e("JniLibTest", "WARNING: Could not load jni_lib_test natives");
}
}
private static native int nativeStaticThing(float f);
private native void nativeThing(int val);
public void testNativeCall() {
Log.i("JniLibTest", "JNI search path is "
+ System.getProperty("java.library.path"));
Log.i("JniLibTest", "'jni_lib_test' becomes '"
+ System.mapLibraryName("jni_lib_test") + "'");
int result = nativeStaticThing(1234.5f);
nativeThing(result);
}
}