| /* |
| * 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 com.android.unit_tests; |
| |
| 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); |
| } |
| } |