diff options
Diffstat (limited to 'tests/AndroidTests/src/com/android/unit_tests/JniLibTest.java')
-rw-r--r-- | tests/AndroidTests/src/com/android/unit_tests/JniLibTest.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/AndroidTests/src/com/android/unit_tests/JniLibTest.java b/tests/AndroidTests/src/com/android/unit_tests/JniLibTest.java new file mode 100644 index 0000000..6b740ba --- /dev/null +++ b/tests/AndroidTests/src/com/android/unit_tests/JniLibTest.java @@ -0,0 +1,59 @@ +/* + * 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); + } +} |