| /* |
| * Copyright (C) 2010 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.tools.layoutlib.create; |
| |
| import static org.junit.Assert.*; |
| |
| import org.junit.Test; |
| import org.objectweb.asm.ClassReader; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| |
| /** |
| * Tests {@link ClassHasNativeVisitor}. |
| */ |
| public class ClassHasNativeVisitorTest { |
| |
| @Test |
| public void testHasNative() throws IOException { |
| MockClassHasNativeVisitor cv = new MockClassHasNativeVisitor(); |
| String className = |
| this.getClass().getCanonicalName() + "$" + ClassWithNative.class.getSimpleName(); |
| ClassReader cr = new ClassReader(className); |
| |
| cr.accept(cv, 0 /* flags */); |
| assertArrayEquals(new String[] { "native_method" }, cv.getMethodsFound()); |
| assertTrue(cv.hasNativeMethods()); |
| } |
| |
| @Test |
| public void testHasNoNative() throws IOException { |
| MockClassHasNativeVisitor cv = new MockClassHasNativeVisitor(); |
| String className = |
| this.getClass().getCanonicalName() + "$" + ClassWithoutNative.class.getSimpleName(); |
| ClassReader cr = new ClassReader(className); |
| |
| cr.accept(cv, 0 /* flags */); |
| assertArrayEquals(new String[0], cv.getMethodsFound()); |
| assertFalse(cv.hasNativeMethods()); |
| } |
| |
| //------- |
| |
| /** |
| * Overrides {@link ClassHasNativeVisitor} to collec the name of the native methods found. |
| */ |
| private static class MockClassHasNativeVisitor extends ClassHasNativeVisitor { |
| private ArrayList<String> mMethodsFound = new ArrayList<String>(); |
| |
| public String[] getMethodsFound() { |
| return mMethodsFound.toArray(new String[mMethodsFound.size()]); |
| } |
| |
| @Override |
| protected void setHasNativeMethods(boolean hasNativeMethods, String methodName) { |
| if (hasNativeMethods) { |
| mMethodsFound.add(methodName); |
| } |
| super.setHasNativeMethods(hasNativeMethods, methodName); |
| } |
| } |
| |
| /** |
| * Dummy test class with a native method. |
| */ |
| public static class ClassWithNative { |
| public ClassWithNative() { |
| } |
| |
| public void callTheNativeMethod() { |
| native_method(); |
| } |
| |
| private native void native_method(); |
| } |
| |
| /** |
| * Dummy test class with no native method. |
| */ |
| public static class ClassWithoutNative { |
| public ClassWithoutNative() { |
| } |
| |
| public void someMethod() { |
| } |
| } |
| } |