| /* |
| * Copyright 2019 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 androidx.appcompat.widget; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.Activity; |
| import android.content.res.Resources; |
| import android.graphics.drawable.Drawable; |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SuppressWarnings("deprecation") |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class TintResourcesTest { |
| @Rule |
| public final androidx.test.rule.ActivityTestRule<Activity> mActivityTestRule = |
| new androidx.test.rule.ActivityTestRule<>(Activity.class); |
| |
| @Test |
| public void testTintResourcesDelegateBackToOriginalResources() { |
| final TestResources testResources = |
| new TestResources(mActivityTestRule.getActivity().getResources()); |
| // First make sure that the flag is false |
| assertFalse(testResources.wasGetDrawableCalled()); |
| |
| // Now wrap in a TintResources instance and get a Drawable |
| final Resources tintResources = |
| new TintResources(mActivityTestRule.getActivity(), testResources); |
| tintResources.getDrawable(android.R.drawable.ic_delete); |
| |
| // ...and assert that the flag was flipped |
| assertTrue(testResources.wasGetDrawableCalled()); |
| } |
| |
| /** |
| * Special Resources class which returns a known Drawable instance from a special ID |
| */ |
| private static class TestResources extends Resources { |
| private boolean mGetDrawableCalled; |
| |
| private TestResources(Resources res) { |
| super(res.getAssets(), res.getDisplayMetrics(), res.getConfiguration()); |
| } |
| |
| @Override |
| public Drawable getDrawable(int id) throws NotFoundException { |
| mGetDrawableCalled = true; |
| return super.getDrawable(id); |
| } |
| |
| public boolean wasGetDrawableCalled() { |
| return mGetDrawableCalled; |
| } |
| } |
| |
| } |