| /* |
| * Copyright (C) 2020 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.util; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.internal.util.function.LongObjPredicate; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** |
| * Tests for {@link LongSparseArray}. |
| */ |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class LongSparseArrayTest { |
| @Test |
| public void testRemoveIf() { |
| final LongSparseArray<Integer> sparseArray = new LongSparseArray(); |
| for (int i = 0; i < 10; ++i) { |
| for (int j = 100; j < 110; ++j) { |
| sparseArray.put(i, j); |
| sparseArray.put(-i, j); |
| sparseArray.put(j, -i); |
| sparseArray.put(-j, -i); |
| } |
| } |
| |
| final LongObjPredicate<Integer> predicate = (value, obj) -> (value < 0 && obj < 0); |
| sparseArray.removeIf(predicate); |
| |
| for (int i = 0; i < sparseArray.size(); ++i) { |
| assertThat(predicate.test(sparseArray.keyAt(i), sparseArray.valueAt(i))) |
| .isFalse(); |
| } |
| } |
| } |