| /* |
| * Copyright (C) 2015 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.documentsui.dirlist; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.assertFalse; |
| import static junit.framework.Assert.assertTrue; |
| |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import com.android.documentsui.dirlist.MultiSelectManager.Selection; |
| |
| import com.google.common.collect.Sets; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class MultiSelectManager_SelectionTest { |
| |
| private Selection selection; |
| |
| private String[] ids = new String[]{ |
| "foo", |
| "43", |
| "auth|id=@53di*/f3#d" |
| }; |
| |
| @Before |
| public void setUp() throws Exception { |
| selection = new Selection(); |
| selection.add(ids[0]); |
| selection.add(ids[1]); |
| selection.add(ids[2]); |
| } |
| |
| @Test |
| public void testAdd() { |
| // We added in setUp. |
| assertEquals(3, selection.size()); |
| assertContains(ids[0]); |
| assertContains(ids[1]); |
| assertContains(ids[2]); |
| } |
| |
| @Test |
| public void testRemove() { |
| selection.remove(ids[0]); |
| selection.remove(ids[2]); |
| assertEquals(1, selection.size()); |
| assertContains(ids[1]); |
| } |
| |
| @Test |
| public void testClear() { |
| selection.clear(); |
| assertEquals(0, selection.size()); |
| } |
| |
| @Test |
| public void testIsEmpty() { |
| assertTrue(new Selection().isEmpty()); |
| selection.clear(); |
| assertTrue(selection.isEmpty()); |
| } |
| |
| public void testSize() { |
| Selection other = new Selection(); |
| for (int i = 0; i < selection.size(); i++) { |
| other.add(ids[i]); |
| } |
| assertEquals(selection.size(), other.size()); |
| } |
| |
| public void testEqualsSelf() { |
| assertEquals(selection, selection); |
| } |
| |
| public void testEqualsOther() { |
| Selection other = new Selection(); |
| other.add(ids[0]); |
| other.add(ids[1]); |
| other.add(ids[2]); |
| assertEquals(selection, other); |
| assertEquals(selection.hashCode(), other.hashCode()); |
| } |
| |
| public void testEqualsCopy() { |
| Selection other = new Selection(); |
| other.copyFrom(selection); |
| assertEquals(selection, other); |
| assertEquals(selection.hashCode(), other.hashCode()); |
| } |
| |
| public void testNotEquals() { |
| Selection other = new Selection(); |
| other.add("foobar"); |
| assertFalse(selection.equals(other)); |
| } |
| |
| public void testIntersection_empty0() { |
| Selection testSelection = new Selection(); |
| testSelection.intersect(new HashSet<String>()); |
| assertTrue(testSelection.isEmpty()); |
| } |
| |
| public void testIntersection_empty1() { |
| Selection testSelection = new Selection(); |
| testSelection.intersect(Sets.newHashSet("foo")); |
| assertTrue(testSelection.isEmpty()); |
| } |
| |
| public void testIntersection_empty2() { |
| assertFalse(selection.isEmpty()); |
| selection.intersect(new HashSet<String>()); |
| assertTrue(selection.isEmpty()); |
| } |
| |
| public void testIntersection_exclusive() { |
| String[] ids0 = new String[]{"foo", "bar", "baz"}; |
| String[] ids1 = new String[]{"0", "1", "2"}; |
| |
| Selection testSelection = new Selection(); |
| testSelection.add(ids0[0]); |
| testSelection.add(ids0[1]); |
| testSelection.add(ids0[2]); |
| |
| Set<String> set = Sets.newHashSet(ids1); |
| testSelection.intersect(set); |
| |
| assertTrue(testSelection.isEmpty()); |
| } |
| |
| public void testIntersection_subset() { |
| String[] ids0 = new String[]{"foo", "bar", "baz"}; |
| String[] ids1 = new String[]{"0", "baz", "1", "foo", "2"}; |
| |
| Selection testSelection = new Selection(); |
| testSelection.add(ids0[0]); |
| testSelection.add(ids0[1]); |
| testSelection.add(ids0[2]); |
| |
| testSelection.intersect(Sets.newHashSet(ids1)); |
| |
| assertTrue(testSelection.contains("foo")); |
| assertFalse(testSelection.contains("bar")); |
| assertTrue(testSelection.contains("baz")); |
| } |
| |
| public void testIntersection_all() { |
| String[] ids0 = new String[]{"foo", "bar", "baz"}; |
| String[] ids1 = new String[]{"0", "baz", "1", "foo", "2", "bar"}; |
| |
| Selection testSelection = new Selection(); |
| testSelection.add(ids0[0]); |
| testSelection.add(ids0[1]); |
| testSelection.add(ids0[2]); |
| |
| Selection control = new Selection(); |
| control.copyFrom(testSelection); |
| |
| testSelection.intersect(Sets.newHashSet(ids1)); |
| |
| assertTrue(testSelection.equals(control)); |
| } |
| |
| private void assertContains(String id) { |
| String err = String.format("Selection %s does not contain %s", selection, id); |
| assertTrue(err, selection.contains(id)); |
| } |
| } |