| /* |
| * Copyright (C) 2016 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; |
| |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import com.android.documentsui.model.DocumentInfo; |
| |
| @SmallTest |
| public class StateTest extends AndroidTestCase { |
| |
| private static final DocumentInfo DIR_1; |
| private static final DocumentInfo DIR_2; |
| |
| private State mState; |
| |
| static { |
| DIR_1 = new DocumentInfo(); |
| DIR_1.displayName = "firstDirectory"; |
| DIR_2 = new DocumentInfo(); |
| DIR_2.displayName = "secondDirectory"; |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| mState = new State(); |
| } |
| |
| public void testInitialStateEmpty() { |
| assertFalse(mState.hasLocationChanged()); |
| } |
| |
| public void testPushDocument_ChangesLocation() { |
| mState.pushDocument(DIR_1); |
| mState.pushDocument(DIR_2); |
| assertTrue(mState.hasLocationChanged()); |
| } |
| |
| public void testPushDocument_ModifiesStack() { |
| mState.pushDocument(DIR_1); |
| mState.pushDocument(DIR_2); |
| assertEquals(DIR_2, mState.stack.getFirst()); |
| } |
| |
| public void testPopDocument_ModifiesStack() { |
| mState.pushDocument(DIR_1); |
| mState.pushDocument(DIR_2); |
| mState.popDocument(); |
| assertEquals(DIR_1, mState.stack.getFirst()); |
| } |
| } |