1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.util; 18 19 import android.content.ContentResolver; 20 import android.database.ContentObserver; 21 import android.net.Uri; 22 import android.provider.Settings; 23 import android.test.AndroidTestCase; 24 import android.test.mock.MockContentResolver; 25 import android.test.mock.MockContext; 26 import android.test.suitebuilder.annotation.SmallTest; 27 import android.test.suitebuilder.annotation.Suppress; 28 import android.util.Log; 29 30 import java.util.concurrent.CountDownLatch; 31 import java.util.concurrent.TimeUnit; 32 33 /** 34 * Unit tests for FakeSettingsProvider. 35 */ 36 public class FakeSettingsProviderTest extends AndroidTestCase { 37 38 private MockContentResolver mCr; 39 40 @Override 41 public void setUp() throws Exception { 42 mCr = new MockContentResolver(); 43 mCr.addProvider(Settings.AUTHORITY, new FakeSettingsProvider()); 44 } 45 46 @SmallTest 47 public void testBasicOperation() throws Exception { 48 String settingName = Settings.System.SCREEN_BRIGHTNESS; 49 50 try { 51 Settings.System.getInt(mCr, settingName); 52 fail("FakeSettingsProvider should start off empty."); 53 } catch (Settings.SettingNotFoundException expected) {} 54 55 // Check that fake settings can be written and read back. 56 Settings.System.putInt(mCr, settingName, 123); 57 assertEquals(123, Settings.System.getInt(mCr, settingName)); 58 } 59 } 60