| /* |
| * Copyright (C) 2017 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.database.sqlite.cts; |
| |
| import android.content.Context; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.uiautomator.UiDevice; |
| import android.util.Log; |
| |
| /** |
| * Common utility methods for testing |
| */ |
| class DatabaseTestUtils { |
| |
| private static final String TAG = "SQLiteOpenHelperTest"; |
| |
| static boolean waitForConnectionToClose(int maxAttempts, int pollIntervalMs) |
| throws Exception { |
| for (int i = 0; i < maxAttempts; i++) { |
| String output = getDbInfoOutput(); |
| Log.d(TAG, "waitForConnectionToClose #" + i + ": " + output); |
| if (!output.contains("Connection #0:")) { |
| return true; |
| } |
| Thread.sleep(pollIntervalMs); |
| } |
| return false; |
| } |
| |
| static String getDbInfoOutput() throws Exception { |
| Context ctx = InstrumentationRegistry.getInstrumentation().getContext(); |
| return executeShellCommand("dumpsys dbinfo " + ctx.getPackageName()); |
| } |
| |
| static String executeShellCommand(String cmd) throws Exception { |
| return UiDevice.getInstance( |
| InstrumentationRegistry.getInstrumentation()).executeShellCommand(cmd); |
| } |
| } |