| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base.test.util; |
| |
| import android.app.Instrumentation; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.FutureTask; |
| |
| /** |
| * Utility methods built around the android.app.Instrumentation class. |
| */ |
| public final class InstrumentationUtils { |
| |
| private InstrumentationUtils() { |
| } |
| |
| public static <R> R runOnMainSyncAndGetResult(Instrumentation instrumentation, |
| Callable<R> callable) throws Throwable { |
| FutureTask<R> task = new FutureTask<R>(callable); |
| instrumentation.runOnMainSync(task); |
| try { |
| return task.get(); |
| } catch (ExecutionException e) { |
| // Unwrap the cause of the exception and re-throw it. |
| throw e.getCause(); |
| } |
| } |
| } |