| 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | package org.chromium.base.test.util; |
| 6 | |
| 7 | /** |
| 8 | * Utility class for scaling various timeouts by a common factor. |
| 9 | * For example, to run tests under Valgrind, you might want the following: |
| 10 | * adb shell "echo 20.0 > /data/local/tmp/chrome_timeout_scale" |
| 11 | */ |
| 12 | public class ScalableTimeout { |
| 13 | private static Double sTimeoutScale = null; |
| 14 | private static final String PROPERTY_FILE = "/data/local/tmp/chrome_timeout_scale"; |
| 15 | |
| 16 | public static long ScaleTimeout(long timeout) { |
| 17 | if (sTimeoutScale == null) { |
| 18 | try { |
| 19 | char[] data = TestFileUtil.readUtf8File(PROPERTY_FILE, 32); |
| 20 | sTimeoutScale = Double.parseDouble(new String(data)); |
| 21 | } catch (Exception e) { |
| 22 | // NumberFormatException, FileNotFoundException, IOException |
| 23 | sTimeoutScale = 1.0; |
| 24 | } |
| 25 | } |
| 26 | return (long)(timeout * sTimeoutScale); |
| 27 | } |
| 28 | } |