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// Copyright 2012 The Chromium Authors. All rights reserved.
// 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;
/**
* Utility class for scaling various timeouts by a common factor.
* For example, to run tests under Valgrind, you might want the following:
* adb shell "echo 20.0 > /data/local/tmp/chrome_timeout_scale"
*/
public class ScalableTimeout {
private static Double sTimeoutScale = null;
private static final String PROPERTY_FILE = "/data/local/tmp/chrome_timeout_scale";
public static long scaleTimeout(long timeout) {
if (sTimeoutScale == null) {
try {
char[] data = TestFileUtil.readUtf8File(PROPERTY_FILE, 32);
sTimeoutScale = Double.parseDouble(new String(data));
} catch (Exception e) {
// NumberFormatException, FileNotFoundException, IOException
sTimeoutScale = 1.0;
}
}
return (long) (timeout * sTimeoutScale);
}
}
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