/*
* Copyright 2014 Google Inc.
*
* 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 com.google.gwt.testing;
import com.google.gwt.regexp.shared.MatchResult;
import com.google.gwt.regexp.shared.RegExp;
/**
* Utility functions needed by various tests.
*/
public class TestUtils {
private static final String VERSION_REGEXP = "1\\.([0-9]+)(\\..*)?";
public static int getJdkVersion() {
String versionString = System.getProperty("java.version", "none");
if (versionString.equals("none")) {
return -1;
}
return getMajorVersion(versionString);
}
private static int getMajorVersion(String versionString) {
MatchResult matchResult = RegExp.compile(VERSION_REGEXP).exec(versionString);
assert matchResult.getGroup(0).equals(versionString);
return Integer.parseInt(matchResult.getGroup(1));
}
}