| /* |
| * 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)); |
| } |
| } |