| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4218776 |
| * @summary Test loading of properties files with blank lines |
| */ |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Properties; |
| |
| /** |
| * This class tests to see if a properties object correctly handles blank |
| * lines in a properties file |
| */ |
| public class BlankLines { |
| public static void main(String []args) |
| { |
| try { |
| // create test file |
| File file = new File("test.properties"); |
| |
| // write a single space to the test file |
| FileOutputStream fos = new FileOutputStream(file); |
| fos.write(' '); |
| fos.close(); |
| |
| // test empty properties |
| Properties prop1 = new Properties(); |
| |
| // now load the file we just created, into a |
| // properties object. |
| // the properties object should have no elements, |
| // but due to a bug, it has an empty key/value. |
| // key = "", value = "" |
| Properties prop2 = new Properties(); |
| InputStream is = new FileInputStream(file); |
| try { |
| prop2.load(is); |
| } finally { |
| is.close(); |
| } |
| if (!prop1.equals(prop2)) |
| throw new RuntimeException("Incorrect properties loading."); |
| |
| // cleanup |
| file.delete(); |
| } |
| catch(IOException e) {} |
| } |
| } |