1 /*
   2  * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6493690
  27  * @summary javadoc should have a javax.tools.Tool service provider
  28  * @modules java.compiler
  29  *          jdk.compiler
  30  * @build APITest
  31  * @run main IsSupportedOptionTest
  32  */
  33 
  34 import javax.tools.DocumentationTool;
  35 import javax.tools.ToolProvider;
  36 
  37 /**
  38  * Tests for DocumentationTool.usSupportedOption method.
  39  */
  40 public class IsSupportedOptionTest extends APITest {
  41     public static void main(String... args) throws Exception {
  42         new IsSupportedOptionTest().run();
  43     }
  44 
  45     /**
  46      * Verify that isSupportedOption method can be invoked.
  47      */
  48     @Test
  49     public void test() throws Exception {
  50         DocumentationTool tool = ToolProvider.getSystemDocumentationTool();
  51         check(tool, "-sourcepath", 1);
  52         check(tool, "-verbose", 0);
  53         check(tool, "-ZZZ", -1);
  54 
  55         try {
  56             check(tool, null, -1);
  57             error("null was accepted without exception");
  58         } catch (NullPointerException e) {
  59         }
  60     }
  61 
  62     private void check(DocumentationTool tool, String option, int numArgs) {
  63         System.err.println("check " + option);
  64         int n = tool.isSupportedOption(option);
  65         if (n != numArgs)
  66             error("unexpected result for option: " + option + ": " + n);
  67     }
  68 }
  69