1 /*
 2  * Copyright (c) 2016, 2023, 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
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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
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22  */
23 
24 /*
25  * @test
26  * @summary If a module is specificed twice to --patch-module, it should print an error
27  * @requires vm.flagless
28  * @modules java.base/jdk.internal.misc
29  * @library /test/lib
30  * @run driver PatchModuleDupModule
31  */
32 
33 import jdk.test.lib.process.OutputAnalyzer;
34 import jdk.test.lib.process.ProcessTools;
35 
36 public class PatchModuleDupModule {
37 
38   // if --patch-module is specified with the same module more than once.
39   // The launcher should print an error.
40 
41   public static void main(String args[]) throws Exception {
42     ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
43       "--patch-module=module_one=module_one_dir",
44       "--patch-module=module_one=module_one_dir",
45       "-version");
46     OutputAnalyzer output = new OutputAnalyzer(pb.start());
47     output.shouldContain("Cannot specify a module more than once to --patch-module");
48     output.shouldHaveExitValue(1);
49   }
50 }