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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/*

 * @test

 * @bug 8136930

 * @summary Test that the VM only recognizes the last specified --list-modules

 *          options but accumulates --add-module values.

 * @modules java.base/jdk.internal.misc

 * @library /test/lib

 */

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

// Test that the VM behaves correctly when processing module related options.

public class ModuleOptionsTest {

    public static void main(String[] args) throws Exception {

        // Test that multiple --add-modules options are cumulative, not last one wins.

        // An exception should be thrown because module i_dont_exist doesn't exist.

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

            "--add-modules=i_dont_exist", "--add-modules=java.base", "-version");

        OutputAnalyzer output = new OutputAnalyzer(pb.start());

        output.shouldContain("ResolutionException");

        output.shouldContain("i_dont_exist");

        output.shouldHaveExitValue(1);

        // Test that the last --limit-modules is the only one recognized.  No exception

        // should be thrown.

        pb = ProcessTools.createJavaProcessBuilder(

            "--limit-modules=i_dont_exist", "--limit-modules=java.base", "-version");

        output = new OutputAnalyzer(pb.start());

        output.shouldHaveExitValue(0);

    }

}