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import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.cli.*;

/*

 * @test

 * @bug 8061611

 * @summary Test that various alias options correctly set the target options. See aliased_jvm_flags in arguments.cpp.

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

 * @library /test/lib

 */

public class VMAliasOptions {

    /**

     * each entry is {[0]: alias name, [1]: alias target, [2]: value to set

     * (true/false/n/string)}.

     */

    public static final String[][] ALIAS_OPTIONS = {

        {"DefaultMaxRAMFraction",   "MaxRAMFraction", "1032"},

        {"CreateMinidumpOnCrash",   "CreateCoredumpOnCrash", "false" },

    };

    static void testAliases(String[][] optionInfo) throws Throwable {

        String aliasNames[]     = new String[optionInfo.length];

        String optionNames[]    = new String[optionInfo.length];

        String expectedValues[] = new String[optionInfo.length];

        for (int i = 0; i < optionInfo.length; i++) {

            aliasNames[i]     = optionInfo[i][0];

            optionNames[i]    = optionInfo[i][1];

            expectedValues[i] = optionInfo[i][2];

        }

        OutputAnalyzer output = CommandLineOptionTest.startVMWithOptions(aliasNames, expectedValues, "-XX:+PrintFlagsFinal");

        CommandLineOptionTest.verifyOptionValuesFromOutput(output, optionNames, expectedValues);

    }

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

        testAliases(ALIAS_OPTIONS);

    }

}