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import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.cli.*;

/*

 * @test

 * @bug 8066821

 * @summary Test that various options are deprecated. See deprecated_jvm_flags in arguments.cpp.

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

 * @library /test/lib

 */

public class VMDeprecatedOptions {

    /**

     * each entry is {[0]: option name, [1]: value to set

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

     */

    public static final String[][] DEPRECATED_OPTIONS = {

        // deprecated non-alias flags:

        {"MaxGCMinorPauseMillis", "1032"},

        // deprecated alias flags (see also aliased_jvm_flags):

        {"DefaultMaxRAMFraction", "4"},

        {"CreateMinidumpOnCrash", "false"}

    };

    static String getDeprecationString(String optionName) {

        return "Option " + optionName

            + " was deprecated in version [\\S]+ and will likely be removed in a future release";

    }

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

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

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

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

            optionNames[i] = optionInfo[i][0];

            expectedValues[i] = optionInfo[i][1];

        }

        OutputAnalyzer output = CommandLineOptionTest.startVMWithOptions(optionNames, expectedValues);

        // check for option deprecation messages:

        output.shouldHaveExitValue(0);

        for (String[] deprecated : optionInfo) {

            String match = getDeprecationString(deprecated[0]);

            output.shouldMatch(match);

        }

    }

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

        testDeprecated(DEPRECATED_OPTIONS);  // Make sure that each deprecated option is mentioned in the output.

    }

}