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

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 *

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

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 *

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

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/*

 * @test TestCompilerDirectivesCompatibilityBase

 * @bug 8137167

 * @library /testlibrary /test/lib /

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

 *          java.compiler

 *          java.management

 * @build jdk.test.lib.*

 *        jdk.test.lib.dcmd.*

 *        sun.hotspot.WhiteBox

 *        compiler.testlibrary.CompilerUtils

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                                sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run testng/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestCompilerDirectivesCompatibilityBase

 * @summary Test compiler control compatibility with compile command

 */

import compiler.testlibrary.CompilerUtils;

import compiler.whitebox.CompilerWhiteBoxTest;

import jdk.test.lib.dcmd.CommandExecutor;

import jdk.test.lib.dcmd.JMXExecutor;

import org.testng.annotations.Test;

import org.testng.Assert;

import sun.hotspot.WhiteBox;

import java.io.BufferedReader;

import java.io.File;

import java.io.StringReader;

import java.lang.reflect.Method;

import java.util.Objects;

public class TestCompilerDirectivesCompatibilityBase {

    public static final WhiteBox WB = WhiteBox.getWhiteBox();

    public static String control_on, control_off;

    Method method, nomatch;

    public void run(CommandExecutor executor) throws Exception {

        control_on = System.getProperty("test.src", ".") + File.separator + "control_on.txt";

        control_off = System.getProperty("test.src", ".") + File.separator + "control_off.txt";

        method  = getMethod(TestCompilerDirectivesCompatibilityBase.class, "helper");

        nomatch = getMethod(TestCompilerDirectivesCompatibilityBase.class, "another");

        int[] levels = CompilerUtils.getAvailableCompilationLevels();

        for (int complevel : levels) {

            // Only test the major compilers, ignore profiling levels

            if (complevel == CompilerWhiteBoxTest.COMP_LEVEL_SIMPLE || complevel == CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION){

                testCompatibility(executor, complevel);

            }

        }

    }

    public void testCompatibility(CommandExecutor executor, int comp_level) throws Exception {

        // Call all validation twice to catch error when overwriting a directive

        // Flag is default off

        expect(!WB.getBooleanVMFlag("PrintAssembly"));

        expect(!WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

        expect(!WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

        // load directives that turn it on

        executor.execute("Compiler.directives_add " + control_on);

        expect(WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

        expect(WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

        // remove and see that it is true again

        executor.execute("Compiler.directives_remove");

        expect(!WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

        expect(!WB.shouldPrintAssembly(method, comp_level));

        expect(!WB.shouldPrintAssembly(nomatch, comp_level));

    }

    public void expect(boolean test) throws Exception {

        if (!test) {

            throw new Exception("Test failed");

        }

    }

    public void expect(boolean test, String msg) throws Exception {

        if (!test) {

            throw new Exception(msg);

        }

    }

    @Test

    public void jmx() throws Exception {

        run(new JMXExecutor());

    }

    public void helper() {

    }

    public void another() {

    }

    public static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {

        try {

            return klass.getDeclaredMethod(name, parameterTypes);

        } catch (NoSuchMethodException | SecurityException e) {

            throw new RuntimeException("exception on getting method Helper." + name, e);

        }

    }

}