/*

 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

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

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

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

/**

 * @test TieredLevelsTest

 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox

 * @build TieredLevelsTest

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -XX:+TieredCompilation

 *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

 *                   -XX:CompileCommand=compileonly,SimpleTestCase$Helper::*

 *                   TieredLevelsTest

 * @summary Verify that all levels < 'TieredStopAtLevel' can be used

 * @author igor.ignatyev@oracle.com

 */

public class TieredLevelsTest extends CompLevelsTest {

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

        if (!TIERED_COMPILATION) {

            System.err.println("Test isn't applicable w/ disabled "

                    + "TieredCompilation. Skip test.");

            return;

        }

        CompilerWhiteBoxTest.main(TieredLevelsTest::new, args);

    }

    private TieredLevelsTest(TestCase testCase) {

        super(testCase);

        // to prevent inlining of #method

        WHITE_BOX.testSetDontInlineMethod(method, true);

    }

    @Override

    protected void test() throws Exception {

        if (skipXcompOSR()) {

          return;

        }

        checkNotCompiled();

        compile();

        checkCompiled();

        int compLevel = getCompLevel();

        if (compLevel > TIERED_STOP_AT_LEVEL) {

            throw new RuntimeException("method.compLevel[" + compLevel

                    + "] > TieredStopAtLevel [" + TIERED_STOP_AT_LEVEL + "]");

        }

        int bci = WHITE_BOX.getMethodEntryBci(method);

        deoptimize();

        for (int testedTier = 1; testedTier <= TIERED_STOP_AT_LEVEL;

                ++testedTier) {

            testAvailableLevel(testedTier, bci);

        }

        for (int testedTier = TIERED_STOP_AT_LEVEL + 1;

                testedTier <= COMP_LEVEL_MAX; ++testedTier) {

            testUnavailableLevel(testedTier, bci);

        }

    }

    @Override

    protected void checkLevel(int expected, int actual) {

        if (expected == COMP_LEVEL_FULL_PROFILE

                && actual == COMP_LEVEL_LIMITED_PROFILE) {

            // for simple method full_profile may be replaced by limited_profile

            return;

        }

        super.checkLevel(expected, actual);

   }

}