/*

 * Copyright (c) 2013, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test EnqueueMethodForCompilationTest

 * @library /testlibrary /testlibrary/whitebox

 * @build EnqueueMethodForCompilationTest

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI EnqueueMethodForCompilationTest

 * @summary testing of WB::enqueueMethodForCompilation()

 * @author igor.ignatyev@oracle.com

 */

public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {

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

        for (TestCase test : TestCase.values()) {

            new EnqueueMethodForCompilationTest(test).runTest();

        }

    }

    public EnqueueMethodForCompilationTest(TestCase testCase) {

        super(testCase);

        // to prevent inlining of #method

        WHITE_BOX.testSetDontInlineMethod(method, true);

    }

    @Override

    protected void test() throws Exception {

        checkNotCompiled();

        // method can not be compiled on level 'none'

        WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);

        if (WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_NONE)) {

            throw new RuntimeException(method

                    + " is compilable at level COMP_LEVEL_NONE");

        }

        checkNotCompiled();

        // COMP_LEVEL_ANY is inapplicable as level for compilation

        WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);

        checkNotCompiled();

        WHITE_BOX.enqueueMethodForCompilation(method, 5);

        if (!WHITE_BOX.isMethodCompilable(method, 5)) {

            checkNotCompiled();

            compile();

            checkCompiled();

        } else {

            checkCompiled();

        }

        int compLevel = WHITE_BOX.getMethodCompilationLevel(method);

        WHITE_BOX.deoptimizeMethod(method);

        checkNotCompiled();

        WHITE_BOX.enqueueMethodForCompilation(method, compLevel);

        checkCompiled();

        WHITE_BOX.deoptimizeMethod(method);

        checkNotCompiled();

        compile();

        checkCompiled();

        WHITE_BOX.deoptimizeMethod(method);

        checkNotCompiled();

    }

}