SetDontInlineMethodTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
 * 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.
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/*
 * @test SetDontInlineMethodTest
 * @bug 8006683 8007288 8022832
 * @library /testlibrary /../../test/lib
 * @modules java.management
 * @build SetDontInlineMethodTest
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* SetDontInlineMethodTest
 * @summary testing of WB::testSetDontInlineMethod()
 * @author igor.ignatyev@oracle.com
 */
public class SetDontInlineMethodTest extends CompilerWhiteBoxTest {

    public static void main(String[] args) throws Exception {
        CompilerWhiteBoxTest.main(SetDontInlineMethodTest::new, args);
    }

    private SetDontInlineMethodTest(TestCase testCase) {
        super(testCase);
    }

    /**
     * Tests {@code WB::testSetDontInlineMethod()} by sequential calling it and
     * checking of return value.
     *
     * @throws Exception if one of the checks fails.
     */
    @Override
    protected void test() throws Exception {
        if (WHITE_BOX.testSetDontInlineMethod(method, true)) {
            throw new RuntimeException("on start " + method
                    + " must be inlineable");
        }
        if (!WHITE_BOX.testSetDontInlineMethod(method, true)) {
            throw new RuntimeException("after first change to true " + method
                    + " must be not inlineable");
        }
        if (!WHITE_BOX.testSetDontInlineMethod(method, false)) {
            throw new RuntimeException("after second change to true " + method
                    + " must be still not inlineable");
        }
        if (WHITE_BOX.testSetDontInlineMethod(method, false)) {
            throw new RuntimeException("after first change to false" + method
                    + " must be inlineable");
        }
        if (WHITE_BOX.testSetDontInlineMethod(method, false)) {
            throw new RuntimeException("after second change to false " + method
                    + " must be inlineable");
        }
    }
}