1/*
2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test DeoptimizeMethodTest
26 * @bug 8006683 8007288 8022832
27 * @summary testing of WB::deoptimizeMethod()
28 * @library /test/lib /
29 * @modules java.base/jdk.internal.misc
30 *          java.management
31 * @build sun.hotspot.WhiteBox
32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
33 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
35 *                   -XX:+WhiteBoxAPI -XX:-UseCounterDecay
36 *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
37 *                   compiler.whitebox.DeoptimizeMethodTest
38 */
39
40package compiler.whitebox;
41
42public class DeoptimizeMethodTest extends CompilerWhiteBoxTest {
43
44    public static void main(String[] args) throws Exception {
45        CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args);
46    }
47
48    private DeoptimizeMethodTest(TestCase testCase) {
49        super(testCase);
50        // to prevent inlining of #method
51        WHITE_BOX.testSetDontInlineMethod(method, true);
52    }
53
54    /**
55     * Tests {@code WB::deoptimizeMethod()} by calling it after
56     * compilation and checking that method isn't compiled.
57     *
58     * @throws Exception if one of the checks fails.
59     */
60    @Override
61    protected void test() throws Exception {
62        if (skipXcompOSR()) {
63            return;
64        }
65        compile();
66        checkCompiled();
67        deoptimize();
68        checkNotCompiled();
69    }
70}
71