1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/whitebox/ClearMethodStateTest.java Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,94 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.util.function.Function;
1.28 +
1.29 +/*
1.30 + * @test ClearMethodStateTest
1.31 + * @bug 8006683 8007288 8022832
1.32 + * @library /testlibrary /testlibrary/whitebox
1.33 + * @build ClearMethodStateTest
1.34 + * @run main ClassFileInstaller sun.hotspot.WhiteBox
1.35 + * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* ClearMethodStateTest
1.36 + * @summary testing of WB::clearMethodState()
1.37 + * @author igor.ignatyev@oracle.com
1.38 + */
1.39 +public class ClearMethodStateTest extends CompilerWhiteBoxTest {
1.40 +
1.41 + public static void main(String[] args) throws Exception {
1.42 + CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args);
1.43 + }
1.44 +
1.45 + private ClearMethodStateTest(TestCase testCase) {
1.46 + super(testCase);
1.47 + // to prevent inlining of #method
1.48 + WHITE_BOX.testSetDontInlineMethod(method, true);
1.49 + }
1.50 +
1.51 +
1.52 + /**
1.53 + * Tests {@code WB::clearMethodState()} by calling it before/after
1.54 + * compilation. For non-tiered, checks that counters will be rested after
1.55 + * clearing of method state.
1.56 + *
1.57 + * @throws Exception if one of the checks fails.
1.58 + */
1.59 + @Override
1.60 + protected void test() throws Exception {
1.61 + checkNotCompiled();
1.62 + compile();
1.63 + WHITE_BOX.clearMethodState(method);
1.64 + checkCompiled();
1.65 + WHITE_BOX.clearMethodState(method);
1.66 + deoptimize();
1.67 + checkNotCompiled();
1.68 +
1.69 + if (testCase.isOsr()) {
1.70 + // part test isn't applicable for OSR test case
1.71 + return;
1.72 + }
1.73 + if (!TIERED_COMPILATION) {
1.74 + WHITE_BOX.clearMethodState(method);
1.75 + compile(COMPILE_THRESHOLD);
1.76 + checkCompiled();
1.77 +
1.78 + deoptimize();
1.79 + checkNotCompiled();
1.80 + WHITE_BOX.clearMethodState(method);
1.81 +
1.82 + // invoke method one less time than needed to compile
1.83 + if (COMPILE_THRESHOLD > 1) {
1.84 + compile(COMPILE_THRESHOLD - 1);
1.85 + checkNotCompiled();
1.86 + } else {
1.87 + System.err.println("Warning: 'CompileThreshold' <= 1");
1.88 + }
1.89 +
1.90 + compile(1);
1.91 + checkCompiled();
1.92 + } else {
1.93 + System.err.println(
1.94 + "Warning: part of test is not applicable in Tiered");
1.95 + }
1.96 + }
1.97 +}
