--- /dev/null 2014-02-28 14:47:24.359880811 +0400 +++ new/test/compiler/whitebox/GetNMethodTest.java 2014-03-24 21:53:35.276784003 +0400 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 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 + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +/* + * @test GetNMethodTest + * @bug 8038240 + * @library /testlibrary /testlibrary/whitebox + * @build GetNMethodTest + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* GetNMethodTest + * @summary testing of WB::getNMethod() + * @author igor.ignatyev@oracle.com + */ +public class GetNMethodTest extends CompilerWhiteBoxTest { + public static void main(String[] args) throws Exception { + CompilerWhiteBoxTest.main(GetNMethodTest::new, args); + } + + private GetNMethodTest(TestCase testCase) { + super(testCase); + // to prevent inlining of #method + WHITE_BOX.testSetDontInlineMethod(method, true); + } + + @Override + protected void test() throws Exception { + checkNotCompiled(); + + compile(); + checkCompiled(); + byte[] nmethod = WHITE_BOX.getNMethod(method, testCase.isOsr()); + if (IS_VERBOSE) { + System.out.println("nmethod.length = " + nmethod == null ? 0 : nmethod.length); + } + if (nmethod == null || nmethod.length == 0) { + throw new RuntimeException("nmethod of compiled method is empty"); + } + deoptimize(); + checkNotCompiled(); + nmethod = WHITE_BOX.getNMethod(method, true); + if (nmethod != null) { + throw new RuntimeException("nmethod of non-compiled method isn't null"); + } + } +}