1 /* 2 * Copyright (c) 2013, 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 ClearMethodStateTest 26 * @library /testlibrary /testlibrary/whitebox 27 * @build ClearMethodStateTest 28 * @run main ClassFileInstaller sun.hotspot.WhiteBox 29 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ClearMethodStateTest 30 * @author igor.ignatyev@oracle.com 31 */ 32 public class ClearMethodStateTest extends CompilerWhiteBoxTest { 33 public static void main(String[] args) throws Exception { 34 // to prevent inlining #method into #compile() and #test() 35 WHITE_BOX.setDontInlineMethod(METHOD, true); 36 new ClearMethodStateTest().runTest(); 37 } 38 39 protected void test() throws Exception { 40 checkNotCompiled(METHOD); 41 compile(); 42 checkCompiled(METHOD); 43 WHITE_BOX.clearMethodState(METHOD); 44 WHITE_BOX.deoptimizeMethod(METHOD); 45 checkNotCompiled(METHOD); 46 47 48 if (!TIERED_COMPILATION) { 49 WHITE_BOX.clearMethodState(METHOD); 50 compile(COMPILE_THRESHOLD); 51 checkCompiled(METHOD); 52 53 WHITE_BOX.deoptimizeMethod(METHOD); 54 checkNotCompiled(METHOD); 55 WHITE_BOX.clearMethodState(METHOD); 56 57 if (COMPILE_THRESHOLD > 1) { 58 compile(COMPILE_THRESHOLD - 1); 59 checkNotCompiled(METHOD); 60 } else { 61 System.err.println("Warning: 'CompileThreshold' <= 1"); 62 } 63 64 method(); 65 checkCompiled(METHOD); 66 } else { 67 System.err.println( 68 "Warning: part of test is not applicable in Tiered"); 69 } 70 } 71 }