1 /* 2 * Copyright (c) 2015, 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 26 * @bug 8141564 27 * @summary vtables=trace should have logging from each of the statements in the code 28 * @library /testlibrary 29 * @compile ClassB.java 30 * p1/A.java 31 * p2/B.jcod 32 * p1/C.java 33 * @modules java.base/sun.misc 34 * java.management 35 * @run driver VtablesTest 36 */ 37 38 import jdk.test.lib.*; 39 40 public class VtablesTest { 41 public static void main(String[] args) throws Exception { 42 if (Platform.isDebugBuild()) { 43 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 44 "-Xlog:vtables=trace", "ClassB"); 45 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 46 output.shouldContain("copy vtable from ClassA to ClassB"); 47 output.shouldContain("Initializing: ClassB"); 48 output.shouldContain("adding ClassB.Method1()V"); 49 output.shouldContain("] overriding with ClassB::ClassB.Method2()V"); 50 output.shouldContain("invokevirtual resolved method: caller-class:ClassB"); 51 output.shouldContain("invokevirtual selected method: receiver-class:ClassB"); 52 output.shouldContain("NOT overriding with "); 53 output.shouldHaveExitValue(0); 54 55 pb = ProcessTools.createJavaProcessBuilder("-Xlog:vtables=trace", "p1/C"); 56 output = new OutputAnalyzer(pb.start()); 57 output.shouldContain("transitive overriding superclass "); 58 output.shouldHaveExitValue(0); 59 } 60 } 61 } 62