1 /* 2 * Copyright (c) 2016, 2020, 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 /test/lib 29 * @requires vm.debug 30 * @compile ClassB.java 31 * p1/A.java 32 * p2/B.jcod 33 * p1/C.java 34 * p2/D.java 35 * @modules java.base/jdk.internal.misc 36 * java.management 37 * @run driver VtablesTest 38 */ 39 40 import jdk.test.lib.Platform; 41 import jdk.test.lib.process.ProcessTools; 42 import jdk.test.lib.process.OutputAnalyzer; 43 44 public class VtablesTest { main(String[] args)45 public static void main(String[] args) throws Exception { 46 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:vtables=trace", "ClassB"); 47 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 48 output.shouldContain("copy vtable from ClassA to ClassB"); 49 output.shouldContain("Initializing: ClassB"); 50 output.shouldContain("adding ClassB.Method1()V"); 51 output.shouldContain("] overriding with ClassB.Method2()V"); 52 output.shouldContain("invokevirtual resolved method: caller-class:ClassB"); 53 output.shouldContain("invokevirtual selected method: receiver-class:ClassB"); 54 output.shouldContain("NOT overriding with p2.D.nooverride()V"); 55 output.shouldHaveExitValue(0); 56 57 pb = ProcessTools.createJavaProcessBuilder("-Xlog:vtables=trace", "p1/C"); 58 output = new OutputAnalyzer(pb.start()); 59 output.shouldContain("transitive overriding superclass "); 60 output.shouldHaveExitValue(0); 61 } 62 } 63 64