/* * Copyright (c) 2014, 2018, 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 * @bug 8031195 * @summary JDB allows evaluation of calls to static interface methods * @comment converted from test/jdk/com/sun/jdi/EvalInterfaceStatic.sh * * @library /test/lib * @build EvalInterfaceStatic * @run main/othervm EvalInterfaceStatic */ import lib.jdb.JdbCommand; import lib.jdb.JdbTest; /* * The test exercises the ability to invoke static methods on interfaces. * Static interface methods are a new feature added in JDK8. * * The test makes sure that it is possible to invoke an interface * static method and that the static methods are not inherited by extending * interfaces. */ interface EvalStaticInterfaces { static String staticMethod1() { return "base:staticMethod1"; } static String staticMethod2() { return "base:staticMethod2"; } public static void main(String[] args) { // prove that these work System.out.println("base staticMethod1(): " + EvalStaticInterfaces.staticMethod1()); System.out.println("base staticMethod2(): " + EvalStaticInterfaces.staticMethod2()); System.out.println("overridden staticMethod2(): " + ExtendedEvalStaticInterfaces.staticMethod2()); System.out.println("base staticMethod3(): " + ExtendedEvalStaticInterfaces.staticMethod3()); gus(); } static void gus() { int x = 0; // @1 breakpoint } } interface ExtendedEvalStaticInterfaces extends EvalStaticInterfaces { static String staticMethod2() { return "extended:staticMethod2"; } static String staticMethod3() { return "extended:staticMethod3"; } } public class EvalInterfaceStatic extends JdbTest { public static void main(String argv[]) { new EvalInterfaceStatic().run(); } private EvalInterfaceStatic() { super(DEBUGGEE_CLASS); } private static final String DEBUGGEE_CLASS = EvalStaticInterfaces.class.getName(); @Override protected void runCases() { setBreakpointsFromTestSource("EvalInterfaceStatic.java", 1); // Run to breakpoint #1 jdb.command(JdbCommand.run()); evalShouldContain("EvalStaticInterfaces.staticMethod1()", "base:staticMethod1"); evalShouldContain("EvalStaticInterfaces.staticMethod2()", "base:staticMethod2"); evalShouldNotContain("ExtendedEvalStaticInterfaces.staticMethod1()", "base:staticMethod1"); evalShouldContain("ExtendedEvalStaticInterfaces.staticMethod2()", "extended:staticMethod2"); evalShouldContain("ExtendedEvalStaticInterfaces.staticMethod3()", "extended:staticMethod3"); jdb.contToExit(1); } }