test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineDeleteJmethod.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineDeleteJmethod.java Tue Mar 19 14:22:47 2019 -0400
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019, 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 8181171
+ * @summary Test deleting static method pointing to by a jmethod
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ * @modules java.compiler
+ * java.instrument
+ * jdk.jartool/sun.tools.jar
+ * @run main RedefineClassHelper
+ * @run main/native/othervm -javaagent:redefineagent.jar -Xlog:redefine+class*=trace RedefineDeleteJmethod
+ */
+
+class B {
+ private static int deleteMe() { System.out.println("deleteMe called"); return 5; }
+ public static int callDeleteMe() { return deleteMe(); }
+}
+
+public class RedefineDeleteJmethod {
+
+ public static String newB =
+ "class B {" +
+ "public static int callDeleteMe() { return 6; }" +
+ "}";
+
+ public static String newerB =
+ "class B {" +
+ "private static int deleteMe() { System.out.println(\"deleteMe (2) called\"); return 7; }" +
+ "public static int callDeleteMe() { return deleteMe(); }" +
+ "}";
+
+
+ static {
+ System.loadLibrary("RedefineDeleteJmethod");
+ }
+
+ static native int jniCallDeleteMe();
+
+ static void test(int expected, boolean nsme_expected) throws Exception {
+ // Call through static method
+ int res = B.callDeleteMe();
+ System.out.println("Result = " + res);
+ if (res != expected) {
+ throw new Error("returned " + res + " expected " + expected);
+ }
+
+ // Call through jmethodID, saved from first call.
+ try {
+ res = jniCallDeleteMe();
+ if (nsme_expected) {
+ throw new RuntimeException("Failed, NoSuchMethodError expected");
+ }
+ if (res != expected) {
+ throw new Error("returned " + res + " expected " + expected);
+ }
+ } catch (NoSuchMethodError ex) {
+ if (!nsme_expected) {
+ throw new RuntimeException("Failed, NoSuchMethodError not expected");
+ }
+ System.out.println("Passed, NoSuchMethodError expected");
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ test(5, false);
+ RedefineClassHelper.redefineClass(B.class, newB);
+ test(6, true);
+ RedefineClassHelper.redefineClass(B.class, newerB);
+ test(7, true);
+ }
+}