test/hotspot/jtreg/serviceability/jvmti/ClassStatus/ClassStatus.java
changeset 58056 db92a157dd70
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/ClassStatus/ClassStatus.java	Mon Sep 09 11:04:04 2019 -0700
@@ -0,0 +1,92 @@
+/*
+ * 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 8212117
+ * @summary Verify JVMTI GetClassStatus returns CLASS_PREPARE after call to Class.forName()
+ * @run main/othervm/native -agentlib:ClassStatus ClassStatus
+ */
+
+
+public class ClassStatus {
+    static {
+        try {
+            System.out.println("ClassStatus static block");
+            System.loadLibrary("ClassStatus");
+        } catch (UnsatisfiedLinkError ule) {
+            System.err.println("Could not load ClassStatus library");
+            System.err.println("java.library.path: "
+                + System.getProperty("java.library.path"));
+            throw ule;
+        }
+    }
+
+    static native int check(Class klass);
+
+    public static void main(String[] args) throws ClassNotFoundException {
+        ClassLoader loader = ClassStatus.class.getClassLoader();
+        Module module = loader.getUnnamedModule();
+
+        // Load class, but don't initialize it
+        Class foo2 = Class.forName(module, "Foo2");
+        Class foo3 = Class.forName("Foo3", false, loader);
+
+        System.out.println("Loaded: " + foo2);
+        System.out.println("Loaded: " + foo3);
+
+        int status2 = check(foo2);
+        int status3 = check(foo3);
+
+        new Foo2().bar();
+        new Foo3().bar();
+
+        if (status2 != 0) {
+            System.out.println("The agent returned non-zero exit status for Foo2: " + status2);
+        }
+        if (status3 != 0) {
+            System.out.println("The agent returned non-zero exit status for Foo3: " + status3);
+        }
+        if (status2 != 0 || status3 != 0) {
+            throw new RuntimeException("Non-zero status returned from the agent");
+        }
+    }
+}
+
+class Foo2 {
+    static {
+        System.out.println("Foo2 is initialized");
+    }
+    void bar() {
+        System.out.println("Foo2.bar() is called");
+    }
+}
+
+class Foo3 {
+    static {
+        System.out.println("Foo3 is initialized");
+    }
+    void bar() {
+        System.out.println("Foo3.bar() is called");
+    }
+}