diff test/sanity/WhiteBox.java @ 10196:dc7db03f5aa2

8012337: Change Whitebox implementation to make absence of method in Whitebox.class not fatal Reviewed-by: kvn, vlivanov
author iignatyev
date Thu, 25 Apr 2013 11:04:36 -0700
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/sanity/WhiteBox.java	Thu Apr 25 11:04:36 2013 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2013, 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 WhiteBox
+ * @bug 8011675
+ * @summary verify that whitebox can be used even if not all functions are declared in java-part
+ * @author igor.ignatyev@oracle.com
+ * @library /testlibrary
+ * @compile WhiteBox.java
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI sun.hotspot.WhiteBox
+ * @clean sun.hotspot.WhiteBox
+ */
+
+package sun.hotspot;
+
+public class WhiteBox {
+    private static native void registerNatives();
+    static { registerNatives(); }
+    public native int notExistedMethod();
+    public native int getHeapOopSize();
+    public static void main(String[] args) {
+        WhiteBox wb = new WhiteBox();
+        if (wb.getHeapOopSize() < 0) {
+            throw new Error("wb.getHeapOopSize() < 0");
+        }
+        boolean catched = false;
+        try {
+            wb.notExistedMethod();
+        } catch (UnsatisfiedLinkError e) {
+            catched = true;
+        }
+        if (!catched) {
+            throw new Error("wb.notExistedMethod() was invoked");
+        }
+    }
+}