8055953: [TESTBUG] Fix for 8055098 does not contain unit test
Summary: Add missing unit test.
Reviewed-by: tschatzl
Contributed-by: Leonid Mesnik <leonid.mesnik@oracle.com>
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/gc/whitebox/TestWBGC.java Tue Aug 26 14:15:42 2014 +0200
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2014, 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 TestWBGC
+ * @bug 8055098
+ * @summary Test verify that WB methods isObjectInOldGen and youngGC works correctly.
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestWBGC
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * @run driver TestWBGC
+ */
+import com.oracle.java.testlibrary.*;
+import sun.hotspot.WhiteBox;
+
+public class TestWBGC {
+
+ public static void main(String args[]) throws Exception {
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+ true,
+ "-Xbootclasspath/a:.",
+ "-XX:+UnlockDiagnosticVMOptions",
+ "-XX:+WhiteBoxAPI",
+ "-XX:MaxTenuringThreshold=1",
+ "-XX:+PrintGC",
+ GCYoungTest.class.getName());
+
+ OutputAnalyzer output = new OutputAnalyzer(pb.start());
+ System.out.println(output.getStdout());
+ output.shouldHaveExitValue(0);
+ output.shouldContain("WhiteBox Initiated Young GC");
+ output.shouldNotContain("Full");
+ // To be sure that we don't provoke Full GC additionaly to young
+ }
+
+ public static class GCYoungTest {
+ static WhiteBox wb = WhiteBox.getWhiteBox();
+ public static Object obj;
+
+ public static void main(String args[]) {
+ obj = new Object();
+ Asserts.assertFalse(wb.isObjectInOldGen(obj));
+ wb.youngGC();
+ wb.youngGC();
+ // 2 young GC is needed to promote object into OldGen
+ Asserts.assertTrue(wb.isObjectInOldGen(obj));
+ }
+ }
+}