--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/shenandoah/oom/TestAllocLargeObj.java Mon Dec 10 15:47:44 2018 +0100
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
+ *
+ * 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 TestAllocLargeObj
+ * @summary Test allocation of small object to result OOM, but not to crash JVM
+ * @key gc
+ * @requires vm.gc.Shenandoah
+ * @library /test/lib
+ * @run main TestAllocLargeObj
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class TestAllocLargeObj {
+
+ static final int SIZE = 1 * 1024 * 1024;
+ static final int COUNT = 16;
+
+ static volatile Object sink;
+
+ public static void work() throws Exception {
+ Object[] root = new Object[COUNT];
+ sink = root;
+ for (int c = 0; c < COUNT; c++) {
+ root[c] = new Object[SIZE];
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ if (args.length > 0) {
+ work();
+ return;
+ }
+
+ {
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+ "-Xmx16m",
+ "-XX:+UnlockExperimentalVMOptions",
+ "-XX:+UseShenandoahGC",
+ TestAllocLargeObj.class.getName(),
+ "test");
+
+ OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+ analyzer.shouldHaveExitValue(1);
+ analyzer.shouldContain("java.lang.OutOfMemoryError: Java heap space");
+ }
+
+ {
+ ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+ "-Xmx1g",
+ "-XX:+UnlockExperimentalVMOptions",
+ "-XX:+UseShenandoahGC",
+ TestAllocLargeObj.class.getName(),
+ "test");
+
+ OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+ analyzer.shouldHaveExitValue(0);
+ analyzer.shouldNotContain("java.lang.OutOfMemoryError: Java heap space");
+ }
+ }
+}