8178508: Co-locate remaining MM tests

Converted Tonga test to JTREG and added an additional check for setUsageThreshold Reviewed-by: mchung, hb, iignatyev
2026-03-01 11:40:33 +00:00 · 2017-06-22 11:53:25 +05:30 · 2017-06-22 11:53:25 +05:30 · a54ee55cf1
commit a54ee55cf1
parent 4771f81a6d
1 changed files with 69 additions and 0 deletions
--- a/jdk/test/java/lang/management/MemoryPoolMXBean/LargeHeapThresholdTest.java
+++ b/jdk/test/java/lang/management/MemoryPoolMXBean/LargeHeapThresholdTest.java
@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2017, 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 6653214
+ * @requires os.simpleArch=="x64"
+ * @run main/othervm -Xmx3000M LargeHeapThresholdTest
+ * @summary MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes
+ *
+ * Large is >= 2 gigabytes
+ * This test tries to find memory pools with maximum allowable size of at
+ * least 2 gigabytes and set their usage thresholds to this value. If tested
+ * Java implementation is defective
+ * "java.lang.IllegalArgumentException: Invalid threshold value > max value of size_t"
+ * will be thrown.
+ * If no pool with maximum allowable size of at least 2 gigabytes exists
+ * the test passes. There is a good chance that such pool will exist if JVM
+ * is started with '-Xmx3000M' command line switch.
+ */
+
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.MemoryPoolMXBean;
+import java.util.List;
+
+
+public class LargeHeapThresholdTest {
+
+    final static long TWO_G = ((long) Integer.MAX_VALUE + 1); // 2 gigabytes
+
+    public static void main(String[] args) {
+        List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
+        boolean verified = false;
+        for (MemoryPoolMXBean i : pools) {
+            if ((i.getUsage().getMax() >= TWO_G)
+                    && i.isUsageThresholdSupported()) {
+                i.setUsageThreshold(TWO_G);
+                if(i.getUsageThreshold() != TWO_G)
+                    throw new RuntimeException("Usage threshold for"
+                            + " pool '" + i.getName() + "' is " + i.getUsageThreshold()
+                            + " and not equal to 2GB");
+                verified = true;
+            }
+        }
+        System.out.println("Ability to use big heap thresholds has "
+                + (verified ? "" : "NOT ") + "been verified");
+    }
+}