# HG changeset patch # User brutisso # Date 1418727084 -3600 # Tue Dec 16 11:51:24 2014 +0100 # Node ID 9098ee54d3ecf33a4ddde21d23c1331f51107bda # Parent bdf65c8bc1a91f5ba02c43e2c62be461ffe370f0 imported patch smallHEap diff --git a/test/gc/TestSmallHeap.java b/test/gc/TestSmallHeap.java new file mode 100644 --- /dev/null +++ b/test/gc/TestSmallHeap.java @@ -0,0 +1,45 @@ +/* + * 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 TestSmallHeap + * @bug 8067438 + * @requires vm.gc=="null" + * @summary Verify that starting the VM with a small heap works + * @run main/othervm -Xmx4m -XX:+UseParallelGC TestSmallHeap + * @run main/othervm -Xmx4m -XX:+UseSerialGC TestSmallHeap + * @run main/othervm -Xmx4m -XX:+UseG1GC TestSmallHeap + * @run main/othervm -Xmx4m -XX:+UseConcMarkSweepGC TestSmallHeap + */ + +import sun.management.ManagementFactoryHelper; +import static com.oracle.java.testlibrary.Asserts.*; + +public class TestSmallHeap { + + public static void main(String[] args) { + String maxHeap = ManagementFactoryHelper.getDiagnosticMXBean().getVMOption("MaxHeapSize").getValue(); + String expectedMaxHeap = "4194304"; + assertEQ(maxHeap, expectedMaxHeap); + } +}