| /* |
| * Copyright (c) 2014, 2016, 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 GetCodeHeapEntriesTest |
| * @bug 8059624 |
| * @summary testing of WB::getCodeHeapEntries() |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache |
| * compiler.whitebox.GetCodeHeapEntriesTest |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache |
| * compiler.whitebox.GetCodeHeapEntriesTest |
| */ |
| |
| package compiler.whitebox; |
| |
| import jdk.test.lib.Asserts; |
| import sun.hotspot.WhiteBox; |
| import sun.hotspot.code.BlobType; |
| import sun.hotspot.code.CodeBlob; |
| |
| import java.util.Arrays; |
| import java.util.EnumSet; |
| |
| public class GetCodeHeapEntriesTest { |
| private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
| private static final int SIZE = 1024; |
| private static final String DUMMY_NAME = "WB::DummyBlob"; |
| private static EnumSet<BlobType> SEGMENTED_TYPES |
| = EnumSet.complementOf(EnumSet.of(BlobType.All)); |
| |
| public static void main(String[] args) { |
| EnumSet<BlobType> blobTypes = BlobType.getAvailable(); |
| for (BlobType type : blobTypes) { |
| new GetCodeHeapEntriesTest(type).test(); |
| } |
| } |
| |
| private final BlobType type; |
| private GetCodeHeapEntriesTest(BlobType type) { |
| this.type = type; |
| } |
| |
| private void test() { |
| System.out.printf("type %s%n", type); |
| long addr = WHITE_BOX.allocateCodeBlob(SIZE, type.id); |
| Asserts.assertNE(0, addr, "allocation failed"); |
| CodeBlob[] blobs = CodeBlob.getCodeBlobs(type); |
| Asserts.assertNotNull(blobs); |
| CodeBlob blob = Arrays.stream(blobs) |
| .filter(GetCodeHeapEntriesTest::filter) |
| .findAny() |
| .get(); |
| Asserts.assertNotNull(blob); |
| Asserts.assertEQ(blob.code_blob_type, type); |
| Asserts.assertGTE(blob.size, SIZE); |
| |
| WHITE_BOX.freeCodeBlob(addr); |
| blobs = CodeBlob.getCodeBlobs(type); |
| long count = Arrays.stream(blobs) |
| .filter(GetCodeHeapEntriesTest::filter) |
| .count(); |
| Asserts.assertEQ(0L, count); |
| } |
| |
| private static boolean filter(CodeBlob blob) { |
| if (blob == null) { |
| return false; |
| } |
| return DUMMY_NAME.equals(blob.name); |
| } |
| } |