--- /dev/null 2014-10-31 14:00:36.452833932 +0300 +++ new/test/compiler/whitebox/GetCodeHeapEntriesTest.java 2014-11-05 19:24:03.435498981 +0300 @@ -0,0 +1,91 @@ +/* + * 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. + * + */ + +import java.util.Arrays; +import java.util.EnumSet; + +import sun.hotspot.WhiteBox; +import sun.hotspot.code.CodeBlob; +import sun.hotspot.code.BlobType; +import com.oracle.java.testlibrary.Asserts; + +/* + * @test GetCodeHeapEntriesTest + * @bug 8059624 + * @library /testlibrary /testlibrary/whitebox + * @build GetCodeHeapEntriesTest + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache + * GetCodeHeapEntriesTest + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache + * GetCodeHeapEntriesTest + * @summary testing of WB::getCodeHeapEntries() + */ +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 SEGMENTED_TYPES + = EnumSet.complementOf(EnumSet.of(BlobType.All)); + + public static void main(String[] args) { + EnumSet 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.allocateCodeHeap(SIZE, type.id); + CodeBlob blob = Arrays.stream(CodeBlob.getCodeBlobs(type)) + .filter(GetCodeHeapEntriesTest::filter) + .findAny() + .get(); + Asserts.assertNotNull(blob); + Asserts.assertEQ(blob.code_blob_type, type); + Asserts.assertGTE(blob.size, SIZE); + + WHITE_BOX.freeCodeHeap(addr); + long count = Arrays.stream(CodeBlob.getCodeBlobs(type)) + .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); + } +}