97 lines
3.1 KiB
Java
97 lines
3.1 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
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* @run testng/othervm -Dforeign.restricted=permit TestUpcallStubs
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*/
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import jdk.incubator.foreign.CLinker;
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import jdk.incubator.foreign.FunctionDescriptor;
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import jdk.incubator.foreign.MemoryAddress;
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import jdk.incubator.foreign.MemorySegment;
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import org.testng.annotations.*;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.lang.invoke.VarHandle;
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import static jdk.incubator.foreign.MemoryLayouts.JAVA_INT;
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import static org.testng.Assert.assertFalse;
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public class TestUpcallStubs {
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static final CLinker abi = CLinker.getInstance();
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static final MethodHandle MH_dummy;
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static {
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try {
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MH_dummy = MethodHandles.lookup()
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.findStatic(TestUpcallStubs.class, "dummy", MethodType.methodType(void.class));
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} catch (NoSuchMethodException | IllegalAccessException e) {
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throw new BootstrapMethodError(e);
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}
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}
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private static MemorySegment getStub() {
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return abi.upcallStub(MH_dummy, FunctionDescriptor.ofVoid());
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}
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@Test(expectedExceptions = UnsupportedOperationException.class)
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public void testNoAccess() {
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try (MemorySegment stub = getStub()) {
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VarHandle vh = JAVA_INT.varHandle(int.class);
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vh.set(stub, 10);
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}
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}
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@Test
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public void testFree() {
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MemorySegment stub = getStub();
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stub.close();
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assertFalse(stub.isAlive());
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}
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@Test(expectedExceptions = IllegalStateException.class)
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public void testAlreadyFreed() {
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MemorySegment stub = getStub();
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stub.close();
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stub.close(); // should fail
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}
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@DataProvider
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public static Object[][] badAddresses() {
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return new Object[][]{
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{ MemoryAddress.ofLong(42) /* random address */ },
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{ MemorySegment.ofArray(new int []{ 1, 2, 3 }).address() /* heap address */ }
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};
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}
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// where
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public static void dummy() {}
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}
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