73baadceb6
Co-authored-by: Jorn Vernee <jvernee@openjdk.org> Co-authored-by: Per Minborg <pminborg@openjdk.org> Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org> Reviewed-by: jvernee, pminborg, psandoz, alanb, sundar
125 lines
4.6 KiB
Java
125 lines
4.6 KiB
Java
/*
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* Copyright (c) 2020, 2022, 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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* @enablePreview
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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 --enable-native-access=ALL-UNNAMED TestFunctionDescriptor
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*/
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.MemoryLayout;
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import java.lang.foreign.MemorySegment;
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import java.lang.invoke.MethodType;
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import java.util.List;
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import java.util.Optional;
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import org.testng.annotations.Test;
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import static org.testng.Assert.assertEquals;
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import static org.testng.Assert.assertFalse;
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import static org.testng.Assert.assertNotEquals;
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import static org.testng.Assert.assertTrue;
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public class TestFunctionDescriptor extends NativeTestHelper {
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static final String DUMMY_ATTR = "dummy";
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@Test
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public void testOf() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_DOUBLE, C_LONG_LONG);
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assertEquals(fd.argumentLayouts(), List.of(C_DOUBLE, C_LONG_LONG));
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Optional<MemoryLayout> returnLayoutOp = fd.returnLayout();
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assertTrue(returnLayoutOp.isPresent());
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assertEquals(returnLayoutOp.get(), C_INT);
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}
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@Test
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public void testOfVoid() {
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FunctionDescriptor fd = FunctionDescriptor.ofVoid(C_DOUBLE, C_LONG_LONG);
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assertEquals(fd.argumentLayouts(), List.of(C_DOUBLE, C_LONG_LONG));
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Optional<MemoryLayout> returnLayoutOp = fd.returnLayout();
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assertFalse(returnLayoutOp.isPresent());
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}
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@Test
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public void testAppendArgumentLayouts() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_DOUBLE, C_LONG_LONG);
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fd = fd.appendArgumentLayouts(C_POINTER);
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assertEquals(fd.argumentLayouts(), List.of(C_DOUBLE, C_LONG_LONG, C_POINTER));
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Optional<MemoryLayout> returnLayoutOp = fd.returnLayout();
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assertTrue(returnLayoutOp.isPresent());
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assertEquals(returnLayoutOp.get(), C_INT);
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}
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@Test
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public void testChangeReturnLayout() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_DOUBLE, C_LONG_LONG);
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fd = fd.changeReturnLayout(C_INT);
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assertEquals(fd.argumentLayouts(), List.of(C_DOUBLE, C_LONG_LONG));
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Optional<MemoryLayout> returnLayoutOp = fd.returnLayout();
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assertTrue(returnLayoutOp.isPresent());
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assertEquals(returnLayoutOp.get(), C_INT);
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}
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@Test
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public void testDropReturnLayout() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_DOUBLE, C_LONG_LONG);
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fd = fd.dropReturnLayout();
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assertEquals(fd.argumentLayouts(), List.of(C_DOUBLE, C_LONG_LONG));
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Optional<MemoryLayout> returnLayoutOp = fd.returnLayout();
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assertFalse(returnLayoutOp.isPresent());
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}
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@Test
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public void testEquals() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT, C_INT, C_INT);
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assertEquals(fd, fd);
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}
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@Test
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public void testCarrierMethodType() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT,
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C_INT,
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MemoryLayout.structLayout(C_INT, C_INT));
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MethodType cmt = fd.toMethodType();
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assertEquals(cmt, MethodType.methodType(int.class, int.class, MemorySegment.class));
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}
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@Test(expectedExceptions = IllegalArgumentException.class)
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public void testBadCarrierMethodType() {
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FunctionDescriptor fd = FunctionDescriptor.of(C_INT,
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C_INT,
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MemoryLayout.structLayout(C_INT, C_INT),
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MemoryLayout.sequenceLayout(3, C_INT),
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MemoryLayout.paddingLayout(32));
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fd.toMethodType(); // should throw
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}
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}
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