jdk-24/test/jdk/java/foreign/TestLayoutAttributes.java
Chris Hegarty f3eb44a94d 8243491: Implementation of Foreign-Memory Access API (Second Incubator)
Upstream latest changes of the Foreign-Memory Access API

Co-authored-by: Jorn Vernee <jorn.vernee@oracle.com>
Co-authored-by: Mandy Chung <mandy.chung@oracle.com>
Co-authored-by: Paul Sandoz <paul.sandoz@oracle.com>
Co-authored-by: Peter Levart <peter.levart@gmail.com>
Reviewed-by: chegar, psandoz
2020-05-25 10:54:39 +01:00

84 lines
2.9 KiB
Java

/*
* Copyright (c) 2020, 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
* @run testng TestLayoutAttributes
*/
import jdk.incubator.foreign.MemoryLayout;
import jdk.incubator.foreign.MemoryLayouts;
import org.testng.annotations.Test;
import java.util.List;
import java.util.stream.Collectors;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
public class TestLayoutAttributes {
@Test
public void testAttribute() {
MemoryLayout ml = MemoryLayouts.BITS_32_LE
.withAttribute("MyAttribute", 10L);
assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 10L);
}
@Test
public void testAttributeOverwrite() {
MemoryLayout ml = MemoryLayouts.BITS_32_LE
.withAttribute("MyAttribute", 10L);
assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 10L);
ml = ml.withAttribute("MyAttribute", 11L);
assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 11L);
}
@Test
public void testAttributeNonExistent() {
MemoryLayout ml = MemoryLayouts.BITS_32_LE
.withAttribute("MyAttribute", 10L);
assertTrue(ml.attribute("Foo").isEmpty());
}
@Test
public void testNameAttribute() {
MemoryLayout ml = MemoryLayouts.BITS_32_LE
.withName("foo");
assertEquals(ml.name().orElseThrow(), "foo");
assertEquals(ml.attribute(MemoryLayout.LAYOUT_NAME).orElseThrow(), "foo");
}
@Test
public void testAttributesStream() {
MemoryLayout ml = MemoryLayouts.BITS_32_LE
.withName("foo")
.withAttribute("MyAttribute", 10L);
List<String> attribs = ml.attributes().collect(Collectors.toList());
assertEquals(attribs.size(), 2);
assertTrue(attribs.contains("MyAttribute"));
assertTrue(attribs.contains(MemoryLayout.LAYOUT_NAME));
}
}