1 /* 2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @run testng TestLayoutAttributes 27 */ 28 29 import jdk.incubator.foreign.MemoryLayout; 30 import jdk.incubator.foreign.MemoryLayouts; 31 import org.testng.annotations.Test; 32 33 import java.util.List; 34 import java.util.stream.Collectors; 35 36 import static org.testng.Assert.assertEquals; 37 import static org.testng.Assert.assertTrue; 38 39 public class TestLayoutAttributes { 40 41 @Test testAttribute()42 public void testAttribute() { 43 MemoryLayout ml = MemoryLayouts.BITS_32_LE 44 .withAttribute("MyAttribute", 10L); 45 assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 10L); 46 } 47 48 @Test testAttributeOverwrite()49 public void testAttributeOverwrite() { 50 MemoryLayout ml = MemoryLayouts.BITS_32_LE 51 .withAttribute("MyAttribute", 10L); 52 assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 10L); 53 ml = ml.withAttribute("MyAttribute", 11L); 54 assertEquals((long) ml.attribute("MyAttribute").orElseThrow(), 11L); 55 } 56 57 @Test testAttributeNonExistent()58 public void testAttributeNonExistent() { 59 MemoryLayout ml = MemoryLayouts.BITS_32_LE 60 .withAttribute("MyAttribute", 10L); 61 assertTrue(ml.attribute("Foo").isEmpty()); 62 } 63 64 @Test testNameAttribute()65 public void testNameAttribute() { 66 MemoryLayout ml = MemoryLayouts.BITS_32_LE 67 .withName("foo"); 68 assertEquals(ml.name().orElseThrow(), "foo"); 69 assertEquals(ml.attribute(MemoryLayout.LAYOUT_NAME).orElseThrow(), "foo"); 70 } 71 72 @Test testAttributesStream()73 public void testAttributesStream() { 74 MemoryLayout ml = MemoryLayouts.BITS_32_LE 75 .withName("foo") 76 .withAttribute("MyAttribute", 10L); 77 List<String> attribs = ml.attributes().collect(Collectors.toList()); 78 assertEquals(attribs.size(), 2); 79 assertTrue(attribs.contains("MyAttribute")); 80 assertTrue(attribs.contains(MemoryLayout.LAYOUT_NAME)); 81 } 82 } 83