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  * @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
27  * @run testng TestCondy
28  */
29 
30 import jdk.incubator.foreign.FunctionDescriptor;
31 import jdk.incubator.foreign.MemoryLayout;
32 import org.testng.annotations.DataProvider;
33 import org.testng.annotations.Test;
34 
35 import java.lang.constant.Constable;
36 import java.lang.constant.ConstantDesc;
37 import java.lang.invoke.MethodHandles;
38 import java.util.ArrayList;
39 import java.util.Arrays;
40 import java.util.List;
41 
42 import static jdk.incubator.foreign.ValueLayout.ADDRESS;
43 import static jdk.incubator.foreign.ValueLayout.JAVA_BOOLEAN;
44 import static jdk.incubator.foreign.ValueLayout.JAVA_BYTE;
45 import static jdk.incubator.foreign.ValueLayout.JAVA_CHAR;
46 import static jdk.incubator.foreign.ValueLayout.JAVA_DOUBLE;
47 import static jdk.incubator.foreign.ValueLayout.JAVA_FLOAT;
48 import static jdk.incubator.foreign.ValueLayout.JAVA_INT;
49 import static jdk.incubator.foreign.ValueLayout.JAVA_LONG;
50 import static jdk.incubator.foreign.ValueLayout.JAVA_SHORT;
51 import static org.testng.Assert.assertEquals;
52 
53 public class TestCondy {
54 
55     @Test(dataProvider = "constables")
56     public void testPublicResolve(Constable constable) throws ReflectiveOperationException {
57         ConstantDesc desc = constable.describeConstable().orElseThrow();
58         Object result = desc.resolveConstantDesc(MethodHandles.publicLookup());
59         assertEquals(result, constable);
60     }
61 
62 
63     private static final MemoryLayout[] constants = {
64         JAVA_BOOLEAN,
65         JAVA_CHAR,
66         JAVA_BYTE,
67         JAVA_SHORT,
68         JAVA_INT,
69         JAVA_FLOAT,
70         JAVA_LONG,
71         JAVA_DOUBLE,
72         ADDRESS
73     };
74 
75     @DataProvider
76     public static Object[][] constables() {
77         List<Constable> testValues = new ArrayList<>();
78 
79         testValues.addAll(Arrays.asList(constants));
80 
81         testValues.add(MemoryLayout.structLayout(constants));
82         testValues.add(MemoryLayout.unionLayout(constants));
83 
84         for (MemoryLayout ml : constants) {
85             testValues.add(MemoryLayout.sequenceLayout(ml));
86             testValues.add(MemoryLayout.sequenceLayout(10, ml));
87         }
88 
89         testValues.add(FunctionDescriptor.ofVoid(constants));
90         testValues.add(FunctionDescriptor.of(JAVA_BYTE, constants));
91 
92         return testValues.stream().map(e -> new Object[] { e }).toArray(Object[][]::new);
93     }
94 }