1 /*
 2  * Copyright (c) 2024, 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  * @modules jdk.incubator.code
27  * @run testng TestCopy
28  */
29 
30 import org.testng.Assert;
31 import org.testng.annotations.Test;
32 
33 import java.lang.reflect.Method;
34 import jdk.incubator.code.CopyContext;
35 import jdk.incubator.code.Op;
36 import jdk.incubator.code.op.CoreOp;
37 import jdk.incubator.code.op.ExternalizableOp;
38 import jdk.incubator.code.CodeReflection;
39 import java.util.Optional;
40 import java.util.function.IntUnaryOperator;
41 import java.util.stream.Stream;
42 
43 public class TestCopy {
44 
45     @CodeReflection
46     static int f(int i) {
47         IntUnaryOperator f = j -> i + j;
48         return f.applyAsInt(42);
49     }
50 
51     @Test
52     public void testCopy() {
53         CoreOp.FuncOp f = getFuncOp("f");
54 
55         Op copy = f.copy();
56 
57         Assert.assertEquals(f.toText(), copy.toText());
58     }
59 
60     @Test
61     public void testCopyWithDefinition() {
62         CoreOp.FuncOp f = getFuncOp("f");
63 
64         ExternalizableOp.ExternalizedOp odef = ExternalizableOp.ExternalizedOp.externalizeOp(CopyContext.create(), f);
65         Op copy = CoreOp.FACTORY.constructOp(odef);
66 
67         Assert.assertEquals(f.toText(), copy.toText());
68     }
69 
70     static CoreOp.FuncOp getFuncOp(String name) {
71         Optional<Method> om = Stream.of(TestCopy.class.getDeclaredMethods())
72                 .filter(m -> m.getName().equals(name))
73                 .findFirst();
74 
75         Method m = om.get();
76         return Op.ofMethod(m).get();
77     }
78 }