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 junit TestCopy
28  */
29 
30 import jdk.incubator.code.CodeReflection;
31 import jdk.incubator.code.CopyContext;
32 import jdk.incubator.code.Op;
33 import jdk.incubator.code.OpTransformer;
34 import jdk.incubator.code.dialect.core.CoreOp;
35 import jdk.incubator.code.extern.ExternalizedOp;
36 import org.junit.jupiter.api.Assertions;
37 import org.junit.jupiter.api.Test;
38 
39 import java.lang.reflect.Method;
40 import java.util.Optional;
41 import java.util.function.IntUnaryOperator;
42 import java.util.stream.Stream;
43 
44 public class TestCopy {
45 
46     @CodeReflection
47     static int f(int i) {
48         IntUnaryOperator f = j -> i + j;
49         return f.applyAsInt(42);
50     }
51 
52     @Test
53     public void testCopy() {
54         CoreOp.FuncOp f = getFuncOp("f");
55 
56         Op copy = f.transform(CopyContext.create(), OpTransformer.COPYING_TRANSFORMER);
57 
58         Assertions.assertEquals(copy.toText(), f.toText());
59     }
60 
61     @Test
62     public void testCopyWithDefinition() {
63         CoreOp.FuncOp f = getFuncOp("f");
64 
65         ExternalizedOp odef = ExternalizedOp.externalizeOp(CopyContext.create(), f);
66         Op copy = CoreOp.CORE_OP_FACTORY.constructOp(odef);
67 
68         Assertions.assertEquals(copy.toText(), f.toText());
69     }
70 
71     static CoreOp.FuncOp getFuncOp(String name) {
72         Optional<Method> om = Stream.of(TestCopy.class.getDeclaredMethods())
73                 .filter(m -> m.getName().equals(name))
74                 .findFirst();
75 
76         Method m = om.get();
77         return Op.ofMethod(m).get();
78     }
79 }