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