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 import org.testng.Assert;
25 import org.testng.annotations.Test;
26 
27 import jdk.incubator.code.CopyContext;
28 import jdk.incubator.code.OpTransformer;
29 import jdk.incubator.code.Quoted;
30 import jdk.incubator.code.dialect.core.CoreOp;
31 import jdk.incubator.code.Op;
32 import jdk.incubator.code.bytecode.BytecodeGenerator;
33 import java.lang.invoke.MethodHandle;
34 import java.lang.invoke.MethodHandles;
35 
36 /*
37  * @test
38  * @modules jdk.incubator.code
39  * @run testng TestQuoted
40  */
41 
42 public class TestQuoted {
43 
44     @Test
45     public void testQuoted() throws Throwable {
46         Quoted q = (int i, int j) -> {
47             i = i + j;
48             return i;
49         };
50         CoreOp.ClosureOp cop = (CoreOp.ClosureOp) q.op();
51 
52         MethodHandle mh = generate(cop);
53 
54         Assert.assertEquals(3, (int) mh.invoke(1, 2));
55     }
56 
57     static <O extends Op & Op.Invokable> MethodHandle generate(O f) {
58         f.writeTo(System.out);
59 
60         @SuppressWarnings("unchecked")
61         O lf = (O) f.transform(CopyContext.create(), OpTransformer.LOWERING_TRANSFORMER);
62         lf.writeTo(System.out);
63 
64         return BytecodeGenerator.generate(MethodHandles.lookup(), lf);
65     }
66 }