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 java.lang.invoke.MethodHandles;
25 import java.lang.reflect.Method;
26 
27 import jdk.incubator.code.Op;
28 import jdk.incubator.code.interpreter.Interpreter;
29 import jdk.incubator.code.CodeReflection;
30 
31 import org.testng.Assert;
32 import org.testng.annotations.DataProvider;
33 import org.testng.annotations.Test;
34 
35 /*
36  * @test
37  * @modules jdk.incubator.code
38  * @run testng TestThrowing
39  */
40 
41 public class TestThrowing {
42 
43     @Test(dataProvider = "methods-exceptions")
44     public void testThrowsCorrectException(String methodName, Class<? extends Throwable> expectedExceptionType) throws NoSuchMethodException {
45         Method method = TestThrowing.class.getDeclaredMethod(methodName);
46         Assert.assertThrows(expectedExceptionType, () -> Interpreter.invoke(MethodHandles.lookup(), Op.ofMethod(method).orElseThrow()));
47     }
48 
49     @DataProvider(name = "methods-exceptions")
50     static Object[][] testData() throws NoSuchMethodException {
51         return new Object[][]{
52                 {"throwsError", TestError.class},
53                 {"throwsRuntimeException", TestRuntimeException.class},
54                 {"throwsCheckedException", TestCheckedException.class},
55         };
56     }
57 
58     public static class TestError extends Error {
59 
60     }
61 
62     public static class TestRuntimeException extends RuntimeException {
63 
64     }
65 
66     public static class TestCheckedException extends Exception {
67 
68     }
69 
70     @CodeReflection
71     static void throwsError() {
72         throw new TestError();
73     }
74 
75     @CodeReflection
76     static void throwsRuntimeException() {
77         throw new TestRuntimeException();
78     }
79 
80     @CodeReflection
81     static void throwsCheckedException() throws TestCheckedException {
82         throw new TestCheckedException();
83     }
84 }