1 /*
2 * Copyright (c) 2021, 2023, 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 * @enablePreview
27 * @requires jdk.foreign.linker != "UNSUPPORTED"
28 * @library /test/lib
29 * @build TestUpcallException
30 *
31 * @run testng/othervm/native
32 * --enable-native-access=ALL-UNNAMED
33 * TestUpcallException
34 */
35
36 import org.testng.annotations.DataProvider;
37 import org.testng.annotations.Test;
38
39 import java.io.IOException;
40 import java.lang.foreign.Arena;
41 import java.lang.foreign.FunctionDescriptor;
42 import java.lang.foreign.Linker;
43 import java.lang.foreign.MemorySegment;
44 import java.lang.invoke.MethodHandle;
45 import java.lang.invoke.MethodHandles;
46 import java.lang.invoke.MethodType;
47
48 public class TestUpcallException extends UpcallTestHelper {
49
50 @Test(dataProvider = "exceptionCases")
51 public void testException(Class<?> target, boolean useSpec) throws InterruptedException, IOException {
52 runInNewProcess(target, useSpec)
53 .assertStdErrContains("Testing upcall exceptions");
54 }
55
56 @DataProvider
57 public static Object[][] exceptionCases() {
58 return new Object[][]{
59 { VoidUpcallRunner.class, false },
60 { NonVoidUpcallRunner.class, false },
61 { VoidUpcallRunner.class, true },
62 { NonVoidUpcallRunner.class, true }
63 };
64 }
65
66 public static class VoidUpcallRunner extends ExceptionRunnerBase {
67 public static void main(String[] args) throws Throwable {
68 try (Arena arena = Arena.ofConfined()) {
69 MemorySegment stub = Linker.nativeLinker().upcallStub(VOID_TARGET, FunctionDescriptor.ofVoid(), arena);
70 downcallVoid.invoke(stub); // should call Shutdown.exit(1);
71 }
72 }
73 }
74
75 public static class NonVoidUpcallRunner extends ExceptionRunnerBase {
76 public static void main(String[] args) throws Throwable {
77 try (Arena arena = Arena.ofConfined()) {
78 MemorySegment stub = Linker.nativeLinker().upcallStub(INT_TARGET, FunctionDescriptor.of(C_INT, C_INT), arena);
79 downcallNonVoid.invoke(42, stub); // should call Shutdown.exit(1);
80 }
81 }
82 }
83
84 // where
85
86 private static class ExceptionRunnerBase {
87 static final MethodHandle downcallVoid;
88 static final MethodHandle downcallNonVoid;
89 static final MethodHandle VOID_TARGET;
90 static final MethodHandle INT_TARGET;
91
92 static final Thread.UncaughtExceptionHandler UNCAUGHT_EXCEPTION_HANDLER
93 = (thread, throwable) -> System.out.println("From uncaught exception handler");
94
95 static {
96 System.loadLibrary("TestUpcall");
97 downcallVoid = Linker.nativeLinker().downcallHandle(
98 findNativeOrThrow("f0_V__"),
99 FunctionDescriptor.ofVoid(C_POINTER)
100 );
101 downcallNonVoid = Linker.nativeLinker().downcallHandle(
102 findNativeOrThrow("f10_I_I_"),
103 FunctionDescriptor.of(C_INT, C_INT, C_POINTER)
104 );
105 try {
106 MethodHandles.Lookup lookup = MethodHandles.lookup();
107 VOID_TARGET = lookup.findStatic(ExceptionRunnerBase.class, "throwException",
108 MethodType.methodType(void.class));
109 INT_TARGET = lookup.findStatic(ExceptionRunnerBase.class, "throwException",
110 MethodType.methodType(int.class, int.class));
111 } catch (ReflectiveOperationException e) {
112 throw new ExceptionInInitializerError(e);
113 }
114 }
115
116 public static void throwException() {
117 throw new RuntimeException("Testing upcall exceptions");
118 }
119
120 public static int throwException(int x) {
121 throw new RuntimeException("Testing upcall exceptions");
122 }
123 }
124 }