1 /*
2 * Copyright (c) 2022, 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 * @modules java.base/jdk.internal.foreign
27 * @build NativeTestHelper CallGeneratorHelper TestDowncallBase
28 *
29 * @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
30 * --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
31 * TestDowncallScope
32 *
33 * @run testng/othervm -Xint -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
34 * --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=100000
35 * TestDowncallScope
36 */
37
38 import org.testng.annotations.Test;
39
40 import java.lang.foreign.*;
41 import java.util.ArrayList;
42 import java.util.List;
43 import java.util.function.Consumer;
44
45 import static org.testng.Assert.assertEquals;
46
47 public class TestDowncallScope extends TestDowncallBase {
48
49 static {
50 System.loadLibrary("TestDowncall");
51 }
52
53 @Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
54 public void testDowncall(int count, String fName, CallGeneratorHelper.Ret ret,
55 List<CallGeneratorHelper.ParamType> paramTypes,
56 List<CallGeneratorHelper.StructFieldType> fields) throws Throwable {
57 List<Consumer<Object>> checks = new ArrayList<>();
58 MemorySegment addr = findNativeOrThrow(fName);
59 FunctionDescriptor descriptor = function(ret, paramTypes, fields);
60 try (Arena arena = Arena.ofShared()) {
61 Object[] args = makeArgs(arena, descriptor, checks);
62 boolean needsScope = descriptor.returnLayout().map(GroupLayout.class::isInstance).orElse(false);
63 SegmentAllocator allocator = needsScope ?
64 arena :
65 THROWING_ALLOCATOR;
66 Object res = doCall(addr, allocator, descriptor, args);
67 if (ret == CallGeneratorHelper.Ret.NON_VOID) {
68 checks.forEach(c -> c.accept(res));
69 if (needsScope) {
70 // check that return struct has indeed been allocated in the native scope
71 assertEquals(((MemorySegment)res).scope(), arena.scope());
72 }
73 }
74 }
75 }
76
77 static FunctionDescriptor function(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
78 return function(ret, params, fields, List.of());
79 }
80
81 static Object[] makeArgs(Arena arena, FunctionDescriptor descriptor, List<Consumer<Object>> checks) {
82 return makeArgs(arena, descriptor, checks, 0);
83 }
84
85 }