86 lines
3.4 KiB
Java
86 lines
3.4 KiB
Java
/*
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* Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @modules java.base/jdk.internal.foreign
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* @build NativeTestHelper CallGeneratorHelper TestDowncallBase
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*
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* @run testng/othervm -Xcheck:jni -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
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* --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
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* TestDowncallScope
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*
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* @run testng/othervm -Xint -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
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* --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=100000
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* TestDowncallScope
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*/
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import org.testng.annotations.Test;
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import java.lang.foreign.*;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Consumer;
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import static org.testng.Assert.assertEquals;
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public class TestDowncallScope extends TestDowncallBase {
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static {
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System.loadLibrary("TestDowncall");
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}
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@Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
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public void testDowncall(int count, String fName, CallGeneratorHelper.Ret ret,
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List<CallGeneratorHelper.ParamType> paramTypes,
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List<CallGeneratorHelper.StructFieldType> fields) throws Throwable {
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List<Consumer<Object>> checks = new ArrayList<>();
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MemorySegment addr = findNativeOrThrow(fName);
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FunctionDescriptor descriptor = function(ret, paramTypes, fields);
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try (Arena arena = Arena.ofShared()) {
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Object[] args = makeArgs(arena, descriptor, checks);
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boolean needsScope = descriptor.returnLayout().map(GroupLayout.class::isInstance).orElse(false);
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SegmentAllocator allocator = needsScope ?
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arena :
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THROWING_ALLOCATOR;
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Object res = doCall(addr, allocator, descriptor, args);
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if (ret == CallGeneratorHelper.Ret.NON_VOID) {
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checks.forEach(c -> c.accept(res));
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if (needsScope) {
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// check that return struct has indeed been allocated in the native scope
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assertEquals(((MemorySegment)res).scope(), arena.scope());
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}
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}
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}
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}
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static FunctionDescriptor function(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
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return function(ret, params, fields, List.of());
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}
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static Object[] makeArgs(Arena arena, FunctionDescriptor descriptor, List<Consumer<Object>> checks) {
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return makeArgs(arena, descriptor, checks, 0);
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}
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}
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