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