/*
* Copyright ( c ) 2022 , 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 ( ( os . arch = = " amd64 " | os . arch = = " x86_64 " ) & sun . arch . data . model = = " 64 " ) | os . arch = = " aarch64 "
* @ build NativeTestHelper CallGeneratorHelper TestDowncallBase
*
* @ run testng / othervm - XX : + IgnoreUnrecognizedVMOptions - XX : - VerifyDependencies
* - - enable - native - access = ALL - UNNAMED - Dgenerator . sample . factor = 17
* TestDowncallStack
*/
import org.testng.annotations.Test;
import java.lang.foreign.Arena;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.GroupLayout;
import java.lang.foreign.MemorySegment;
import java.lang.foreign.SegmentAllocator;
import java.util.ArrayList;
import java.util.List;
import java.util.function .Consumer;
import static org.testng.Assert .assertEquals;
public class TestDowncallStack extends TestDowncallBase {
static {
System.loadLibrary("TestDowncallStack" );
}
@Test(dataProvider="functions" , dataProviderClass=CallGeneratorHelper.class )
public void testDowncallStack(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("s" + fName);
FunctionDescriptor descriptor = functionStack(ret, paramTypes, fields);
Object[] args = makeArgsStack(paramTypes, fields, checks);
try (Arena arena = Arena.openShared()) {
boolean needsScope = descriptor.returnLayout().map(GroupLayout.class ::isInstance).orElse(false );
SegmentAllocator allocator = needsScope ?
SegmentAllocator.nativeAllocator(arena.scope()) :
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 functionStack(Ret ret, List<ParamType> params, List<StructFieldType> fields) {
return function (ret, params, fields, STACK_PREFIX_LAYOUTS);
}
static Object[] makeArgsStack(List<ParamType> params, List<StructFieldType> fields, List<Consumer<Object>> checks) throws ReflectiveOperationException {
return makeArgs(params, fields, checks, STACK_PREFIX_LAYOUTS);
}
}
Messung V0.5 in Prozent C=94 H=90 G=91
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
*© Formatika GbR, Deutschland