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/*
* Copyright (c) 2020, 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 TestUpcallHighArity
*
* @run testng/othervm/native
* --enable-native-access=ALL-UNNAMED
* TestUpcallHighArity
*/
import java.lang.foreign.*;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodType;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
public class TestUpcallHighArity extends CallGeneratorHelper {
static final MethodHandle MH_do_upcall;
static final Linker LINKER = Linker.nativeLinker();
// struct S_PDI { void* p0; double p1; int p2; };
static final MemoryLayout S_PDI_LAYOUT = MemoryLayout.structLayout(
C_POINTER.withName("p0"),
C_DOUBLE.withName("p1"),
C_INT.withName("p2"),
MemoryLayout.paddingLayout(4)
);
static {
System.loadLibrary("TestUpcallHighArity");
MH_do_upcall = LINKER.downcallHandle(
findNativeOrThrow("do_upcall"),
FunctionDescriptor.ofVoid(C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER)
);
}
@Test(dataProvider = "args")
public void testUpcall(MethodHandle downcall, MethodType upcallType,
FunctionDescriptor upcallDescriptor) throws Throwable {
AtomicReference<Object[]> capturedArgs = new AtomicReference<>();
try (Arena arena = Arena.ofConfined()) {
Object[] args = new Object[upcallType.parameterCount() + 1];
args[0] = makeArgSaverCB(upcallDescriptor, arena, capturedArgs, -1);
List<MemoryLayout> argLayouts = upcallDescriptor.argumentLayouts();
List<Consumer<Object>> checks = new ArrayList<>();
for (int i = 1; i < args.length; i++) {
TestValue testValue = genTestValue(argLayouts.get(i - 1), arena);
args[i] = testValue.value();
checks.add(testValue.check());
}
downcall.invokeWithArguments(args);
Object[] capturedArgsArr = capturedArgs.get();
for (int i = 0; i < capturedArgsArr.length; i++) {
checks.get(i).accept(capturedArgsArr[i]);
}
}
}
@DataProvider
public static Object[][] args() {
return new Object[][]{
{ MH_do_upcall,
MethodType.methodType(void.class,
MemorySegment.class, int.class, double.class, MemorySegment.class,
MemorySegment.class, int.class, double.class, MemorySegment.class,
MemorySegment.class, int.class, double.class, MemorySegment.class,
MemorySegment.class, int.class, double.class, MemorySegment.class),
FunctionDescriptor.ofVoid(
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER,
S_PDI_LAYOUT, C_INT, C_DOUBLE, C_POINTER)
}
};
}
}
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