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jdk-24/test/jdk/java/foreign/nested/TestNested.java
Jorn Vernee 32ac72c3d3 8312522: Implementation of Foreign Function & Memory API 
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Reviewed-by: dholmes, psandoz, mcimadamore, alanb
2023-10-12 19:50:08 +00:00

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/*
* Copyright (c) 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
* @library ../ /test/lib
* @requires jdk.foreign.linker != "FALLBACK"
* @build NativeTestHelper
* @run testng/othervm --enable-native-access=ALL-UNNAMED TestNested
*/
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.lang.foreign.Arena;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.GroupLayout;
import java.lang.foreign.MemoryLayout;
import java.lang.foreign.MemorySegment;
import java.lang.foreign.SegmentAllocator;
import java.lang.foreign.StructLayout;
import java.lang.foreign.UnionLayout;
import java.lang.invoke.MethodHandle;
import java.util.List;
import java.util.Random;
import java.util.concurrent.atomic.AtomicReference;
public class TestNested extends NativeTestHelper {
static {
System.loadLibrary("Nested");
}
@Test(dataProvider = "nestedLayouts")
public void testNested(GroupLayout layout) throws Throwable {
try (Arena arena = Arena.ofConfined()) {
Random random = new Random(0);
TestValue testValue = genTestValue(random, layout, arena);
String funcName = "test_" + layout.name().orElseThrow();
FunctionDescriptor downcallDesc = FunctionDescriptor.of(layout, layout, C_POINTER);
FunctionDescriptor upcallDesc = FunctionDescriptor.of(layout, layout);
MethodHandle downcallHandle = downcallHandle(funcName, downcallDesc);
AtomicReference<Object[]> returnBox = new AtomicReference<>();
MemorySegment stub = makeArgSaverCB(upcallDesc, arena, returnBox, 0);
MemorySegment returned = (MemorySegment) downcallHandle.invokeExact(
(SegmentAllocator) arena, (MemorySegment) testValue.value(), stub);
testValue.check().accept(returnBox.get()[0]);
testValue.check().accept(returned);
}
}
@DataProvider
public static Object[][] nestedLayouts() {
List<GroupLayout> layouts = List.of(
S1, U1, U17, S2, S3, S4, S5, S6, U2, S7, U3, U4, U5, U6, U7, S8, S9, U8, U9, U10, S10,
U11, S11, U12, S12, U13, U14, U15, S13, S14, U16, S15);
return layouts.stream().map(l -> new Object[]{l}).toArray(Object[][]::new);
}
static final StructLayout S1 = MemoryLayout.structLayout(
C_DOUBLE.withName("f0"),
C_LONG_LONG.withName("f1"),
C_DOUBLE.withName("f2"),
C_INT.withName("f3"),
MemoryLayout.paddingLayout(4)
).withName("S1");
static final UnionLayout U1 = MemoryLayout.unionLayout(
C_SHORT.withName("f0"),
C_LONG_LONG.withName("f1"),
C_SHORT.withName("f2"),
MemoryLayout.sequenceLayout(4, MemoryLayout.sequenceLayout(3, C_CHAR)).withName("f3"),
MemoryLayout.paddingLayout(16)
).withName("U1");
static final UnionLayout U17 = MemoryLayout.unionLayout(
C_CHAR.withName("f0"),
C_CHAR.withName("f1"),
C_LONG_LONG.withName("f2"),
C_DOUBLE.withName("f3")
).withName("U17");
static final StructLayout S2 = MemoryLayout.structLayout(
U17.withName("f0"),
MemoryLayout.sequenceLayout(4, C_LONG_LONG).withName("f1"),
C_SHORT.withName("f2"),
MemoryLayout.paddingLayout(6)
).withName("S2");
static final StructLayout S3 = MemoryLayout.structLayout(
C_FLOAT.withName("f0"),
C_INT.withName("f1"),
U1.withName("f2"),
S2.withName("f3")
).withName("S3");
static final StructLayout S4 = MemoryLayout.structLayout(
MemoryLayout.sequenceLayout(2, C_SHORT).withName("f0"),
MemoryLayout.paddingLayout(4),
S1.withName("f1")
).withName("S4");
static final StructLayout S5 = MemoryLayout.structLayout(
C_FLOAT.withName("f0"),
MemoryLayout.paddingLayout(4),
C_POINTER.withName("f1"),
S4.withName("f2")
).withName("S5");
static final StructLayout S6 = MemoryLayout.structLayout(
S5.withName("f0")
).withName("S6");
static final UnionLayout U2 = MemoryLayout.unionLayout(
C_FLOAT.withName("f0"),
C_SHORT.withName("f1"),
C_POINTER.withName("f2"),
C_FLOAT.withName("f3")
).withName("U2");
static final StructLayout S7 = MemoryLayout.structLayout(
C_DOUBLE.withName("f0"),
C_SHORT.withName("f1"),
C_SHORT.withName("f2"),
MemoryLayout.paddingLayout(4),
C_LONG_LONG.withName("f3")
).withName("S7");
static final UnionLayout U3 = MemoryLayout.unionLayout(
C_POINTER.withName("f0"),
U2.withName("f1"),
C_LONG_LONG.withName("f2"),
S7.withName("f3")
).withName("U3");
static final UnionLayout U4 = MemoryLayout.unionLayout(
C_FLOAT.withName("f0")
).withName("U4");
static final UnionLayout U5 = MemoryLayout.unionLayout(
U3.withName("f0"),
MemoryLayout.sequenceLayout(3, C_LONG_LONG).withName("f1"),
U4.withName("f2"),
C_FLOAT.withName("f3")
).withName("U5");
static final UnionLayout U6 = MemoryLayout.unionLayout(
C_SHORT.withName("f0"),
C_FLOAT.withName("f1"),
U5.withName("f2"),
C_SHORT.withName("f3")
).withName("U6");
static final UnionLayout U7 = MemoryLayout.unionLayout(
C_SHORT.withName("f0")
).withName("U7");
static final StructLayout S8 = MemoryLayout.structLayout(
MemoryLayout.sequenceLayout(3, C_DOUBLE).withName("f0"),
U7.withName("f1"),
MemoryLayout.paddingLayout(6),
C_POINTER.withName("f2"),
C_POINTER.withName("f3")
).withName("S8");
static final StructLayout S9 = MemoryLayout.structLayout(
C_CHAR.withName("f0"),
MemoryLayout.paddingLayout(7),
MemoryLayout.sequenceLayout(2, C_DOUBLE).withName("f1"),
C_CHAR.withName("f2"),
MemoryLayout.paddingLayout(7),
S8.withName("f3")
).withName("S9");
static final UnionLayout U8 = MemoryLayout.unionLayout(
C_LONG_LONG.withName("f0"),
C_POINTER.withName("f1"),
S9.withName("f2")
).withName("U8");
static final UnionLayout U9 = MemoryLayout.unionLayout(
C_INT.withName("f0"),
C_DOUBLE.withName("f1"),
MemoryLayout.sequenceLayout(2, C_SHORT).withName("f2"),
C_LONG_LONG.withName("f3")
).withName("U9");
static final UnionLayout U10 = MemoryLayout.unionLayout(
C_LONG_LONG.withName("f0"),
U9.withName("f1"),
C_CHAR.withName("f2"),
C_FLOAT.withName("f3")
).withName("U10");
static final StructLayout S10 = MemoryLayout.structLayout(
MemoryLayout.sequenceLayout(4, C_DOUBLE).withName("f0")
).withName("S10");
static final UnionLayout U11 = MemoryLayout.unionLayout(
MemoryLayout.sequenceLayout(3, S10).withName("f0")
).withName("U11");
static final StructLayout S11 = MemoryLayout.structLayout(
C_SHORT.withName("f0"),
C_CHAR.withName("f1"),
MemoryLayout.paddingLayout(1)
).withName("S11");
static final UnionLayout U12 = MemoryLayout.unionLayout(
C_FLOAT.withName("f0"),
S11.withName("f1"),
C_CHAR.withName("f2"),
C_CHAR.withName("f3")
).withName("U12");
static final StructLayout S12 = MemoryLayout.structLayout(
U12.withName("f0"),
C_FLOAT.withName("f1")
).withName("S12");
static final UnionLayout U13 = MemoryLayout.unionLayout(
C_FLOAT.withName("f0"),
S12.withName("f1")
).withName("U13");
static final UnionLayout U14 = MemoryLayout.unionLayout(
C_INT.withName("f0"),
MemoryLayout.sequenceLayout(2, C_POINTER).withName("f1"),
MemoryLayout.sequenceLayout(2, MemoryLayout.sequenceLayout(3, C_FLOAT)).withName("f2")
).withName("U14");
static final UnionLayout U15 = MemoryLayout.unionLayout(
C_POINTER.withName("f0"),
C_LONG_LONG.withName("f1"),
MemoryLayout.sequenceLayout(1, C_DOUBLE).withName("f2"),
C_LONG_LONG.withName("f3")
).withName("U15");
static final StructLayout S13 = MemoryLayout.structLayout(
C_INT.withName("f0"),
C_CHAR.withName("f1"),
MemoryLayout.paddingLayout(3),
C_POINTER.withName("f2"),
C_CHAR.withName("f3"),
MemoryLayout.paddingLayout(7)
).withName("S13");
static final StructLayout S14 = MemoryLayout.structLayout(
C_LONG_LONG.withName("f0")
).withName("S14");
static final UnionLayout U16 = MemoryLayout.unionLayout(
MemoryLayout.sequenceLayout(4, C_SHORT).withName("f0"),
C_INT.withName("f1"),
S13.withName("f2"),
S14.withName("f3")
).withName("U16");
static final StructLayout S15 = MemoryLayout.structLayout(
U16.withName("f0"),
C_FLOAT.withName("f1"),
C_INT.withName("f2"),
C_LONG_LONG.withName("f3")
).withName("S15");
}
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