jdk-24/test/jdk/java/foreign/TestLayoutConstants.java
Jorn Vernee 8f4f088a12 8234049: Implementation of Memory Access API (Incubator)
Co-authored-by: Vlaidmir Ivanov <vladimir.x.ivanov@oracle.com>
Reviewed-by: alanb, psandoz, chegar, rriggs, plevart, briangoetz, jrose, adinn, vlivanov
2019-12-12 22:59:57 +00:00

97 lines
3.9 KiB
Java

/*
* Copyright (c) 2019, 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
* @run testng TestLayoutConstants
*/
import jdk.incubator.foreign.MemoryLayouts;
import jdk.incubator.foreign.MemoryLayout;
import java.lang.invoke.MethodHandles;
import org.testng.annotations.*;
import static org.testng.Assert.*;
public class TestLayoutConstants {
@Test(dataProvider = "layouts")
public void testDescribeResolve(MemoryLayout expected) {
try {
MemoryLayout actual = expected.describeConstable().get()
.resolveConstantDesc(MethodHandles.lookup());
assertEquals(actual, expected);
} catch (ReflectiveOperationException ex) {
throw new AssertionError(ex);
}
}
@DataProvider(name = "layouts")
public Object[][] createLayouts() {
return new Object[][] {
//padding
{ MemoryLayouts.PAD_32 },
{ MemoryLayout.ofSequence(MemoryLayouts.PAD_32) },
{ MemoryLayout.ofSequence(5, MemoryLayouts.PAD_32) },
{ MemoryLayout.ofStruct(MemoryLayouts.PAD_32, MemoryLayouts.PAD_32) },
{ MemoryLayout.ofUnion(MemoryLayouts.PAD_32, MemoryLayouts.PAD_32) },
//values, big endian
{ MemoryLayouts.BITS_32_BE },
{ MemoryLayout.ofStruct(
MemoryLayouts.BITS_32_BE,
MemoryLayouts.BITS_32_BE) },
{ MemoryLayout.ofUnion(
MemoryLayouts.BITS_32_BE,
MemoryLayouts.BITS_32_BE) },
//values, little endian
{ MemoryLayouts.BITS_32_LE },
{ MemoryLayout.ofStruct(
MemoryLayouts.BITS_32_LE,
MemoryLayouts.BITS_32_LE) },
{ MemoryLayout.ofUnion(
MemoryLayouts.BITS_32_LE,
MemoryLayouts.BITS_32_LE) },
//deeply nested
{ MemoryLayout.ofStruct(
MemoryLayouts.PAD_16,
MemoryLayout.ofStruct(
MemoryLayouts.PAD_8,
MemoryLayouts.BITS_32_BE)) },
{ MemoryLayout.ofUnion(
MemoryLayouts.PAD_16,
MemoryLayout.ofStruct(
MemoryLayouts.PAD_8,
MemoryLayouts.BITS_32_BE)) },
{ MemoryLayout.ofSequence(
MemoryLayout.ofStruct(
MemoryLayouts.PAD_8,
MemoryLayouts.BITS_32_BE)) },
{ MemoryLayout.ofSequence(5,
MemoryLayout.ofStruct(
MemoryLayouts.PAD_8,
MemoryLayouts.BITS_32_BE)) },
};
}
}