jdk-24/test/jdk/java/foreign/TestLinker.java
Jorn Vernee 0452c39fec 8296477: Foreign linker implementation update following JEP 434
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Nick Gasson <ngasson@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Reviewed-by: rehn, mcimadamore, vlivanov
2022-12-05 14:47:12 +00:00

76 lines
2.7 KiB
Java

/*
* 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" | os.arch=="aarch64"
* @run testng TestLinker
*/
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.Linker;
import java.lang.invoke.MethodHandle;
import static org.testng.Assert.assertNotSame;
public class TestLinker extends NativeTestHelper {
@Test
public void testLinkerOptionsCache() {
Linker linker = Linker.nativeLinker();
FunctionDescriptor descriptor = FunctionDescriptor.ofVoid(C_INT, C_INT);
MethodHandle mh1 = linker.downcallHandle(descriptor);
MethodHandle mh2 = linker.downcallHandle(descriptor, Linker.Option.firstVariadicArg(1));
// assert that these are 2 distinct link request. No caching allowed
assertNotSame(mh1, mh2);
}
@DataProvider
public static Object[][] invalidIndexCases() {
return new Object[][]{
{ -1, },
{ 42, },
};
}
@Test(dataProvider = "invalidIndexCases",
expectedExceptions = IllegalArgumentException.class,
expectedExceptionsMessageRegExp = ".*not in bounds for descriptor.*")
public void testInvalidOption(int invalidIndex) {
Linker.Option option = Linker.Option.firstVariadicArg(invalidIndex);
FunctionDescriptor desc = FunctionDescriptor.ofVoid();
Linker.nativeLinker().downcallHandle(desc, option); // throws
}
@Test(expectedExceptions = IllegalArgumentException.class,
expectedExceptionsMessageRegExp = ".*Unknown name.*")
public void testInvalidPreservedValueName() {
Linker.Option.captureCallState("foo"); // throws
}
}