/* * Copyright (c) 2022, 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. */ import jdk.test.lib.process.ProcessTools; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import static org.testng.Assert.assertNotEquals; import static org.testng.Assert.assertTrue; public class UpcallTestHelper extends NativeTestHelper { public record Output(List stdout, List stderr) { private static void assertContains(List lines, String shouldInclude, String name) { assertTrue(lines.stream().anyMatch(line -> line.contains(shouldInclude)), "Did not find '" + shouldInclude + "' in " + name); } public Output assertStdErrContains(String shouldInclude) { assertContains(stderr, shouldInclude, "stderr"); return this; } public Output assertStdOutContains(String shouldInclude) { assertContains(stdout, shouldInclude, "stdout"); return this; } } public Output runInNewProcess(Class target, boolean useSpec, String... programArgs) throws IOException, InterruptedException { assert !target.isArray(); List command = new ArrayList<>(List.of( "--enable-preview", "--enable-native-access=ALL-UNNAMED", "-Djava.library.path=" + System.getProperty("java.library.path"), "-Djdk.internal.foreign.UpcallLinker.USE_SPEC=" + useSpec, target.getName() )); command.addAll(Arrays.asList(programArgs)); Process process = ProcessTools.createTestJvm(command).start(); int result = process.waitFor(); assertNotEquals(result, 0); List outLines = linesFromStream(process.getInputStream()); outLines.forEach(System.out::println); List errLines = linesFromStream(process.getErrorStream()); errLines.forEach(System.err::println); return new Output(outLines, errLines); } private static List linesFromStream(InputStream stream) throws IOException { try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) { return reader.lines().toList(); } } }