/*
* 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 .
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import jdk.test.lib.Utils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Paths;
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<String> stdout, List<String> stderr) {
private static void assertContains(List<String> lines, String shouldInclude) {
assertTrue(lines.stream().anyMatch(line -> line.contains(shouldInclude)),
"Did not find '" + shouldInclude + "' in stderr" );
}
public void assertStdErrContains(String shouldInclude) {
assertContains(stderr, shouldInclude);
}
}
public Output runInNewProcess(Class <?> target, boolean useSpec, String... programArgs) throws IOException, InterruptedException {
assert !target.isArray();
List<String> command = new ArrayList<>(List.of(
Paths.get(Utils.TEST_JDK)
.resolve("bin" )
.resolve("java" )
.toAbsolutePath()
.toString(),
"--enable-preview" ,
"--enable-native-access=ALL-UNNAMED" ,
"-Djava.library.path=" + System.getProperty("java.library.path" ),
"-Djdk.internal.foreign.ProgrammableUpcallHandler.USE_SPEC=" + useSpec,
"-cp" , Utils.TEST_CLASS_PATH,
target.getName()
));
command.addAll(Arrays.asList(programArgs));
Process process = new ProcessBuilder()
.command(command)
.start();
int result = process.waitFor();
assertNotEquals(result, 0 );
List<String> outLines = linesFromStream(process.getInputStream());
outLines.forEach(System.out::println);
List<String> errLines = linesFromStream(process.getErrorStream());
errLines.forEach(System.err::println);
return new Output(outLines, errLines);
}
private static List<String> linesFromStream(InputStream stream) throws IOException {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
return reader.lines().toList();
}
}
}
Messung V0.5 in Prozent C=94 H=89 G=91
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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