/*
* Copyright ( c ) 2015 , 2020 , 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
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*/
import java.io.File;
import java.net.URI;
import java.nio.file.FileSystem;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.ProviderNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.function .Consumer;
import java.util.stream.Stream;
import tests.Helper;
import tests.JImageGenerator;
import tests.JImageValidator;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
/*
* jimage testing .
* @ test
* @ summary Test jimage tool
* @ bug 8222100
* @ library . . / lib
* @ modules java . base / jdk . internal . jimage
* jdk . jdeps / com . sun . tools . classfile
* jdk . jlink / jdk . tools . jmod
* jdk . jlink / jdk . tools . jimage
* jdk . jlink / jdk . tools . jlink . internal
* jdk . compiler
* @ run build JImageTest
* @ run build tests . *
* @ run main / othervm / timeout = 360 - verbose : gc - Xmx1g JImageTest
*/
public class JImageTest {
public static void main(String[] args) throws Exception {
List<String> bootClasses = new ArrayList<>();
FileSystem fs;
try {
fs = FileSystems.getFileSystem(URI.create("jrt:/" ));
} catch (ProviderNotFoundException | FileSystemNotFoundException e) {
System.out.println("Not an image build, test skipped." );
return ;
}
// Build the set of locations expected in the Image
Consumer<Path> c = (p) -> {
// take only the .class resources.
if (Files.isRegularFile(p) && p.toString().endsWith(".class" )
&& !p.toString().endsWith("module-info.class" )) {
String loc = p.toString().substring("/modules" .length());
bootClasses.add(loc);
}
};
Path javabase = fs.getPath("/modules/java.base" );
Path mgtbase = fs.getPath("/modules/java.management" );
try (Stream<Path> stream = Files.walk(javabase)) {
stream.forEach(c);
}
try (Stream<Path> stream = Files.walk(mgtbase)) {
stream.forEach(c);
}
if (bootClasses.isEmpty()) {
throw new RuntimeException("No boot class to check against" );
}
File jdkHome = new File(System.getProperty("test.jdk" ));
Helper helper = Helper.newHelper();
if (helper == null ) {
// Skip test if the jmods directory is missing (e.g. exploded image)
System.err.println("Test not run, NO jmods directory" );
return ;
}
// Generate the sample image
String module = "mod1" ;
String[] classes = {module + ".Main" };
helper.generateDefaultJModule(module, Arrays.asList(classes), "java.management" );
Path image = helper.generateDefaultImage(module).assertSuccess();
Path extractedDir = JImageGenerator.getJImageTask()
.dir(helper.createNewExtractedDir("modules" ))
.image(image.resolve("lib" ).resolve("modules" ))
.extract().assertSuccess();
}
}
Messung V0.5 in Prozent C=94 H=85 G=89
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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