/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* 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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*/
/*
* @ test
* @ bug 8178017 8181897
* @ summary JDK 9 change to symlink handling causes misleading
* class . public . should . be . in . file diagnostic and SourceFile
* attribute content
* @ library / tools / lib
* @ modules jdk . compiler / com . sun . tools . javac . api
* jdk . compiler / com . sun . tools . javac . main
* jdk . jdeps / com . sun . tools . classfile
* @ build toolbox . JavacTask toolbox . TestRunner toolbox . ToolBox
* @ run main SymLinkTest
*/
import java.nio.file.FileSystemException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.sun.tools.classfile.Attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.SourceFile_attribute;
import toolbox.JavacTask;
import toolbox.TestRunner;
import toolbox.TestRunner.Test;
import toolbox.ToolBox;
public class SymLinkTest extends TestRunner {
public static void main(String... args) throws Exception {
new SymLinkTest().runTests(m -> new Object[] { Paths.get(m.getName()) });
}
private final ToolBox tb = new ToolBox();
public SymLinkTest() {
super (System.err);
}
@Test
public void testgetKind(Path base) throws Exception {
test(base, "SOURCE" );
}
@Test
public void testSymLink(Path base) throws Exception {
test(base, "SOURCE.java" );
}
void test(Path base, String name) throws Exception{
Path file = base.resolve(name);
Path javaFile = base.resolve("HelloWorld.java" );
tb.writeFile(file,
"public class HelloWorld {\n"
+ " public static void main(String... args) {\n"
+ " System.err.println(\" Hello World!\");\n"
+ " }\n"
+ "}" );
try {
Files.createSymbolicLink(javaFile, file.getFileName());
} catch (FileSystemException fse) {
System.err.println("warning: test passes vacuously, sym-link could not be created" );
System.err.println(fse.getMessage());
return ;
}
Path classes = Files.createDirectories(base.resolve("classes" ));
new JavacTask(tb)
.outdir(classes)
.files(javaFile)
.run()
.writeAll();
ClassFile cf = ClassFile.read(classes.resolve("HelloWorld.class" ));
SourceFile_attribute sf = (SourceFile_attribute) cf.attributes.get(Attribute.SourceFile);
String sourceFile = sf.getSourceFile(cf.constant_pool);
if (!"HelloWorld.java" .equals(sourceFile)) {
throw new AssertionError("Unexpected SourceFile attribute value: " + sourceFile);
}
}
}
Messung V0.5 in Prozent C=92 H=95 G=93
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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