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*/
/* @test
* @ bug 8290313
* @ library / test / lib
* @ summary Produce warning when user specified java . io . tmpdir directory doesn ' t exist
*/
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;
public class TempDirDoesNotExist {
final static String ioWarningMsg = "WARNING: java.io.tmpdir directory does not exist" ;
public static void main(String... args) throws Exception {
String userDir = System.getProperty("user.home" );
String timeStamp = System.currentTimeMillis() + "" ;
String tempDir = Path.of(userDir,"non-existing-" , timeStamp).toString();
for (String arg : args) {
if (arg.equals("io" )) {
try {
File.createTempFile("prefix" , ".suffix" );
} catch (Exception e) {
e.printStackTrace();
}
} else if (arg.equals("nio" )) {
try {
Files.createTempFile("prefix" , ".suffix" );
} catch (Exception e) {
e.printStackTrace();
}
} else {
throw new Exception("unknown case: " + arg);
}
}
if (args.length == 0 ) {
// standard test with default setting for java.io.tmpdir
testMessageNotExist(0 , ioWarningMsg, "TempDirDoesNotExist" , "io" );
testMessageNotExist(0 , ioWarningMsg, "TempDirDoesNotExist" , "nio" );
// valid custom java.io.tmpdir
testMessageNotExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + userDir,
"TempDirDoesNotExist" , "io" );
testMessageNotExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + userDir,
"TempDirDoesNotExist" , "nio" );
// invalid custom java.io.tmpdir
testMessageExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + tempDir,
"TempDirDoesNotExist" , "io" );
testMessageExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + tempDir,
"TempDirDoesNotExist" , "nio" );
// test with security manager
testMessageExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + tempDir
+ " -Djava.security.manager" ,
"TempDirDoesNotExist" , "io" );
testMessageExist(0 , ioWarningMsg, "-Djava.io.tmpdir=" + tempDir
+ " -Djava.security.manager" ,
"TempDirDoesNotExist" , "nio" );
// error message printed only once
testMessageCounter(0 , "-Djava.io.tmpdir=" + tempDir,
"TempDirDoesNotExist" , "io" , "nio" );
}
}
private static void testMessageExist(int exitValue, String errorMsg, String... options) throws Exception {
ProcessTools.executeTestJvm(options).shouldContain(errorMsg)
.shouldHaveExitValue(exitValue);
}
private static void testMessageNotExist(int exitValue, String errorMsg,String... options) throws Exception {
ProcessTools.executeTestJvm(options).shouldNotContain(errorMsg).shouldHaveExitValue(exitValue);
}
private static void testMessageCounter(int exitValue,String... options) throws Exception {
OutputAnalyzer originalOutput = ProcessTools.executeTestJvm(options);
List<String> list = originalOutput.asLines().stream().filter(line
-> line.equalsIgnoreCase(ioWarningMsg)).collect(Collectors.toList());
if (list.size() != 1 || originalOutput.getExitValue() != exitValue)
throw new Exception("counter of messages is not one, but " + list.size()
+ "\n" + originalOutput.asLines().toString() + "\n" );
}
}
Messung V0.5 in Prozent C=90 H=90 G=90
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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