8168075: Custom system class loader + security manager + malformed policy file = recursive initialization
Reviewed-by: mchung, mullan
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import java.util.*;
import sun.security.util.Resources;
import sun.security.util.LocalizedMessage;
import java.text.MessageFormat;
/*
* @test
* @bug 8168075
* @summary Ensure that security message formatting code is capable of
* displaying all messages.
* @modules java.base/sun.security.util
*/
public class MessageFormatting {
private static final Object[] MSG_ARGS = new Integer[]{0, 1, 2};
public static void main(String[] args) throws Exception {
Resources resources = new Resources();
Enumeration<String> keys = resources.getKeys();
while (keys.hasMoreElements()) {
String curKey = keys.nextElement();
String formattedString = LocalizedMessage.getMessageUnbooted(curKey, MSG_ARGS);
String msg = resources.getString(curKey);
String expectedString = formatIfNecessary(msg, MSG_ARGS);
if (!formattedString.equals(expectedString)) {
System.err.println("Expected string:");
System.err.println(expectedString);
System.err.println("Actual string:");
System.err.println(formattedString);
throw new Exception("Incorrect message string");
}
}
}
private static String formatIfNecessary(String str, Object[] args) {
// message formatting code only formats messages with arguments
if (str.indexOf('{') < 0) {
return str;
}
MessageFormat format = new MessageFormat(str);
return format.format(args);
}
}