📄 httpheaderfieldkeytest.java
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//I am willie
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.NoSuchElementException;
public class HttpHeaderFieldKeyTest {
/**
* A test URL from which to get headers.
*/
private static final String TEST_URL = "http://localhost:7080/pnews/MyJsp.jsp";
/**
* Index out of range.
*/
private static final int INDEX = 1;
/**
* Run the test, no arguments.
*/
public static final void main(String[] args) {
URL url = null;
URLConnection connection = null;
try {
url = new URL(TEST_URL);
connection = url.openConnection();
connection.connect();
try {
String header = connection.getHeaderFieldKey(INDEX);
if (header == null) {
System.out.println("Test passes, method returned null.");
}
else {
System.err.println("Test fails, header at index " +
INDEX +
" has value '" +
header +
"'.");
}
}
catch (NoSuchElementException nsee) {
System.err.println("Test fails, NoSuchElementException thrown.");
}
}
catch (IOException ioe) {
System.err.println("Test did not run, connection error for URL " +
TEST_URL);
}
}
}
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