import static javafx.scene.input.KeyCode.*;
import static javafx.scene.input.KeyEvent.*;
import javafx.embed.swing.JFXPanel;
import javafx.scene.input.KeyCharacterCombination;
import javafx.scene.input.KeyEvent;


public class KeyCharacterCombinationTest {

    public static void main(String[] args) {
        new JFXPanel(); // initialize JavaFX toolkit

        KeyCharacterCombination matcher = new KeyCharacterCombination("a");
        KeyEvent event = new KeyEvent(KEY_PRESSED, "", "", A, false, false, false, false);

        if(!matcher.match(event)) {
            throw new AssertionError("They should have matched");
        }
    }

}