Run attached code.


import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.OverrunStyle;
import javafx.scene.control.Slider;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class JavaApplication42 extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(final Stage stage) throws Exception {
        Button button = new Button("One two three four five");
        button.setTextOverrun(OverrunStyle.CLIP);

        Slider slider = new Slider();
        slider.setShowTickLabels(true);
        slider.setShowTickMarks(true);
        slider.valueProperty().bindBidirectional(button.prefWidthProperty());

        Group group = new Group();
        Scene scene = new Scene(group, 300, 300);
        VBox vbox = new VBox(5.0);
        vbox.getChildren().clear();
        vbox.getChildren().addAll(button, slider);
        group.getChildren().clear();
        group.getChildren().addAll(vbox);
        stage.setScene(scene);
        stage.show();
    }
}

You can see here:
http://aurora-ds.ru.oracle.com:9500/runs/70276.ManualSubmit-1/workDir/javafx/scene/control/test/labeled/ToggleButtonsTest_setTextOverrunSingleLineTest/ToggleButtonsTest-setTextOverrunSingleLine.png

That clip make the same effect, as ellipsis. That makes diff:
http://aurora-ds.ru.oracle.com:9500/runs/70276.ManualSubmit-1/workDir/javafx/scene/control/test/labeled/ToggleButtonsTest_setTextOverrunSingleLineTest/ToggleButtonsTest-setTextOverrunSingleLine-diff.png