vaadin-framework/uitest/src/test/java/com/vaadin/v7/tests/components/combobox/ComboboxPageLengthZeroFilterTest.java

package com.vaadin.v7.tests.components.combobox;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;

import com.vaadin.testbench.By;
import com.vaadin.testbench.elements.ComboBoxElement;
import com.vaadin.tests.tb3.MultiBrowserTest;

public class ComboboxPageLengthZeroFilterTest extends MultiBrowserTest {

    @Test
    public void testOptionsNotEmpty() {
        openTestURL();

        List<String> suggestions = getFilterSuggestions("T");

        Assert.assertEquals("All items should be presented!", 12,
                suggestions.size());
    }

    private List<String> getFilterSuggestions(String string) {
        ComboBoxElement comboBox = $(ComboBoxElement.class).first();
        comboBox.findElement(By.vaadin("#textbox")).sendKeys(string);
        return comboBox.getPopupSuggestions();
    }
}