--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head profile="http://selenium-ide.openqa.org/profiles/test-case">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+<link rel="selenium.base" href="" />
+<title>CheckBoxNullValue</title>
+</head>
+<body>
+<table cellpadding="1" cellspacing="1" border="1">
+<thead>
+<tr><td rowspan="1" colspan="3">CheckBoxNullValue</td></tr>
+</thead><tbody>
+<tr>
+ <td>open</td>
+ <td>/run/com.vaadin.tests.components.checkbox.CheckBoxNullValue?restartApplication</td>
+ <td></td>
+</tr>
+<tr>
+ <td>screenCapture</td>
+ <td></td>
+ <td>initial</td>
+</tr>
+<tr>
+ <td>click</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[2]/VButton[0]/domChild[0]/domChild[0]</td>
+ <td></td>
+</tr>
+<tr>
+ <td>screenCapture</td>
+ <td></td>
+ <td>bothnull</td>
+</tr>
+<tr>
+ <td>mouseClick</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[0]/VCheckBox[0]/domChild[0]</td>
+ <td>6,5</td>
+</tr>
+<tr>
+ <td>mouseClick</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[1]/VCheckBox[0]/domChild[0]</td>
+ <td>7,4</td>
+</tr>
+<tr>
+ <td>click</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[2]/VButton[0]/domChild[0]/domChild[0]</td>
+ <td></td>
+</tr>
+<tr>
+ <td>screenCapture</td>
+ <td></td>
+ <td>bothtrue</td>
+</tr>
+<tr>
+ <td>mouseClick</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[1]/VCheckBox[0]/domChild[0]</td>
+ <td>6,6</td>
+</tr>
+<tr>
+ <td>mouseClick</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[0]/VCheckBox[0]/domChild[0]</td>
+ <td>9,9</td>
+</tr>
+<tr>
+ <td>click</td>
+ <td>vaadin=runcomvaadintestscomponentscheckboxCheckBoxNullValue::/VVerticalLayout[0]/ChildComponentContainer[1]/VVerticalLayout[0]/ChildComponentContainer[2]/VButton[0]/domChild[0]/domChild[0]</td>
+ <td></td>
+</tr>
+<tr>
+ <td>screenCapture</td>
+ <td></td>
+ <td>bothfalse</td>
+</tr>
+
+</tbody></table>
+</body>
+</html>
--- /dev/null
+package com.vaadin.tests.components.checkbox;
+
+import com.vaadin.data.Validator.InvalidValueException;
+import com.vaadin.tests.components.TestBase;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.CheckBox;
+import com.vaadin.ui.Label;
+
+public class CheckBoxNullValue extends TestBase {
+
+ @Override
+ protected void setup() {
+ // workaround for #6919
+ getLayout().setWidth("100%");
+
+ final CheckBox checkbox = new CheckBox("A checkbox");
+ checkbox.setValue(null);
+ addComponent(checkbox);
+
+ final CheckBox requiredCheckbox = new CheckBox("A required checkbox");
+ requiredCheckbox.setRequired(true);
+ requiredCheckbox.setValue(null);
+ addComponent(requiredCheckbox);
+
+ final Label valueLabel = new Label("");
+
+ final Button button = new Button("Validate");
+ addComponent(button);
+ button.addListener(new Button.ClickListener() {
+ public void buttonClick(ClickEvent event) {
+ checkbox.setComponentError(null);
+ requiredCheckbox.setComponentError(null);
+ try {
+ checkbox.validate();
+ } catch (InvalidValueException e) {
+ checkbox.setComponentError(e);
+ }
+ try {
+ requiredCheckbox.validate();
+ } catch (InvalidValueException e) {
+ requiredCheckbox.setComponentError(e);
+ }
+ valueLabel.setValue("Checkbox: " + checkbox.getValue()
+ + "; Required checkbox: " + requiredCheckbox.getValue());
+ }
+ });
+ addComponent(valueLabel);
+ }
+
+ @Override
+ protected String getDescription() {
+ return "CheckBox should support null values.";
+ }
+
+ @Override
+ protected Integer getTicketNumber() {
+ return 6918;
+ }
+
+}