Ensure pop-up is not opened, when tabbing out fast from Combobox (#11436)

Checking that no prior Combobox behavior is broken

* Cleaning-up the code

Adding UI test

* Adding TestBench test

1 files changed, 43 insertions, 0 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/components/combobox/ComboboxFastTabbingOut.java b/uitest/src/main/java/com/vaadin/tests/components/combobox/ComboboxFastTabbingOut.java
new file mode 100644
index 0000000000..1789f3ba85
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/components/combobox/ComboboxFastTabbingOut.java
@@ -0,0 +1,43 @@
+package com.vaadin.tests.components.combobox;
+
+import com.vaadin.annotations.Widgetset;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.ComboBox;
+
+import java.util.ArrayList;
+
+@Widgetset("com.vaadin.DefaultWidgetSet")
+public class ComboboxFastTabbingOut extends AbstractTestUI {
+    @Override
+    protected void setup(VaadinRequest request) {
+        ComboBox<String> combobox = new ComboBox<>(
+                "Press any letter and tab out fast. The pop-up should stay closed");
+        ArrayList<String> values = new ArrayList<>();
+        values.add("AMERICAN SAMOA");
+        values.add("ANTIGUA AND BARBUDA");
+        values.add("Bali");
+        combobox.setId("firstCombobox");
+        combobox.setItems(values);
+
+        ComboBox<String> combobox2 = new ComboBox<>(
+                "Focusing after tabbing from another CB should not open the pop-up");
+
+        combobox2.setItems("AMERICAN SAMOA", "ANTIGUA AND BARBUDA", "Lake 1",
+                "Lake 2");
+        combobox2.setId("secondCombobox");
+        addComponent(combobox);
+        addComponent(combobox2);
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "On tabbing out fast, the popup window stays closed";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 11354;
+    }
+
+}