Add IE11 workaround for ListSelect multiselection. (#11631)

Fixes #11608

1 files changed, 56 insertions, 0 deletions

diff --git a/uitest/src/test/java/com/vaadin/tests/components/listselect/ListSelectMultiSelectionTest.java b/uitest/src/test/java/com/vaadin/tests/components/listselect/ListSelectMultiSelectionTest.java
new file mode 100644
index 0000000000..a5b2c6394c
--- /dev/null
+++ b/uitest/src/test/java/com/vaadin/tests/components/listselect/ListSelectMultiSelectionTest.java
@@ -0,0 +1,56 @@
+package com.vaadin.tests.components.listselect;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.openqa.selenium.Keys;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.interactions.Actions;
+import org.openqa.selenium.support.ui.Select;
+
+import com.vaadin.testbench.By;
+import com.vaadin.testbench.elements.ListSelectElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class ListSelectMultiSelectionTest extends MultiBrowserTest {
+
+    @Override
+    protected Class<?> getUIClass() {
+        return ListSelectTestUI.class;
+    }
+
+    @Test
+    public void testShiftSelect() {
+        openTestURL();
+
+        ListSelectElement listSelect = $(ListSelectElement.class).first();
+        Select select = new Select(listSelect.getSelectElement());
+        List<WebElement> options = listSelect
+                .findElements(By.tagName("option"));
+        options.get(0).click();
+
+        List<WebElement> selected = select.getAllSelectedOptions();
+        assertEquals(1, selected.size());
+        assertEquals("Item 0", selected.get(0).getText());
+
+        new Actions(getDriver()).keyDown(Keys.SHIFT).perform();
+        options.get(1).click();
+        new Actions(getDriver()).keyUp(Keys.SHIFT).perform();
+
+        selected = select.getAllSelectedOptions();
+        assertEquals(2, selected.size());
+        assertEquals("Item 1", selected.get(1).getText());
+
+        new Actions(getDriver()).keyDown(Keys.SHIFT).perform();
+        options.get(2).click();
+        new Actions(getDriver()).keyUp(Keys.SHIFT).perform();
+
+        // ensure second shift selection added instead of moved
+        selected = select.getAllSelectedOptions();
+        assertEquals(3, selected.size());
+        assertEquals("Item 2", selected.get(2).getText());
+        assertEquals("Item 0", selected.get(0).getText());
+    }
+}