Fix compatibility Grid column reorder with partially hidden joined cells (#12385)

Fixes #12377

1 files changed, 27 insertions, 0 deletions

diff --git a/uitest/src/test/java/com/vaadin/v7/tests/components/grid/GridReorderMergedTest.java b/uitest/src/test/java/com/vaadin/v7/tests/components/grid/GridReorderMergedTest.java
new file mode 100644
index 0000000000..bab2ae2bb2
--- /dev/null
+++ b/uitest/src/test/java/com/vaadin/v7/tests/components/grid/GridReorderMergedTest.java
@@ -0,0 +1,27 @@
+package com.vaadin.v7.tests.components.grid;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.openqa.selenium.interactions.Actions;
+
+import com.vaadin.testbench.elements.GridElement;
+import com.vaadin.testbench.elements.GridElement.GridCellElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class GridReorderMergedTest extends MultiBrowserTest {
+
+    @Test
+    public void dragMerged() {
+        openTestURL();
+        GridElement grid = $(GridElement.class).first();
+        GridCellElement headerCell0_0 = grid.getHeaderCell(0, 0);
+        GridCellElement headerCell0_4 = grid.getHeaderCell(0, 4);
+        new Actions(driver).dragAndDrop(headerCell0_0, headerCell0_4).perform();
+
+        // ensure the first merged block got dragged over the entire second
+        // merged block
+        assertEquals("Unexpected column order,", "6",
+                grid.getHeaderCell(1, 1).getText());
+    }
+}