From 614457a95d24ee7a307f5317d8a26c9876728a6c Mon Sep 17 00:00:00 2001
From: Teemu Suo-Anttila <teemusa@vaadin.com>
Date: Fri, 12 Feb 2016 09:35:41 +0200
Subject: Fix Grid DetailsGenerator being removed on Container change (#19593)

Change-Id: Ied328804260b1a7bb35093fca1d972735559cf41
---
 .../server/component/grid/GridContainerTest.java   | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'server/tests')

diff --git a/server/tests/src/com/vaadin/tests/server/component/grid/GridContainerTest.java b/server/tests/src/com/vaadin/tests/server/component/grid/GridContainerTest.java
index 527568eac8..079487d01f 100644
--- a/server/tests/src/com/vaadin/tests/server/component/grid/GridContainerTest.java
+++ b/server/tests/src/com/vaadin/tests/server/component/grid/GridContainerTest.java
@@ -19,10 +19,32 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import com.vaadin.data.util.IndexedContainer;
+import com.vaadin.ui.Component;
 import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.DetailsGenerator;
+import com.vaadin.ui.Grid.RowReference;
+import com.vaadin.ui.Label;
 
 public class GridContainerTest {
 
+    @Test
+    public void testDetailsGeneratorDoesNotResetOnContainerChange() {
+        Grid grid = new Grid();
+        DetailsGenerator detGen = new DetailsGenerator() {
+
+            @Override
+            public Component getDetails(RowReference rowReference) {
+                return new Label("Empty details");
+            }
+        };
+        grid.setDetailsGenerator(detGen);
+
+        grid.setContainerDataSource(createContainer());
+
+        Assert.assertEquals("DetailsGenerator changed", detGen,
+                grid.getDetailsGenerator());
+    }
+
     @Test
     public void testSetContainerTwice() throws Exception {
 
-- 
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