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authorAnna Koskinen <Ansku@users.noreply.github.com>2019-05-20 09:35:49 +0300
committerSun Zhe <31067185+ZheSun88@users.noreply.github.com>2019-05-20 09:35:49 +0300
commit994f39b9ed46519ca3bfdc8914291e364e44694f (patch)
tree6f3e41040e88ea962af9ac77b611af2dd6387734 /uitest
parent4cd5f44e360ec68373d5a1b9b498c5553c04dc26 (diff)
downloadvaadin-framework-994f39b9ed46519ca3bfdc8914291e364e44694f.tar.gz
vaadin-framework-994f39b9ed46519ca3bfdc8914291e364e44694f.zip
Don't attempt to scroll to the beginning or end if Grid has no rows. (#11570)
Fixes #11558
Diffstat (limited to 'uitest')
-rw-r--r--uitest/src/main/java/com/vaadin/tests/components/grid/GridScrollWithoutRows.java61
1 files changed, 61 insertions, 0 deletions
diff --git a/uitest/src/main/java/com/vaadin/tests/components/grid/GridScrollWithoutRows.java b/uitest/src/main/java/com/vaadin/tests/components/grid/GridScrollWithoutRows.java
new file mode 100644
index 0000000000..7de07a5b32
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/components/grid/GridScrollWithoutRows.java
@@ -0,0 +1,61 @@
+package com.vaadin.tests.components.grid;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.Grid.SelectionMode;
+
+/**
+ * There is no corresponding TB test as this problem can only be reproduced
+ * using SuperDevMode.
+ */
+public class GridScrollWithoutRows extends AbstractTestUI {
+
+ private int counter = 0;
+
+ @Override
+ protected void setup(VaadinRequest request) {
+ List<Integer> data = new ArrayList<>();
+
+ Grid<Integer> grid = new Grid<>();
+ grid.addColumn(Integer::valueOf).setCaption("ID").setId("id");
+ grid.addColumn(Integer::valueOf).setCaption("FOO").setId("foo");
+ grid.setItems(data);
+
+ grid.setSelectionMode(SelectionMode.NONE);
+ grid.setWidth("250px");
+ grid.setHeightByRows(3);
+ addComponent(grid);
+
+ addComponent(new Button("Add row", e -> {
+ data.add(counter);
+ ++counter;
+ grid.getDataProvider().refreshAll();
+ }));
+ Button beginningButton = new Button("Scroll to beginning", e -> {
+ grid.scrollToStart();
+ });
+ beginningButton.setId("beginning");
+ addComponent(beginningButton);
+ Button endButton = new Button("Scroll to end", e -> {
+ grid.scrollToEnd();
+ });
+ endButton.setId("end");
+ addComponent(endButton);
+ }
+
+ @Override
+ protected String getTestDescription() {
+ return "It should be possible to scroll to beginning or end without assertion errors "
+ + "even when there are no rows (requires SuperDevMode).";
+ }
+
+ @Override
+ protected Integer getTicketNumber() {
+ return 11558;
+ }
+}