Fix Panel.setScrollTop() for large values (#8563)

Fixes #1149

1 files changed, 47 insertions, 0 deletions

diff --git a/uitest/src/test/java/com/vaadin/tests/components/panel/PanelSetScrollTopWithLargeNumberTest.java b/uitest/src/test/java/com/vaadin/tests/components/panel/PanelSetScrollTopWithLargeNumberTest.java
new file mode 100755
index 0000000000..9ddaf71596
--- /dev/null
+++ b/uitest/src/test/java/com/vaadin/tests/components/panel/PanelSetScrollTopWithLargeNumberTest.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2000-2017 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.tests.components.panel;
+
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+
+import com.vaadin.testbench.elements.PanelElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class PanelSetScrollTopWithLargeNumberTest extends MultiBrowserTest {
+    private PanelElement panel;
+
+    @Override
+    public void setup() throws Exception {
+        super.setup();
+        openTestURL();
+        waitForElementPresent(By.className("v-panel"));
+        panel = $(PanelElement.class).first();
+    }
+
+    @Test
+    public void testSetScrollTopWithLargeNumber() {
+        WebElement contentNode = panel
+                .findElement(By.className("v-panel-content"));
+        int panelContentScrollTop = ((Number) executeScript(
+                "return arguments[0].scrollTop", contentNode)).intValue();
+        assertGreater(
+                "Panel should scroll when scrollTop is set to a number larger than panel height",
+                panelContentScrollTop, 0);
+    }
+
+}