test(clear): test Clear rendering (#432)

ratatui-org · Aug 26, 2023 · e9bd736 · e9bd736
1 parent a890f2a
commit e9bd736
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/src/widgets/clear.rs b/src/widgets/clear.rs
@@ -35,3 +35,28 @@ impl Widget for Clear {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::assert_buffer_eq;
+
+    #[test]
+    fn render() {
+        let mut buf = Buffer::with_lines(vec!["xxxxxxxxxxxxxxx"; 7]);
+        let clear = Clear;
+        clear.render(Rect::new(1, 2, 3, 4), &mut buf);
+        assert_buffer_eq!(
+            buf,
+            Buffer::with_lines(vec![
+                "xxxxxxxxxxxxxxx",
+                "xxxxxxxxxxxxxxx",
+                "x   xxxxxxxxxxx",
+                "x   xxxxxxxxxxx",
+                "x   xxxxxxxxxxx",
+                "x   xxxxxxxxxxx",
+                "xxxxxxxxxxxxxxx",
+            ])
+        );
+    }
+}