more passing tests

1 files changed, 13 insertions, 4 deletions

diff --git a/src/row.rs b/src/row.rs
index f9c4e77..1526ebc 100644
--- a/src/row.rs
+++ b/src/row.rs
@@ -22,15 +22,24 @@ impl Row {
 
     pub fn contents(&self, col_start: u16, col_end: u16) -> String {
         // XXX very inefficient
-        let mut max_col = 0;
+        let mut max_col = None;
         for (col, cell) in self.cells.iter().enumerate() {
             if cell.has_contents() {
-                max_col = col;
+                max_col = Some(col);
             }
         }
+
         let mut contents = String::new();
-        for col in col_start..=(col_end.min(max_col as u16)) {
-            contents += self.cells[col as usize].contents();
+        if let Some(max_col) = max_col {
+            for col in col_start..=(col_end.min(max_col as u16)) {
+                let cell_contents = self.cells[col as usize].contents();
+                let cell_contents = if cell_contents == "" {
+                    " "
+                } else {
+                    cell_contents
+                };
+                contents += cell_contents;
+            }
         }
         if !self.wrapped {
             contents += "\n";