FIX: Fix a bug were a new column style would introduce an invalid format

base/src/test/user_model/test_recursive.rs

@@ -0,0 +1,42 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::{
+    constants::LAST_ROW, expressions::types::Area, test::util::new_empty_model, UserModel,
+};
+
+#[test]
+fn two_columns() {
+    let model = new_empty_model();
+    let mut model = UserModel::from_model(model);
+
+    // Set style in column C (column 3)
+    let column_c_range = Area {
+        sheet: 0,
+        row: 1,
+        column: 3,
+        width: 1,
+        height: LAST_ROW,
+    };
+    model
+        .update_range_style(&column_c_range, "fill.bg_color", "#333444")
+        .unwrap();
+    model.set_user_input(0, 5, 3, "2").unwrap();
+
+    // Set Style in column G (column 7)
+    let column_g_range = Area {
+        sheet: 0,
+        row: 1,
+        column: 7,
+        width: 1,
+        height: LAST_ROW,
+    };
+
+    model
+        .update_range_style(&column_g_range, "fill.bg_color", "#333444")
+        .unwrap();
+    model.set_user_input(0, 5, 6, "42").unwrap();
+    // Set formula in G5: =F5*C5
+    model.set_user_input(0, 5, 7, "=F5*C5").unwrap();
+
+    assert_eq!(model.get_formatted_cell_value(0, 5, 7).unwrap(), "84");
+}