UPDATE: Dump of initial files

base/src/test/test_styles.rs

@@ -0,0 +1,64 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::model::Style;
+use crate::test::util::new_empty_model;
+
+#[test]
+fn test_model_set_cells_with_values_styles() {
+    let mut model = new_empty_model();
+    // Inputs
+    model.set_user_input(0, 1, 1, "21".to_string()); // A1
+    model.set_user_input(0, 2, 1, "42".to_string()); // A2
+
+    let style_base = model.get_style_for_cell(0, 1, 1);
+    let mut style = style_base.clone();
+    style.font.b = true;
+    style.num_fmt = "#,##0.00".to_string();
+    assert!(model.set_cell_style(0, 1, 1, &style).is_ok());
+
+    let mut style = style_base;
+    style.num_fmt = "#,##0.00".to_string();
+    assert!(model.set_cell_style(0, 2, 1, &style).is_ok());
+    let style: Style = model.get_style_for_cell(0, 2, 1);
+    assert_eq!(style.num_fmt, "#,##0.00".to_string());
+}
+
+#[test]
+fn test_named_styles() {
+    let mut model = new_empty_model();
+    model._set("A1", "42");
+    let mut style = model.get_style_for_cell(0, 1, 1);
+    style.font.b = true;
+    assert!(model.set_cell_style(0, 1, 1, &style).is_ok());
+    let bold_style_index = model.get_cell_style_index(0, 1, 1);
+    let e = model
+        .workbook
+        .styles
+        .add_named_cell_style("bold", bold_style_index);
+    assert!(e.is_ok());
+    model._set("A2", "420");
+    let a2_style_index = model.get_cell_style_index(0, 2, 1);
+    assert!(a2_style_index != bold_style_index);
+    let e = model.set_cell_style_by_name(0, 2, 1, "bold");
+    assert!(e.is_ok());
+    assert_eq!(model.get_cell_style_index(0, 2, 1), bold_style_index);
+}
+
+#[test]
+fn test_create_named_style() {
+    let mut model = new_empty_model();
+    model._set("A1", "42");
+
+    let mut style = model.get_style_for_cell(0, 1, 1);
+    assert!(!style.font.b);
+
+    style.font.b = true;
+    let e = model.workbook.styles.create_named_style("bold", &style);
+    assert!(e.is_ok());
+
+    let e = model.set_cell_style_by_name(0, 1, 1, "bold");
+    assert!(e.is_ok());
+
+    let style = model.get_style_for_cell(0, 1, 1);
+    assert!(style.font.b);
+}