UPDATE: Dump of initial files

base/src/test/test_currency.rs

@@ -0,0 +1,24 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::test::util::new_empty_model;
+
+#[test]
+fn test_cell_currency_dollar() {
+    let mut model = new_empty_model();
+    model._set("A1", "=PMT(8/1200,10,10000)");
+    model.evaluate();
+
+    assert_eq!(model._get_text("A1"), "-$1,037.03");
+
+    assert!(model.set_currency("EUR").is_ok());
+}
+
+#[test]
+fn test_cell_currency_euro() {
+    let mut model = new_empty_model();
+    assert!(model.set_currency("EUR").is_ok());
+    model._set("A1", "=PMT(8/1200,10,10000)");
+    model.evaluate();
+
+    assert_eq!(model._get_text("A1"), "-€1,037.03");
+}