UPDATE: Dump of initial files

base/src/test/test_fn_exact.rs

@@ -0,0 +1,31 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::test::util::new_empty_model;
+
+#[test]
+fn fn_exact_args_number() {
+    let mut model = new_empty_model();
+
+    model._set("A1", "=EXACT(1)");
+    model._set("A2", "=EXACT(1, 1, 1)");
+
+    model.evaluate();
+
+    assert_eq!(model._get_text("A1"), *"#ERROR!");
+    assert_eq!(model._get_text("A2"), *"#ERROR!");
+}
+
+#[test]
+fn fn_exact() {
+    let mut model = new_empty_model();
+
+    model._set("A1", "=EXACT(2.3, 2.3)");
+    model._set("A2", r#"=EXACT(2.3, "2.3")"#);
+    model._set("A3", r#"=EXACT("Hello", "hello")"#);
+
+    model.evaluate();
+
+    assert_eq!(model._get_text("A1"), *"TRUE");
+    assert_eq!(model._get_text("A2"), *"TRUE");
+    assert_eq!(model._get_text("A3"), *"FALSE");
+}