changes

crates/domain/tests/metric/screen_time_minutes_test.rs

@@ -0,0 +1,12 @@
+use domain::metric::ScreenTimeMinutes;
+
+#[test]
+fn more_screen_time_than_a_day_holds_is_rejected() {
+    assert!(ScreenTimeMinutes::new(1_441).is_err());
+}
+
+#[test]
+fn the_boundaries_of_a_days_screen_time_are_valid() {
+    assert_eq!(ScreenTimeMinutes::new(0).unwrap().value(), 0);
+    assert_eq!(ScreenTimeMinutes::new(1_440).unwrap().value(), 1_440);
+}