Refactor windows module in Local (#992)

Cargo.toml

@@ -44,7 +44,7 @@ js-sys = { version = "0.3", optional = true } # contains FFI bindings for the JS
 
 
 [target.'cfg(windows)'.dependencies]
-winapi = { version = "0.3.0", features = ["std", "minwinbase", "minwindef", "timezoneapi"], optional = true }
+winapi = { version = "0.3.0", features = ["std", "minwinbase", "minwindef", "timezoneapi", "sysinfoapi"], optional = true }
 
 [target.'cfg(unix)'.dependencies]
 iana-time-zone = { version = "0.1.45", optional = true, features = ["fallback"] }

src/datetime/tests.rs

@@ -950,3 +950,38 @@ fn test_datetime_sub_assign_local() {
         assert_eq!(datetime_sub, datetime - Duration::days(i))
     }
 }
+
+#[test]
+#[cfg(target_os = "windows")]
+fn test_from_naive_date_time_windows() {
+    let min_year = NaiveDate::from_ymd_opt(1601, 1, 3).unwrap().and_hms_opt(0, 0, 0).unwrap();
+
+    let max_year = NaiveDate::from_ymd_opt(30827, 12, 29).unwrap().and_hms_opt(23, 59, 59).unwrap();
+
+    let too_low_year =
+        NaiveDate::from_ymd_opt(1600, 12, 29).unwrap().and_hms_opt(23, 59, 59).unwrap();
+
+    let too_high_year = NaiveDate::from_ymd_opt(30829, 1, 3).unwrap().and_hms_opt(0, 0, 0).unwrap();
+
+    let _ = Local.from_utc_datetime(&min_year);
+    let _ = Local.from_utc_datetime(&max_year);
+
+    let _ = Local.from_local_datetime(&min_year);
+    let _ = Local.from_local_datetime(&max_year);
+
+    let local_too_low = Local.from_local_datetime(&too_low_year);
+    let local_too_high = Local.from_local_datetime(&too_high_year);
+
+    assert_eq!(local_too_low, LocalResult::None);
+    assert_eq!(local_too_high, LocalResult::None);
+
+    let err = std::panic::catch_unwind(|| {
+        Local.from_utc_datetime(&too_low_year);
+    });
+    assert!(err.is_err());
+
+    let err = std::panic::catch_unwind(|| {
+        Local.from_utc_datetime(&too_high_year);
+    });
+    assert!(err.is_err());
+}