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packages/intl/test/date_time_strict_test.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/// Tests for the strict option when parsing dates and times, which are
+/// relatively locale-independent, depending only on the being a valid date
+/// and consuming all the input data.
+library date_time_strict_test;
+
+import 'package:intl/intl.dart';
+import 'package:unittest/unittest.dart';
+
+main() {
+  test("All input consumed", () {
+    var format = new DateFormat.yMMMd();
+    var date = new DateTime(2014, 9, 3);
+    var formatted = 'Sep 3, 2014';
+    expect(format.format(date), formatted);
+    var parsed = format.parseStrict(formatted);
+    expect(parsed, date);
+
+    check(String s) {
+      expect(() => format.parseStrict(s), throwsFormatException);
+      expect(format.parse(s), date);
+    }
+
+    check(formatted + ",");
+    check(formatted + "abc");
+    check(formatted + "   ");
+  });
+
+  test("Invalid dates", () {
+    var format = new DateFormat.yMd();
+    check(s) => expect(() => format.parseStrict(s), throwsFormatException);
+    check("0/3/2014");
+    check("13/3/2014");
+    check("9/0/2014");
+    check("9/31/2014");
+    check("09/31/2014");
+    check("10/32/2014");
+    check("2/29/2014");
+    expect(format.parseStrict("2/29/2016"), new DateTime(2016, 2, 29));
+  });
+
+  test("Invalid times am/pm", () {
+    var format = new DateFormat.jms();
+    check(s) => expect(() => format.parseStrict(s), throwsFormatException);
+    check("-1:15:00 AM");
+    expect(format.parseStrict("0:15:00 AM"), new DateTime(1970, 1, 1, 0, 15));
+    check("24:00:00 PM");
+    check("24:00:00 AM");
+    check("25:00:00 PM");
+    check("0:-1:00 AM");
+    check("0:60:00 AM");
+    expect(format.parseStrict("0:59:00 AM"), new DateTime(1970, 1, 1, 0, 59));
+    check("0:0:-1 AM");
+    check("0:0:60 AM");
+    check("2:0:60 PM");
+    expect(
+        format.parseStrict("2:0:59 PM"), new DateTime(1970, 1, 1, 14, 0, 59));
+  });
+
+  test("Invalid times 24 hour", () {
+    var format = new DateFormat.Hms();
+    check(s) => expect(() => format.parseStrict(s), throwsFormatException);
+    check("-1:15:00");
+    expect(format.parseStrict("0:15:00"), new DateTime(1970, 1, 1, 0, 15));
+    check("24:00:00");
+    check("24:00:00");
+    check("25:00:00");
+    check("0:-1:00");
+    check("0:60:00");
+    expect(format.parseStrict("0:59:00"), new DateTime(1970, 1, 1, 0, 59));
+    check("0:0:-1");
+    check("0:0:60");
+    check("14:0:60");
+    expect(format.parseStrict("14:0:59"), new DateTime(1970, 1, 1, 14, 0, 59));
+  });
+}