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packages/intl/test/date_time_format_test_stub.dart

+// Copyright (c) 2012, 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.
+
+/**
+ * Test date formatting and parsing using locale data which is available
+ * directly in the program as a constant.
+ */
+
+library date_time_format_test;
+
+import 'dart:async';
+import 'package:unittest/unittest.dart';
+import 'package:intl/intl.dart';
+import 'date_time_format_test_core.dart';
+
+typedef List<String> TestListFunc();
+
+typedef Future InitializeDateFormattingFunc(String locale, String filePath);
+
+/**
+ * Return only the odd-numbered locales. A simple way to divide the list into
+ * two roughly equal parts.
+ */
+List<String> oddLocales() {
+  int i = 1;
+  return allLocales().where((x) => (i++).isOdd).toList();
+}
+
+/**
+ * Return a set of a few locales to run just the tests on a small sample.
+ */
+List smallSetOfLocales() {
+  return allLocales().sublist(0, 10);
+}
+
+/**
+ * Return only the even-numbered locales. A simple way to divide the list into
+ * two roughly equal parts.
+ */
+List<String> evenLocales() {
+  int i = 1;
+  return allLocales().where((x) => !((i++).isOdd)).toList();
+}
+
+void runWith(TestListFunc getSubset, String dir,
+    InitializeDateFormattingFunc initFunction) {
+  // Initialize one locale just so we know what the list is.
+  // Also, note that we take the list of locales as a function so that we don't
+  // evaluate it until after we know that all the locales are available.
+
+  bool initialized = false;
+
+  setUp(() {
+    if (initialized) {
+      return null;
+    }
+    return initFunction("en_US", dir).then((_) {
+      return Future.forEach(DateFormat.allLocalesWithSymbols(), (locale) {
+        return initFunction(locale, dir);
+      });
+    }).then((_) {
+      initialized = true;
+    });
+  });
+
+  runDateTests(getSubset);
+}