Roll Observatory packages and add a roll script

packages/charted/test.disabled/locale/number_format_test.dart

+/*
+ * Copyright 2014 Google Inc. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file or at
+ * https://developers.google.com/open-source/licenses/bsd
+ */
+
+part of charted.test.locale;
+
+testNumberFormat() {
+  EnUsLocale locale = new EnUsLocale();
+  NumberFormat formatter = new NumberFormat(locale);
+
+  group('NumberFormat.format returns a format function that', () {
+    test('performs correctly with [[fill]align]', () {
+      FormatFunction format1 = formatter.format('d<6');
+      expect(format1(123), equals('123ddd'));
+      FormatFunction format2 = formatter.format('d>6');
+      expect(format2(123), equals('ddd123'));
+      FormatFunction format3 = formatter.format('d^6');
+      expect(format3(123), equals('dd123d'));
+      FormatFunction format4 = formatter.format('d=+6');
+      expect(format4(123), equals('+dd123'));
+      FormatFunction format5 = formatter.format('06');
+      expect(format5(123), equals('000123'));
+    });
+    test('performs correctly with [sign]', () {
+      FormatFunction format1 = formatter.format('+');
+      expect(format1(123), equals('+123'));
+      expect(format1(0), equals('+0'));
+      expect(format1(-123), equals('-123'));
+      FormatFunction format2 = formatter.format('-');
+      expect(format2(123), equals('-123'));
+      expect(format2(0), equals('-0'));
+      expect(format2(-123), equals('-123'));
+      FormatFunction format3 = formatter.format('');
+      expect(format3(123), equals('123'));
+      expect(format3(0), equals('0'));
+      expect(format3(-123), equals('-123'));
+      FormatFunction format4 = formatter.format(' ');
+      expect(format4(123), equals(' 123'));
+      expect(format4(0), equals(' 0'));
+      expect(format4(-123), equals('-123'));
+    });
+    test('performs correctly with [#]', () {
+      FormatFunction format1 = formatter.format('#b');
+      expect(format1(123), equals('0b1111011'));
+      FormatFunction format2 = formatter.format('#o');
+      expect(format2(123), equals('0o173'));
+      FormatFunction format3 = formatter.format('#x');
+      expect(format3(123), equals('0x7b'));
+    });
+    test('performs correctly with [,]', () {
+      FormatFunction format1 = formatter.format(',');
+      expect(format1(123), equals('123'));
+      expect(format1(12345), equals('12,345'));
+    });
+    test('performs correctly with [.precision]', () {
+      FormatFunction format1 = formatter.format('.2f');
+      expect(format1(123.4), equals('123.40'));
+      expect(format1(123.45), equals('123.45'));
+      expect(format1(123.4567), equals('123.46'));
+    });
+    test('performs correctly with other values of [type]', () {
+      FormatFunction format1 = formatter.format('d');
+      expect(format1(123), equals('123'));
+      FormatFunction format2 = formatter.format('e');
+      expect(format2(123), equals('1e+2'));
+      FormatFunction format4 = formatter.format('g');
+      expect(format4(123), equals('1e+2'));
+      FormatFunction format5 = formatter.format('c');
+      expect(format5(49), equals('1'));
+    });
+  });
+}