Migrated test block 216 to Dart 2.0.

tests/lib/math/point_test.dart

-// Copyright (c) 2013, 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.
-
-library point_test;
-
-import 'dart:math';
-import 'package:unittest/unittest.dart';
-
-main() {
-  test('constructor', () {
-    var point = new Point(0, 0);
-    expect(point.x, 0);
-    expect(point.y, 0);
-    expect('$point', 'Point(0, 0)');
-  });
-
-  test('constructor X', () {
-    var point = new Point<int>(10, 0);
-    expect(point.x, 10);
-    expect(point.y, 0);
-    expect('$point', 'Point(10, 0)');
-  });
-
-  test('constructor X Y', () {
-    var point = new Point<int>(10, 20);
-    expect(point.x, 10);
-    expect(point.y, 20);
-    expect('$point', 'Point(10, 20)');
-  });
-
-  test('constructor X Y double', () {
-    var point = new Point<double>(10.5, 20.897);
-    expect(point.x, 10.5);
-    expect(point.y, 20.897);
-    expect('$point', 'Point(10.5, 20.897)');
-  });
-
-  test('constructor X Y NaN', () {
-    var point = new Point(double.NAN, 1000);
-    expect(point.x, isNaN);
-    expect(point.y, 1000);
-    expect('$point', 'Point(NaN, 1000)');
-  });
-
-  test('squaredDistanceTo', () {
-    var a = new Point(7, 11);
-    var b = new Point(3, -1);
-    expect(a.squaredDistanceTo(b), 160);
-    expect(b.squaredDistanceTo(a), 160);
-  });
-
-  test('distanceTo', () {
-    var a = new Point(-2, -3);
-    var b = new Point(2, 0);
-    expect(a.distanceTo(b), 5);
-    expect(b.distanceTo(a), 5);
-  });
-
-  test('subtract', () {
-    var a = new Point(5, 10);
-    var b = new Point(2, 50);
-    expect(a - b, new Point(3, -40));
-  });
-
-  test('add', () {
-    var a = new Point(5, 10);
-    var b = new Point(2, 50);
-    expect(a + b, new Point(7, 60));
-  });
-
-  test('hashCode', () {
-    var a = new Point(0, 1);
-    var b = new Point(0, 1);
-    expect(a.hashCode, b.hashCode);
-
-    var c = new Point(1, 0);
-    expect(a.hashCode == c.hashCode, isFalse);
-  });
-
-  test('magnitute', () {
-    var a = new Point(5, 10);
-    var b = new Point(0, 0);
-    expect(a.magnitude, a.distanceTo(b));
-    expect(b.magnitude, 0);
-
-    var c = new Point(-5, -10);
-    expect(c.magnitude, a.distanceTo(b));
-  });
-}