Migrated test block 216 to Dart 2.0.

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