Lasse R.H. Nielsen
0b58c4bd10
Retain the old values. Reapply of https://dart-review.googlesource.com/c/sdk/+/20680 with fixes for VM method fingerprints. Change-Id: Ie14e7ccc3194d5561983348e6b6752728913ff4d Reviewed-on: https://dart-review.googlesource.com/20664 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
100 lines
2.2 KiB
Dart
100 lines
2.2 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:math';
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import 'package:expect/expect.dart';
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main() {
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// constructor
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{
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var point = new Point(0, 0);
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Expect.equals(0, point.x);
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Expect.equals(0, point.y);
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Expect.equals('Point(0, 0)', '$point');
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}
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// constructor X
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{
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var point = new Point<int>(10, 0);
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Expect.equals(10, point.x);
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Expect.equals(0, point.y);
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Expect.equals('Point(10, 0)', '$point');
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}
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// constructor X Y
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{
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var point = new Point<int>(10, 20);
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Expect.equals(10, point.x);
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Expect.equals(20, point.y);
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Expect.equals('Point(10, 20)', '$point');
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}
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// constructor X Y double
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{
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var point = new Point<double>(10.5, 20.897);
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Expect.equals(10.5, point.x);
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Expect.equals(20.897, point.y);
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Expect.equals('Point(10.5, 20.897)', '$point');
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}
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// constructor X Y NaN
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{
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var point = new Point(double.nan, 1000);
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Expect.isTrue(point.x.isNaN);
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Expect.equals(1000, point.y);
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Expect.equals('Point(NaN, 1000)', '$point');
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}
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// squaredDistanceTo
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{
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var a = new Point(7, 11);
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var b = new Point(3, -1);
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Expect.equals(160, a.squaredDistanceTo(b));
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Expect.equals(160, b.squaredDistanceTo(a));
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}
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// distanceTo
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{
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var a = new Point(-2, -3);
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var b = new Point(2, 0);
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Expect.equals(5, a.distanceTo(b));
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Expect.equals(5, b.distanceTo(a));
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}
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// subtract
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{
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var a = new Point(5, 10);
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var b = new Point(2, 50);
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Expect.equals(new Point(3, -40), a - b);
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}
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// add
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{
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var a = new Point(5, 10);
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var b = new Point(2, 50);
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Expect.equals(new Point(7, 60), a + b);
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}
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// hashCode
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{
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var a = new Point(0, 1);
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var b = new Point(0, 1);
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Expect.equals(b.hashCode, a.hashCode);
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var c = new Point(1, 0);
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Expect.isFalse(a.hashCode == c.hashCode);
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}
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// magnitude
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{
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var a = new Point(5, 10);
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var b = new Point(0, 0);
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Expect.equals(a.distanceTo(b), a.magnitude);
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Expect.equals(0, b.magnitude);
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var c = new Point(-5, -10);
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Expect.equals(a.distanceTo(b), c.magnitude);
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}
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}
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