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 // Copyright (c) 2014, 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. /// @assertion Rectangle boundingBox(Rectangle other) /// Returns a new rectangle which completely contains this and other. /// @description Checks that this operation is symmetric. /// @author kaigorodov import "dart:math"; import "../../../Utils/expect.dart"; const List values = const [ 0, -1, 1, 10, -10, 100, -100, -4.5035996273704955E15, -4.294967296000001E9, -4.294967296E9, -4.2949672959999995E9, -6031769.5,-101.0, -100.00000000000001, -100.0, -99.99999999999999, -99.0, -10.0, -1.0000000000000002, -1.0, -.9999999999999999, -.7, .9999999999999999, 1.0, 1.0000000000000002, 10.0, 99.0, 99.99999999999999, 100.0, 100.00000000000001, 101.0, 6031769.5, 4.2949672959999995E9, 4.294967296E9, 4.294967296000001E9, 4.5035996273704955E15, 4.503599627370496E15, 4.503599627370497E15, 3.273390607896142, ]; Random rand = new Random(817); num randomVal() { int k = rand.nextInt(values.length); return values[k]; } void rectEquals(Rectangle r1, Rectangle r2, num tolerance, String msg) { Expect.approxEquals(r1.top, r2.top, tolerance, msg); Expect.approxEquals(r1.bottom, r2.bottom, tolerance, msg); Expect.approxEquals(r1.left, r2.left, tolerance, msg); Expect.approxEquals(r1.right, r2.right, tolerance, msg); } main() { for (int i = 0; i < 1000; i++) { num x = randomVal(); num y = randomVal(); num z = randomVal(); num w = randomVal(); Rectangle r1 = new Rectangle(x, y, z, w); Rectangle r2 = new Rectangle(z, w, x, y); Rectangle bb1 = r1.boundingBox(r2); Rectangle bb2 = r2.boundingBox(r1); rectEquals( bb1, bb2, 0.0001, "i=\$i; x=\$x, y=\$y, z=\$z, w=\$w, bb1=\$bb1, bb2=\$bb2"); } }