LibTest/math/MutableRectangle/boundingBox_A01_t02.dart

/*
 * 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 MutableRectangle<T> boundingBox(MutableRectangle<T> other)
 * Returns a new rectangle which completely contains this and other.
 * @issue #16245
 * @description checks that boundingBox(this)==this
 * @author kaigorodov
 */
import "dart:math";
import "../../../Utils/expect.dart";

const List<num> values = const [
   0, 1, 1, 10, 10, 100, 100,
   1.7976931348623157e150, 3.273390607896142E15, 4.503599627370497E15, 4.503599627370496E15,
   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, 2.2250738585072014e-150, 4.9406564584124654e-150, .0, 4.9406564584124654e-150,
   2.2250738585072014e-150, .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, 3.273390607896142E10,
   1.7976931348623157e150
 ];
 
Random rand = new Random(503599627);

num randomVal() {
  int k = rand.nextInt(values.length);
  return values[k];
}

main() {
  for(int i = 0; i < 1000; i++) {
    num x = randomVal();
    num y = randomVal();
    num w = randomVal();
    num h = randomVal();
    MutableRectangle r1=new MutableRectangle(x, y, w, h);
    Rectangle bb1=r1.boundingBox(r1);
    Expect.equals(r1, bb1, "i=$i; x=$x, y=$y, w=$w, h=$h");
  }
}