// 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.

// @dart = 2.9

/// @assertion void void resizeBy(num x, num y)
/// Resizes this window by an offset.
/// @description Checks that a window can be resized.

import "dart:html";
import "../../../UtilsHtml/expect.dart";

void check(Window nw, int dx, int dy) {
  int x = nw.screenLeft;
  int y = nw.screenTop;
  nw.resizeBy(dx, dy);
  Expect.equals(x + dx, nw.innerWidth);
  Expect.equals(y + dy, nw.innerHeight);
}

main() {
  Window nw = window.open("about:blank", "_blank");
  print("nw.innerWidth=${nw.innerWidth} nw.innerHeight=${nw.innerHeight}");
  try {
    check(nw, 0, 0);
    check(nw, 1, 0);
    check(nw, 0, 1);
    check(nw, 1, 1);
    check(nw, -1, 0);
    check(nw, 0, -1);
    check(nw, -1, -1);
    check(nw, 100, 100);
  } finally {
    nw.close();
  }
}