components/headless/test/data/protocol/shared/fullscreen-window-size-scaled.js

// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// META: --screen-info={3200x2400 devicePixelRatio=2.0}
// META: --window-size=800,600

(async function(/** @type {import('test_runner').TestRunner} */ testRunner) {
  const {dp} = await testRunner.startBlank(
      `Tests scaled fullscreen browser window size.`);

  await dp.Page.enable();

  async function getWindowSize(windowId) {
    const {result: {bounds}} = await dp.Browser.getWindowBounds({windowId});
    return {width: bounds.width, height: bounds.height};
  }

  const {result: {windowId}} = await dp.Browser.getWindowForTarget();

  await dp.Browser.setWindowBounds(
      {windowId, bounds: {windowState: 'fullscreen'}});
  await dp.Page.onceFrameResized();

  const fullscreenSize = await getWindowSize(windowId);
  testRunner.log(`${fullscreenSize.width}x${fullscreenSize.height}`);

  testRunner.completeTest();
});