window-placement/multi-screen-window-open-manual.tentative.https.html - external/w3c/web-platform-tests - Git at Google

 <!DOCTYPE html>
 <meta charset="utf-8">
 <meta name=timeout content=long>
 <!-- user agents are not required to support open features other than `noopener`
      and on some platforms position and size features don't make sense -->
 <meta name="flags" content="may">
 <title>Multi-Screen Window Placement test: window.open()</title>
 <link rel="help" href="https://webscreens.github.io/window-placement/">
 This test uses multi-screen details to open a popup window on each screen.<br>
 It runs automated or manually with `wpt serve` and a compatible browser.<br><br>
 <button id="setUpButton">Click to request screen details</button>
 <ul id="popupButtons"></ul>
 <button id="cleanUpButton">Click to close any open popups</button>
 <ul id="logger"></ul>
 <p>
 <script src="/resources/testdriver.js"></script>
 <script src="/resources/testdriver-vendor.js"></script>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
 'use strict';
 let popups = [];

 function log(str) {
   const entry = document.createElement('li');
   entry.innerHTML = str;
   logger.appendChild(entry);
   return entry;
 }

 cleanUpButton.addEventListener('click', async () => {
   popups.forEach(p => p.close());
 });

 async function testPopupOnScreen(popupTest, screen, openedWithAutomation) {
   // Show a popup child window on the associated screen.
   const left = screen.availLeft + screen.availWidth / 2 - 150;
   const top = screen.availTop + screen.availHeight / 2 - 50;
   log(`Opening a popup on '${screen.label}' at (${left}, ${top})`);
   let popup = window.open(
       '/resources/blank.html', '',
       `left=${left},top=${top},width=300,height=100`);
   popups.push(popup);
   if (openedWithAutomation)
     popupTest.add_cleanup(popup.close);

   // Window.open() synchronously returns a Window with estimated screenX|Y.
   // Initial `screenX` and `screenY` values should match `left` and `top`.
   log(`<div style="margin-left: 40px">Initial bounds:
          (${popup.screenX}, ${popup.screenY})
        </div>`);
   assert_equals(popup.screenX, left);
   assert_equals(popup.screenY, top);
   popup.initialScreenX = popup.screenX;
   popup.initialScreenY = popup.screenY;

   // Wait for asynchronous window creation and clamped placement before checking
   // resolved window.screenX|Y values. In practice, window.screenX|Y may change
   // even after waiting for Window.onload and Window.requestAnimationFrame().
   const eventWatcher = new EventWatcher(popupTest, popup, ['load']);
   await eventWatcher.wait_for('load');
   await new Promise(window.requestAnimationFrame);
   await new Promise(resolve => {
     step_timeout(resolve, 300);
   });
   popup.document.write(`Expected: (${left}, ${top}) <br> \
        Initial: (${popup.initialScreenX}, ${popup.initialScreenY}) <br> \
        Resolved: (${popup.screenX}, ${popup.screenY}) `);
   log(`<div style="margin-left: 40px">Resolved bounds:
          (${popup.screenX}, ${popup.screenY})
        </div>`);
   // Window.screenX|Y may be zero, if the user agent wishes to hide information
   // about the screen of the output device. They also may incorrectly reflect
   // the origin of content viewport; in that case, estimate window coordinates
   // by subtracing estimated frame insets (top-heavy, horizontally centered).
   const error = 10;
   const dX = popup.screenX - left - (popup.outerWidth - popup.innerWidth) / 2;
   const dY = popup.screenY - top - (popup.outerHeight - popup.innerHeight);
   assert_true(!popup.screenX || popup.screenX == left || Math.abs(dX) <= error);
   assert_true(!popup.screenY || popup.screenY == top || Math.abs(dY) <= error);
 }

 promise_test(async setUpTest => {
   assert_true(
       'getScreenDetails' in self && 'isExtended' in screen,
       `API not supported; use Chromium (not content_shell) and enable
        chrome://flags/#enable-experimental-web-platform-features`);
   if (!screen.isExtended)
     log(`WARNING: Use multiple screens for full test coverage`);
   if (window.location.href.startsWith('file'))
     log(`WARNING: Run via 'wpt serve'; file URLs lack permission support`);

   try {  // Support manual testing where test_driver is not running.
     await test_driver.set_permission({name: 'window-placement'}, 'granted');
   } catch {
   }
   const setUpWatcher = new EventWatcher(setUpTest, setUpButton, ['click']);
   const setUpClick = setUpWatcher.wait_for('click');
   try {  // Support manual testing where test_driver is not running.
     await test_driver.click(setUpButton);
   } catch {
   }
   await setUpClick;
   setUpButton.disabled = true;
   const screenDetails = await getScreenDetails();
   assert_true(!!screenDetails, 'Error getting screen details');
   assert_greater_than(screenDetails.screens.length, 0, 'Connect a screen');
   for (const s of screenDetails.screens) {
     promise_test(async popupTest => {
       const button = document.createElement('button');
       button.innerHTML = `Click to open a popup on '${s.label}'`;
       const entry = document.createElement('li');
       entry.appendChild(button);
       popupButtons.appendChild(entry);
       const popupWatcher = new EventWatcher(popupTest, button, ['click']);
       const popupClick = popupWatcher.wait_for('click');
       let openedWithAutomation = true;
       try {  // Support manual testing where test_driver is not running.
         await test_driver.click(button);
       } catch {
         openedWithAutomation = false;
       }
       await popupClick;
       button.disabled = true;
       await testPopupOnScreen(popupTest, s, openedWithAutomation);
     }, `Open a popup on '${s.label}'`);
   }
 }, 'Use multi-screen details to open a popup window on each screen');
 </script>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<meta name=timeout content=long>
	<!-- user agents are not required to support open features other than `noopener`
	and on some platforms position and size features don't make sense -->
	<meta name="flags" content="may">
	<title>Multi-Screen Window Placement test: window.open()</title>
	<link rel="help" href="https://webscreens.github.io/window-placement/">
	This test uses multi-screen details to open a popup window on each screen.<br>
	It runs automated or manually with `wpt serve` and a compatible browser.<br><br>
	<button id="setUpButton">Click to request screen details</button>
	<ul id="popupButtons"></ul>
	<button id="cleanUpButton">Click to close any open popups</button>
	<ul id="logger"></ul>
	<p>
	<script src="/resources/testdriver.js"></script>
	<script src="/resources/testdriver-vendor.js"></script>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script>
	'use strict';
	let popups = [];

	function log(str) {
	const entry = document.createElement('li');
	entry.innerHTML = str;
	logger.appendChild(entry);
	return entry;
	}

	cleanUpButton.addEventListener('click', async () => {
	popups.forEach(p => p.close());
	});

	async function testPopupOnScreen(popupTest, screen, openedWithAutomation) {
	// Show a popup child window on the associated screen.
	const left = screen.availLeft + screen.availWidth / 2 - 150;
	const top = screen.availTop + screen.availHeight / 2 - 50;
	log(`Opening a popup on '${screen.label}' at (${left}, ${top})`);
	let popup = window.open(
	'/resources/blank.html', '',
	`left=${left},top=${top},width=300,height=100`);
	popups.push(popup);
	if (openedWithAutomation)
	popupTest.add_cleanup(popup.close);

	// Window.open() synchronously returns a Window with estimated screenX\|Y.
	// Initial `screenX` and `screenY` values should match `left` and `top`.
	log(`<div style="margin-left: 40px">Initial bounds:
	(${popup.screenX}, ${popup.screenY})
	</div>`);
	assert_equals(popup.screenX, left);
	assert_equals(popup.screenY, top);
	popup.initialScreenX = popup.screenX;
	popup.initialScreenY = popup.screenY;

	// Wait for asynchronous window creation and clamped placement before checking
	// resolved window.screenX\|Y values. In practice, window.screenX\|Y may change
	// even after waiting for Window.onload and Window.requestAnimationFrame().
	const eventWatcher = new EventWatcher(popupTest, popup, ['load']);
	await eventWatcher.wait_for('load');
	await new Promise(window.requestAnimationFrame);
	await new Promise(resolve => {
	step_timeout(resolve, 300);
	});
	popup.document.write(`Expected: (${left}, ${top}) <br> \
	Initial: (${popup.initialScreenX}, ${popup.initialScreenY}) <br> \
	Resolved: (${popup.screenX}, ${popup.screenY}) `);
	log(`<div style="margin-left: 40px">Resolved bounds:
	(${popup.screenX}, ${popup.screenY})
	</div>`);
	// Window.screenX\|Y may be zero, if the user agent wishes to hide information
	// about the screen of the output device. They also may incorrectly reflect
	// the origin of content viewport; in that case, estimate window coordinates
	// by subtracing estimated frame insets (top-heavy, horizontally centered).
	const error = 10;
	const dX = popup.screenX - left - (popup.outerWidth - popup.innerWidth) / 2;
	const dY = popup.screenY - top - (popup.outerHeight - popup.innerHeight);
	assert_true(!popup.screenX \|\| popup.screenX == left \|\| Math.abs(dX) <= error);
	assert_true(!popup.screenY \|\| popup.screenY == top \|\| Math.abs(dY) <= error);
	}

	promise_test(async setUpTest => {
	assert_true(
	'getScreenDetails' in self && 'isExtended' in screen,
	`API not supported; use Chromium (not content_shell) and enable
	chrome://flags/#enable-experimental-web-platform-features`);
	if (!screen.isExtended)
	log(`WARNING: Use multiple screens for full test coverage`);
	if (window.location.href.startsWith('file'))
	log(`WARNING: Run via 'wpt serve'; file URLs lack permission support`);

	try { // Support manual testing where test_driver is not running.
	await test_driver.set_permission({name: 'window-placement'}, 'granted');
	} catch {
	}
	const setUpWatcher = new EventWatcher(setUpTest, setUpButton, ['click']);
	const setUpClick = setUpWatcher.wait_for('click');
	try { // Support manual testing where test_driver is not running.
	await test_driver.click(setUpButton);
	} catch {
	}
	await setUpClick;
	setUpButton.disabled = true;
	const screenDetails = await getScreenDetails();
	assert_true(!!screenDetails, 'Error getting screen details');
	assert_greater_than(screenDetails.screens.length, 0, 'Connect a screen');
	for (const s of screenDetails.screens) {
	promise_test(async popupTest => {
	const button = document.createElement('button');
	button.innerHTML = `Click to open a popup on '${s.label}'`;
	const entry = document.createElement('li');
	entry.appendChild(button);
	popupButtons.appendChild(entry);
	const popupWatcher = new EventWatcher(popupTest, button, ['click']);
	const popupClick = popupWatcher.wait_for('click');
	let openedWithAutomation = true;
	try { // Support manual testing where test_driver is not running.
	await test_driver.click(button);
	} catch {
	openedWithAutomation = false;
	}
	await popupClick;
	button.disabled = true;
	await testPopupOnScreen(popupTest, s, openedWithAutomation);
	}, `Open a popup on '${s.label}'`);
	}
	}, 'Use multi-screen details to open a popup window on each screen');
	</script>