chromium/src/third_party/blink/web_tests/http/tests/devtools/network/resource-priority.js - manifest_repos/chromium_src - Git at Google

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 (async function() {
   TestRunner.addResult(`Tests resource priorities.\n`);
   await TestRunner.showPanel('network');
   await TestRunner.evaluateInPagePromise(`
       function sendSyncScriptRequest()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.contentDocument.write('<html><body><script src="http://localhost:8000/devtools/network/resources/empty-script.js?sync"></s' + 'cript>;</body></html>');
       }

       function sendAsyncScriptRequest()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.contentDocument.write('<html><body><script src="http://localhost:8000/devtools/network/resources/empty-script.js?async" async></s' + 'cript>;</body></html>');
       }

       function sendModuleScriptRequest()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.contentDocument.write('<html><body><script type="module" src="../network/resources/module1.js"></s' + 'cript>;</body></html>');
       }

       function sendXHRSync()
       {
           var xhr = new XMLHttpRequest();
           xhr.open("GET", "../network/resources/empty.html?xhr-sync", false);
           xhr.send();
       }

       function sendXHRAsync()
       {
           var xhr = new XMLHttpRequest();
           xhr.open("GET", "resources/empty.html?xhr-async");
           xhr.send();
       }

       function sendImageRequest()
       {
           var img = document.createElement("img");
           img.src = "resources/abe.png?image";
           document.body.appendChild(img);
       }

       function sendStyleRequest()
       {
           var link = document.createElement("link");
           link.rel = "stylesheet";
           link.href = "resources/style.css?style";
           document.head.appendChild(link);
       }

       function sendScriptRequestPrecededByImage()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingScript">'
               + '<script src="http://localhost:8000/devtools/network/resources/empty-script.js?precededByImage"></s'
               + 'cript>;</body></html>';
       }

       function sendScriptRequestPrecededByPreloadedImage()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.srcdoc = '<html><body><link href="resources/abe.png?preloaded" rel=preload as=image>'
               + '<link rel="stylesheet" type="text/css" href="http://localhost:8000/devtools/network/resources/style.css?precededByPreloadedImage">'
               + '<img src="resources/abe.png?preloaded"></body></html>';
       }

       function sendStyleRequestPrecededByImage()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingStyle">'
               + '<link rel="stylesheet" type="text/css" href="http://localhost:8000/devtools/network/resources/style.css?precededByImage">'
               + '</body></html>';
       }

       function sendStyleRequestPrecededByPreloadedImage()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.srcdoc = '<html><body><link href="resources/abe.png?preloaded" rel=preload as=image>'
               + '<script src="http://localhost:8000/devtools/network/resources/empty-script.js?precededByPreloadedImage"></s'
               + 'cript><img src="resources/abe.png?preloaded"></body></html>';
       }

       function sendScriptsFromDocumentWriteAfterImage()
       {
           var iframe = document.createElement("iframe");
           document.body.appendChild(iframe);
           iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingDocWrite">'
               + '<script src="resources/docwrite.js"></s'
               + 'cript></body></html>';
       }

       function createIFrame()
       {
           var iframe = document.createElement("iframe");
           iframe.src = "resources/empty.html?iframe";
           document.head.appendChild(iframe);
       }
   `);

   var actions = [
     {'fn': 'sendSyncScriptRequest', 'requests': 1},
     {'fn': 'sendAsyncScriptRequest', 'requests': 1},
     {'fn': 'sendModuleScriptRequest', 'requests': 2},
     {'fn': 'sendScriptRequestPrecededByImage', 'requests': 2},
     {'fn': 'sendScriptRequestPrecededByPreloadedImage', 'requests': 2},
     {'fn': 'sendStyleRequestPrecededByImage', 'requests': 2},
     {'fn': 'sendStyleRequestPrecededByPreloadedImage', 'requests': 2},
     {'fn': 'sendXHRSync', 'requests': 1},
     {'fn': 'sendXHRAsync', 'requests': 1},
     {'fn': 'sendImageRequest', 'requests': 1},
     {'fn': 'sendStyleRequest', 'requests': 1},
     {'fn': 'createIFrame', 'requests': 1},
     {'fn': 'sendScriptsFromDocumentWriteAfterImage', 'requests': 5},
   ];
   TestRunner.networkManager.addEventListener(SDK.NetworkManager.Events.RequestStarted, onRequestStarted);

   var nextAction = 0;
   var expectedRequestCount = 0;
   performNextAction();

   function performNextAction() {
     if (nextAction >= actions.length) {
       TestRunner.networkManager.removeEventListener(SDK.NetworkManager.Events.RequestStarted, onRequestStarted);
       TestRunner.completeTest();
       return;
     }
     TestRunner.addResult(actions[nextAction].fn);
     expectedRequestCount = actions[nextAction].requests;
     TestRunner.evaluateInPage(actions[nextAction++].fn + '()');
   }
   function onRequestStarted(event) {
     var request = event.data.request;
     TestRunner.addResult('Request: ' + request.name() + ' priority: ' + request.initialPriority());
     expectedRequestCount--;
     if (expectedRequestCount < 1)
       performNextAction();
   }
 })();
	// Copyright 2017 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	(async function() {
	TestRunner.addResult(`Tests resource priorities.\n`);
	await TestRunner.showPanel('network');
	await TestRunner.evaluateInPagePromise(`
	function sendSyncScriptRequest()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.contentDocument.write('<html><body><script src="http://localhost:8000/devtools/network/resources/empty-script.js?sync"></s' + 'cript>;</body></html>');
	}

	function sendAsyncScriptRequest()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.contentDocument.write('<html><body><script src="http://localhost:8000/devtools/network/resources/empty-script.js?async" async></s' + 'cript>;</body></html>');
	}

	function sendModuleScriptRequest()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.contentDocument.write('<html><body><script type="module" src="../network/resources/module1.js"></s' + 'cript>;</body></html>');
	}

	function sendXHRSync()
	{
	var xhr = new XMLHttpRequest();
	xhr.open("GET", "../network/resources/empty.html?xhr-sync", false);
	xhr.send();
	}

	function sendXHRAsync()
	{
	var xhr = new XMLHttpRequest();
	xhr.open("GET", "resources/empty.html?xhr-async");
	xhr.send();
	}

	function sendImageRequest()
	{
	var img = document.createElement("img");
	img.src = "resources/abe.png?image";
	document.body.appendChild(img);
	}

	function sendStyleRequest()
	{
	var link = document.createElement("link");
	link.rel = "stylesheet";
	link.href = "resources/style.css?style";
	document.head.appendChild(link);
	}

	function sendScriptRequestPrecededByImage()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingScript">'
	+ '<script src="http://localhost:8000/devtools/network/resources/empty-script.js?precededByImage"></s'
	+ 'cript>;</body></html>';
	}

	function sendScriptRequestPrecededByPreloadedImage()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.srcdoc = '<html><body><link href="resources/abe.png?preloaded" rel=preload as=image>'
	+ '<link rel="stylesheet" type="text/css" href="http://localhost:8000/devtools/network/resources/style.css?precededByPreloadedImage">'
	+ '<img src="resources/abe.png?preloaded"></body></html>';
	}

	function sendStyleRequestPrecededByImage()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingStyle">'
	+ '<link rel="stylesheet" type="text/css" href="http://localhost:8000/devtools/network/resources/style.css?precededByImage">'
	+ '</body></html>';
	}

	function sendStyleRequestPrecededByPreloadedImage()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.srcdoc = '<html><body><link href="resources/abe.png?preloaded" rel=preload as=image>'
	+ '<script src="http://localhost:8000/devtools/network/resources/empty-script.js?precededByPreloadedImage"></s'
	+ 'cript><img src="resources/abe.png?preloaded"></body></html>';
	}

	function sendScriptsFromDocumentWriteAfterImage()
	{
	var iframe = document.createElement("iframe");
	document.body.appendChild(iframe);
	iframe.srcdoc = '<html><body><img src="resources/abe.png?precedingDocWrite">'
	+ '<script src="resources/docwrite.js"></s'
	+ 'cript></body></html>';
	}

	function createIFrame()
	{
	var iframe = document.createElement("iframe");
	iframe.src = "resources/empty.html?iframe";
	document.head.appendChild(iframe);
	}
	`);

	var actions = [
	{'fn': 'sendSyncScriptRequest', 'requests': 1},
	{'fn': 'sendAsyncScriptRequest', 'requests': 1},
	{'fn': 'sendModuleScriptRequest', 'requests': 2},
	{'fn': 'sendScriptRequestPrecededByImage', 'requests': 2},
	{'fn': 'sendScriptRequestPrecededByPreloadedImage', 'requests': 2},
	{'fn': 'sendStyleRequestPrecededByImage', 'requests': 2},
	{'fn': 'sendStyleRequestPrecededByPreloadedImage', 'requests': 2},
	{'fn': 'sendXHRSync', 'requests': 1},
	{'fn': 'sendXHRAsync', 'requests': 1},
	{'fn': 'sendImageRequest', 'requests': 1},
	{'fn': 'sendStyleRequest', 'requests': 1},
	{'fn': 'createIFrame', 'requests': 1},
	{'fn': 'sendScriptsFromDocumentWriteAfterImage', 'requests': 5},
	];
	TestRunner.networkManager.addEventListener(SDK.NetworkManager.Events.RequestStarted, onRequestStarted);

	var nextAction = 0;
	var expectedRequestCount = 0;
	performNextAction();

	function performNextAction() {
	if (nextAction >= actions.length) {
	TestRunner.networkManager.removeEventListener(SDK.NetworkManager.Events.RequestStarted, onRequestStarted);
	TestRunner.completeTest();
	return;
	}
	TestRunner.addResult(actions[nextAction].fn);
	expectedRequestCount = actions[nextAction].requests;
	TestRunner.evaluateInPage(actions[nextAction++].fn + '()');
	}
	function onRequestStarted(event) {
	var request = event.data.request;
	TestRunner.addResult('Request: ' + request.name() + ' priority: ' + request.initialPriority());
	expectedRequestCount--;
	if (expectedRequestCount < 1)
	performNextAction();
	}
	})();