Added iframeAPI script for tests

test/iframeAPI.js

@@ -0,0 +1,130 @@
+const iframeAPI = function(){
+	"use strict";
+	
+	const methods = [
+		{
+			name: "own window",
+			prepare: function(){
+				return {
+					window,
+					cleanup: function(){}
+				};
+			}
+		},
+		{
+			name: "simple",
+			prepare: function(){
+				const iframe = document.createElement("iframe");
+				iframe.style.display = "none";
+				document.body.appendChild(iframe);
+				
+				return {
+					window: iframe.contentWindow,
+					cleanup: function(){
+						iframe.parentNode.removeChild(iframe);
+					}
+				};
+			}
+		},
+		{
+			name: "window.frames",
+			prepare: function(){
+				const iframe = document.createElement("iframe");
+				document.body.appendChild(iframe);
+				const window = frames[frames.length - 1];
+				return {
+					window,
+					cleanup: function(){
+						document.body.removeChild(iframe);
+					}
+				};
+			}
+		},
+		{
+			name: "window[window.length - 1]",
+			prepare: function(){
+				const iframe = document.createElement("iframe");
+				document.body.appendChild(iframe);
+				const iframeWindow = window[window.length - 1];
+				return {
+					window: iframeWindow,
+					cleanup: function(){
+						document.body.removeChild(iframe);
+					}
+				};
+			}
+		},
+		{
+			name: "sneaky window[...]",
+			prepare: function(){
+				const index = window.length;
+				const iframe = document.createElement("iframe");
+				document.body.appendChild(iframe);
+				const iframeWindow = window[index];
+				return {
+					window: iframeWindow,
+					cleanup: function(){
+						document.body.removeChild(iframe);
+					}
+				};
+			}
+		},
+		{
+			name: "nested iFrames",
+			prepare: function(){
+				const index = window.length;
+				const iframe = document.createElement("iframe");
+				document.body.appendChild(iframe);
+				const iframeWindow = window[index];
+				iframeWindow.document.write("<iframe></iframe>");
+				return {
+					window: iframeWindow[0],
+					cleanup: function(){
+						document.body.removeChild(iframe);
+					}
+				};
+			}
+		},
+		{
+			name: "window.open",
+			prepare: async function openWindow(){
+				const newWindow = window.open("/");
+				if (newWindow){
+					return {
+						window: newWindow,
+						cleanup: function(){
+							newWindow.close();
+						}
+					};
+				}
+				else {
+					return new Promise(function(resolve){
+						window.addEventListener("click", function openWindowEventListener(){
+							window.removeEventListener("click", openWindowEventListener);
+							resolve(openWindow());
+						});
+					});
+				}
+			}
+		}
+	];
+	
+	function getPerformer(callback){
+		return 	async function perform(method){
+			const api = await method.prepare();
+			callback(api.window, method.name);
+			api.cleanup();
+		};
+	}
+	
+	return {
+		forEachMethod: function(callback){
+			methods.forEach(getPerformer(callback));
+		},
+		performMethod: function(callback, name){
+			methods.filter(function(method){
+				return method.name === name;
+			}).forEach(getPerformer(callback));
+		}
+	};
+}();