LayoutTests/accessibility/aria-modal-with-text-crash.html - WebKit - Git at Google

 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
 <html>
 <head>
 <script src="../resources/accessibility-helper.js"></script>
 <script src="../resources/js-test.js"></script>
 </head>
 <body>

 <div id="modal" role="dialog" aria-modal="true">
   <span>Foo</span>
 </div>

 <script>
     var testOutput = "This test ensures we don't crash when using search to traverse an aria-modal with text.\n\n";

     if (window.accessibilityController) {
         const modal = accessibilityController.accessibleElementById("modal");
         let searchResult = null;
         while (true) {
             searchResult = modal.uiElementForSearchPredicate(searchResult, true, "AXAnyTypeSearchKey", "", false);
             if (!searchResult)
                 break;
             const role = searchResult.role;
             testOutput += `\n${role}`;
             if (role.includes("StaticText")) {
                 let textContent = accessibilityController.platformName === "ios" ? searchResult.description : searchResult.stringValue;
                 testOutput += `\n${textContent}`;
             }
             testOutput += "\n";
         }
         debug(testOutput);
     }
 </script>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	<html>
	<head>
	<script src="../resources/accessibility-helper.js"></script>
	<script src="../resources/js-test.js"></script>
	</head>
	<body>

	<div id="modal" role="dialog" aria-modal="true">
	<span>Foo</span>
	</div>

	<script>
	var testOutput = "This test ensures we don't crash when using search to traverse an aria-modal with text.\n\n";

	if (window.accessibilityController) {
	const modal = accessibilityController.accessibleElementById("modal");
	let searchResult = null;
	while (true) {
	searchResult = modal.uiElementForSearchPredicate(searchResult, true, "AXAnyTypeSearchKey", "", false);
	if (!searchResult)
	break;
	const role = searchResult.role;
	testOutput += `\n${role}`;
	if (role.includes("StaticText")) {
	let textContent = accessibilityController.platformName === "ios" ? searchResult.description : searchResult.stringValue;
	testOutput += `\n${textContent}`;
	}
	testOutput += "\n";
	}
	debug(testOutput);
	}
	</script>
	</body>
	</html>