LayoutTests/http/tests/security/contentSecurityPolicy/image-data-URL-blocked-alt-text.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <meta http-equiv="Content-Security-Policy" content="img-src 'self'">
 </head>
 <body>
 <p>This tests that the alternative text of a data URL image is rendered when the CSP policy of the page blocks its load.</p>
 <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAACPSURBVHhe7dfBDcAwDMSw23/oJMgc4qMDtC4sc2e75Wfll//v7gP4A+wAS1AFyntABcrTdwc4hFyCTmEVUAEWYAEWKO8BFShPnwVYgAVYQAVUgAVYgAXKe0AFytNnARZgARZQARVgARZggfIeUIHy9FmABViABVRABViABVigvAdUoDx9FmABFmABFahX4AENatHSskZSEgAAAABJRU5ErkJggg==" width="50" height="50" alt="alt text">
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Security-Policy" content="img-src 'self'">
	</head>
	<body>
	<p>This tests that the alternative text of a data URL image is rendered when the CSP policy of the page blocks its load.</p>
	<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAACPSURBVHhe7dfBDcAwDMSw23/oJMgc4qMDtC4sc2e75Wfll//v7gP4A+wAS1AFyntABcrTdwc4hFyCTmEVUAEWYAEWKO8BFShPnwVYgAVYQAVUgAVYgAXKe0AFytNnARZgARZQARVgARZggfIeUIHy9FmABViABVRABViABVigvAdUoDx9FmABFmABFahX4AENatHSskZSEgAAAABJRU5ErkJggg==" width="50" height="50" alt="alt text">
	</body>
	</html>