<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>Test URL API - data:plain</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1018682">Mozilla Bug 1018682</a> <script type="application/javascript"> var base = new URL("data:text/plain,"); base.protocol = "chrome:"; is(base.protocol, 'data:', "The protocol should not change from data to chrome."); try { var relative = new URL("a", base); ok(false, "Relative URL from a data:text/plain should not work."); } catch(e) { ok(true, "Relative URL from a data:text/plain should not work."); } base.protocol = "http:"; ok(true, "Protocol: http changed"); is(base.href, "http://text/plain,", "Base URL is correct"); var relative = new URL("a", base); ok(relative, "This works."); is(relative.href, "http://text/a", "Relative URL is correct"); </script> </body> </html>