test(() => { const frame = document.body.appendChild(document.createElement("iframe")), win = frame.contentWindow, loc = win.location; frame.remove(); assert_equals(win.location, loc); }, "Window and Location are 1:1 after browsing context removal"); function bcLessLocation() { const frame = document.body.appendChild(document.createElement("iframe")), win = frame.contentWindow, loc = win.location; frame.remove(); return loc; } [ { "property": "href", "expected": "about:blank", "values": ["https://example.com/", "/", "http://test:test/", "test test", "test:test", "chrome:fail"] }, { "property": "protocol", "expected": "about:", "values": ["http", "about", "test"] }, { "property": "host", "expected": "", "values": ["example.com", "test test", "()"] }, { "property": "hostname", "expected": "", "values": ["example.com"] }, { "property": "port", "expected": "", "values": ["80", "", "443", "notaport"] }, { "property": "pathname", "expected": "blank", "values": ["/", "x"] }, { "property": "search", "expected": "", "values": ["test"] }, { "property": "hash", "expected": "", "values": ["test", "#"] } ].forEach(testSetup => { testSetup.values.forEach(value => { test(() => { const loc = bcLessLocation(); loc[testSetup.property] = value; assert_equals(loc[testSetup.property], testSetup.expected); }, "Setting `" + testSetup.property + "` to `" + value + "` of a `Location` object sans browsing context is a no-op"); }); }); test(() => { const loc = bcLessLocation(); assert_equals(loc.origin, "null"); }, "Getting `origin` of a `Location` object sans browsing context should be \"null\""); ["assign", "replace", "reload"].forEach(method => { ["about:blank", "https://example.com/", "/", "http://test:test/", "test test", "test:test", "chrome:fail"].forEach(value => { test(() => { const loc = bcLessLocation(); loc[method](value); assert_equals(loc.href, "about:blank"); }, "Invoking `" + method + "` with `" + value + "` on a `Location` object sans browsing context is a no-op"); }); }); test(() => { const loc = bcLessLocation(); assert_array_equals(loc.ancestorOrigins, []); }, "Getting `ancestorOrigins` of a `Location` object sans browsing context should be []");