// The results of this test are all over the map due to browsers behaving very differently for // javascript: URLs. // // Chromium is pretty close execution-wise, but it parses javascript: URLs incorrectly. // Gecko navigates to non-string return values of the result of executing a javascript: URL. // WebKit executes javascript: URLs too early and has a harness error due to URL parsing. // // The expectations below should match the HTML and URL standards. [ { "description": "javascript: URL that fails to parse due to invalid host", "input": "javascript://test:test/%0aglobalThis.shouldNotExistA=1", "property": "shouldNotExistA", "expected": undefined }, { "description": "javascript: URL that fails to parse due to invalid host and has a U+0009 in scheme", "input": "java\x09script://test:test/%0aglobalThis.shouldNotExistB=1", "property": "shouldNotExistB", "expected": undefined }, { "description": "javascript: URL without an opaque path", "input": "javascript://host/1%0a//../0/;globalThis.shouldBeOne=1;/%0aglobalThis.shouldBeOne=2;/..///", "property": "shouldBeOne", "expected": 1 }, { "description": "javascript: URL containing a JavaScript string split over path and query", // Use ";undefined" to avoid returning a string. "input": "javascript:globalThis.shouldBeAStringA = \"https://whatsoever.com/?a=b&c=5&x=y\";undefined", "property": "shouldBeAStringA", "expected": "https://whatsoever.com/?a=b&c=5&x=y" }, { "description": "javascript: URL containing a JavaScript string split over path and query and has a U+000A in scheme", // Use ";undefined" to avoid returning a string. "input": "java\x0Ascript:globalThis.shouldBeAStringB = \"https://whatsoever.com/?a=b&c=5&x=y\";undefined", "property": "shouldBeAStringB", "expected": "https://whatsoever.com/?a=b&c=5&x=y" } ].forEach(({ description, input, property, expected }) => { // Use promise_test so the tests run in sequence. Needed for globalThis.verify below. promise_test(t => { const anchor = document.body.appendChild(document.createElement("a")); t.add_cleanup(() => anchor.remove()); anchor.href = input; assert_equals(globalThis[property], undefined, "Property is undefined before the click"); anchor.click(); assert_equals(globalThis[property], undefined, "Property is undefined immediately after the click"); // Since we cannot reliably queue a task to run after the task queued as a result of the click() // above, we do another click() with a new URL. return new Promise(resolve => { globalThis.verify = t.step_func(() => { assert_equals(globalThis[property], expected, `Property is ${expected} once the navigation happened`); resolve(); }); anchor.href = "javascript:globalThis.verify()"; anchor.click(); }); }, description); });