|  | <!doctype html> | 
|  | <html lang=en> | 
|  | <meta charset=utf-8> | 
|  | <title>XMLHttpRequest: upload formdata with blob</title> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#interface-formdata" data-tested-assertations="following::P[1]" /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata" data-tested-assertations="following::P[2]" /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-append" data-tested-assertations=".. following::P[1]" /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-append" data-tested-assertations="following::P[2] following::UL[1]" /> | 
|  | <link rel="help" href="https://xhr.spec.whatwg.org/#dom-XMLHttpRequest-send-FormData" data-tested-assertations="following::DD[1]" /> | 
|  | <div id="log"></div> | 
|  | <script> | 
|  | function do_test (name, fd, expected) { | 
|  | var test = async_test(name); | 
|  | test.step(function() { | 
|  | var client = new XMLHttpRequest(); | 
|  | client.onreadystatechange = test.step_func(function () { | 
|  | if (client.readyState !== 4) return; | 
|  | assert_equals(client.responseText, expected); | 
|  | test.done(); | 
|  | }); | 
|  | client.open("POST", "resources/upload.py"); | 
|  | client.send(fd); | 
|  | }); | 
|  | } | 
|  |  | 
|  | function create_formdata () { | 
|  | var fd = new FormData(); | 
|  | for (var i = 0; i < arguments.length; i++) { | 
|  | fd.append.apply(fd, arguments[i]); | 
|  | } | 
|  | return fd; | 
|  | } | 
|  |  | 
|  | do_test("formdata with blob", create_formdata(['key', new Blob(['value'], {type: 'text/x-value'})]), '\nkey=blob:text/x-value:5,'); | 
|  | do_test("formdata with named blob", create_formdata(['key', new Blob(['value'], {type: 'text/x-value'}), 'blob.txt']), '\nkey=blob.txt:text/x-value:5,'); | 
|  | // If 3rd argument is given and 2nd is not a Blob, formdata.append() should throw | 
|  | var test = async_test('formdata.append() should throw if value is string and file name is given'); // needs to be async just because the others above are | 
|  | test.step(function(){ | 
|  | assert_throws(new TypeError(), function(){ | 
|  | create_formdata('a', 'b', 'c'); | 
|  | }); | 
|  | }); | 
|  | test.done(); | 
|  | </script> |