<!doctype html> <meta charset="utf-8"> <title>FormData: set</title> <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-set"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <div id="log"></div> <form id="form" /> <script> function test_formdata(creator, verifier, description) { async_test(description).step(function() { var fd = creator(); var xhr = new XMLHttpRequest(); xhr.onload = this.step_func(function() { verifier(xhr.responseText); this.done(); }); xhr.open("POST", "resources/upload.py"); xhr.send(fd); }); } test_formdata(function() { var fd = new FormData(); fd.set("name", new String("value")); return fd; }, function(data) { assert_equals(data, "name=value,\n"); }, "Passing a String object to FormData.set should work"); test(function() { assert_equals(create_formdata(['key', 'value1']).get('key'), "value1"); }, 'testFormDataSet1'); test(function() { assert_equals(create_formdata(['key', 'value2'], ['key', 'value1']).get('key'), "value1"); }, 'testFormDataSet2'); test(function() { assert_equals(create_formdata(['key', undefined]).get('key'), "undefined"); }, 'testFormDataSetUndefined1'); test(function() { assert_equals(create_formdata(['key', undefined], ['key', 'value1']).get('key'), "value1"); }, 'testFormDataSetUndefined2'); test(function() { assert_equals(create_formdata(['key', null]).get('key'), "null"); }, 'testFormDataSetNull1'); test(function() { assert_equals(create_formdata(['key', null], ['key', 'value1']).get('key'), "value1"); }, 'testFormDataSetNull2'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', 'value1'); assert_equals(fd.get('key'), "value1"); }, 'testFormDataSetToForm1'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', 'value2'); fd.set('key', 'value1'); assert_equals(fd.get('key'), "value1"); }, 'testFormDataSetToForm2'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', undefined); assert_equals(fd.get('key'), "undefined"); }, 'testFormDataSetToFormUndefined1'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', undefined); fd.set('key', 'value1'); assert_equals(fd.get('key'), "value1"); }, 'testFormDataSetToFormUndefined2'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', null); assert_equals(fd.get('key'), "null"); }, 'testFormDataSetToFormNull1'); test(function() { var fd = new FormData(document.getElementById("form")); fd.set('key', null); fd.set('key', 'value1'); assert_equals(fd.get('key'), "value1"); }, 'testFormDataSetToFormNull2'); test(function() { var fd = new FormData(); fd.set('key', new Blob([]), 'blank.txt'); var file = fd.get('key'); assert_true(file instanceof File); assert_equals(file.name, 'blank.txt'); }, 'testFormDataSetEmptyBlob'); function create_formdata() { var fd = new FormData(); for (var i = 0; i < arguments.length; i++) { fd.set.apply(fd, arguments[i]); }; return fd; } </script>