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Test Info:

// META: title=FormData.append
test(function() {
assert_equals(create_formdata(['key', 'value1']).get('key'), "value1");
}, 'testFormDataAppend1');
test(function() {
assert_equals(create_formdata(['key', 'value2'], ['key', 'value1']).get('key'), "value2");
}, 'testFormDataAppend2');
test(function() {
assert_equals(create_formdata(['key', undefined]).get('key'), "undefined");
}, 'testFormDataAppendUndefined1');
test(function() {
assert_equals(create_formdata(['key', undefined], ['key', 'value1']).get('key'), "undefined");
}, 'testFormDataAppendUndefined2');
test(function() {
assert_equals(create_formdata(['key', null]).get('key'), "null");
}, 'testFormDataAppendNull1');
test(function() {
assert_equals(create_formdata(['key', null], ['key', 'value1']).get('key'), "null");
}, 'testFormDataAppendNull2');
test(function() {
var before = new Date(new Date().getTime() - 2000); // two seconds ago, in case there's clock drift
var fd = create_formdata(['key', new Blob(), 'blank.txt']).get('key');
assert_equals(fd.name, "blank.txt");
assert_equals(fd.type, "");
assert_equals(fd.size, 0);
assert_greater_than_equal(fd.lastModified, before);
assert_less_than_equal(fd.lastModified, new Date());
}, 'testFormDataAppendEmptyBlob');
function create_formdata() {
var fd = new FormData();
for (var i = 0; i < arguments.length; i++) {
fd.append.apply(fd, arguments[i]);
};
return fd;
}