send-form-data-with-bad-string.html

<!DOCTYPE html>
<html>
<body>
<script src="../../../../resources/js-test.js"></script>
<script>
description("Test that passing bad strings to FormData.append() throws and aborts properly.");

var xhr = new XMLHttpRequest();
xhr.open('POST', 'http://127.0.0.1:8000/xmlhttprequest/resources/post-echo.cgi', false);
var badString = { toString: function() { throw "Exception in toString()"; } };

var formData = new FormData();
shouldThrow("formData.append(badString, 'test')", "'Exception in toString()'");
shouldThrow("formData.append('textarea', badString)", "'Exception in toString()'");
shouldThrow("formData.append('blob', new Blob(['']), badString)", "'Exception in toString()'");

xhr.send(formData);
if (xhr.readyState !== 4 || xhr.status !== 200) {
    testFailed('xhr.readyState = ' + xhr.readyState + ', xhr.status = ' + xhr.status);
} else {
    shouldBe("xhr.response.indexOf('test')", "-1");
    shouldBe("xhr.response.indexOf('textarea')", "-1");
    shouldBe("xhr.response.indexOf('blob')", "-1");
}
</script>
</body>
</html>

chromium/third_party/blink/web_tests/http/tests/local/formdata/send-form-data-with-bad-string.html