func HTTPSuccessf(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPSuccess(t, handler, method, url, values, append([]interface{}{msg}, args...)...)
}
HTTPSuccessf asserts that a specified handler returns a success status code.

assert.HTTPSuccessf(t, myHandler, "POST", "http://www.google.com", nil, "error message %s", "formatted")

Returns whether the assertion was successful (true) or not (false).
package assert
import (
	http "net/http"
	url "net/url"
	time "time"
)
func Conditionf(t TestingT, comp Comparison, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Condition(t, comp, append([]interface{}{msg}, args...)...)
}
func Containsf(t TestingT, s interface{}, contains interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Contains(t, s, contains, append([]interface{}{msg}, args...)...)
}
func DirExistsf(t TestingT, path string, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return DirExists(t, path, append([]interface{}{msg}, args...)...)
}
func ElementsMatchf(t TestingT, listA interface{}, listB interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return ElementsMatch(t, listA, listB, append([]interface{}{msg}, args...)...)
}
func Emptyf(t TestingT, object interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Empty(t, object, append([]interface{}{msg}, args...)...)
}
func Equalf(t TestingT, expected interface{}, actual interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Equal(t, expected, actual, append([]interface{}{msg}, args...)...)
}
func EqualErrorf(t TestingT, theError error, errString string, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return EqualError(t, theError, errString, append([]interface{}{msg}, args...)...)
}
func EqualValuesf(t TestingT, expected interface{}, actual interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return EqualValues(t, expected, actual, append([]interface{}{msg}, args...)...)
}
func Errorf(t TestingT, err error, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Error(t, err, append([]interface{}{msg}, args...)...)
}
func Eventuallyf(t TestingT, condition func() bool, waitFor time.Duration, tick time.Duration, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Eventually(t, condition, waitFor, tick, append([]interface{}{msg}, args...)...)
}
func Exactlyf(t TestingT, expected interface{}, actual interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Exactly(t, expected, actual, append([]interface{}{msg}, args...)...)
}
func Failf(t TestingT, failureMessage string, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Fail(t, failureMessage, append([]interface{}{msg}, args...)...)
}
func FailNowf(t TestingT, failureMessage string, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return FailNow(t, failureMessage, append([]interface{}{msg}, args...)...)
}
func Falsef(t TestingT, value bool, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return False(t, value, append([]interface{}{msg}, args...)...)
}
func FileExistsf(t TestingT, path string, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return FileExists(t, path, append([]interface{}{msg}, args...)...)
}
func Greaterf(t TestingT, e1 interface{}, e2 interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return Greater(t, e1, e2, append([]interface{}{msg}, args...)...)
}
func GreaterOrEqualf(t TestingT, e1 interface{}, e2 interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return GreaterOrEqual(t, e1, e2, append([]interface{}{msg}, args...)...)
}
func HTTPBodyContainsf(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, str interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPBodyContains(t, handler, method, url, values, str, append([]interface{}{msg}, args...)...)
}
func HTTPBodyNotContainsf(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, str interface{}, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPBodyNotContains(t, handler, method, url, values, str, append([]interface{}{msg}, args...)...)
}
func HTTPErrorf(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPError(t, handler, method, url, values, append([]interface{}{msg}, args...)...)
}
func HTTPRedirectf(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPRedirect(t, handler, method, url, values, append([]interface{}{msg}, args...)...)
}
func HTTPStatusCodef(t TestingT, handler http.HandlerFunc, method string, url string, values url.Values, statuscode int, msg string, args ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}
	return HTTPStatusCode(t, handler, method, url, values, statuscode, append([]interface{}{msg}, args...)...)
}