dnl @ ../doc/m4.texi:6075: Origin of test
dnl @ expected status: 0
dnl @ extra options: 
dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
dnl @ Foundation, Inc.
dnl @ This file is free software; the Free Software Foundation
dnl @ gives unlimited permission to copy and/or distribute it
dnl @ with or without modifications, as long as this notice
dnl @ is preserved.
define(`foo', `The brown fox jumped over the lazy dog')
dnl @result{}
format(`The string "%s" uses %d characters', foo, len(foo))
dnl @result{}The string "The brown fox jumped over the lazy dog" uses 38 characters
format(`%*.*d', `-1', `-1', `1')
dnl @result{}1
format(`%.0f', `56789.9876')
dnl @result{}56790
len(format(`%-*X', `5000', `1'))
dnl @result{}5000
ifelse(format(`%010F', `infinity'), `       INF', `success',
       format(`%010F', `infinity'), `  INFINITY', `success',
       format(`%010F', `infinity'))
dnl @result{}success
ifelse(format(`%.1A', `1.999'), `0X1.0P+1', `success',
       format(`%.1A', `1.999'), `0X2.0P+0', `success',
       format(`%.1A', `1.999'))
dnl @result{}success
format(`%g', `0xa.P+1')
dnl @result{}20