Content

use census2b, clear
                           // check pop
list if  !inrange(pop, 300000, 3e7)  
assert inrange(pop, 300000, 3e7)
                          // check medage
list if   !inrange(medage, 20, 50)  
assert  inrange(medage, 20, 50)
						  // check drate
list if   !inrange(drate, 10, 104+145)  
assert  inrange(drate, 10, 104+145)

/*
local err 0
capture noisily assert pop < . & pop > 300000 & pop <= 3e7 
local err `err' + _rc
list if pop <= 300000 | pop > 3e7

capture noisily assert medage > 20 & medage < 50 
local err `err' + _rc
list if medage <= 20 | medage >= 50 

capture noisily assert drate > 10 & drate < 104+145
local err `err' + _rc
list if drate <= 10 | drate >= 104+145

assert `err' == 0
*/