mcf_length.test.sas

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/**
  @file
  @brief Testing mcf_length.sas macro
 
  <h4> SAS Macros </h4>
  @li mcf_length.sas
  @li mp_assert.sas
 
**/
 
%mcf_length()
 
data test;
  call symputx('null',mcf_length(.));
  call symputx('special',mcf_length(._));
  call symputx('three',mcf_length(1));
  call symputx('four',mcf_length(10000000));
  call symputx('five',mcf_length(12345678));
  call symputx('six',mcf_length(1234567890));
  call symputx('seven',mcf_length(12345678901234));
  call symputx('eight',mcf_length(12345678901234567));
run;
 
%mp_assert(
  iftrue=(%str(&null)=%str(0)),
  desc=Check if NULL returns 0
)
%mp_assert(
  iftrue=(%str(&special)=%str(3)),
  desc=Check if special missing ._ returns 3
)
%mp_assert(
  iftrue=(%str(&three)=%str(3)),
  desc=Check for length 3
)
%mp_assert(
  iftrue=(%str(&four)=%str(4)),
  desc=Check for length 4
)
%mp_assert(
  iftrue=(%str(&five)=%str(5)),
  desc=Check for length 5
)
%mp_assert(
  iftrue=(%str(&six)=%str(6)),
  desc=Check for length 6
)
%mp_assert(
  iftrue=(%str(&seven)=%str(7)),
  desc=Check for length 3
)
%mp_assert(
  iftrue=(%str(&eight)=%str(8)),
  desc=Check for length 8
)
%mp_assert(
  iftrue=(&syscc=0),
  desc=Check syscc=0 before re-initialisation
)
 
/* test 2 - compile again test for warnings */
%mcf_length()
 
%mp_assert(
  iftrue=(&syscc=0),
  desc=Check syscc=0 after re-initialisation
)