gcc/testsuite/gfortran.dg/fmt_cache_2.f

   1 ! { dg-do run }
   2 ! PR42742 Handle very large format strings correctly
   3 ! Test derived from example developed by Manfred Schwarb.
   4       character(12) bufarr(74)
   5       character(74*13+30) fmtstr,fmtstr2
   6       character(1) delim
   7       integer i,j,dat(5),pindx, loopcounter
   8       character(983) big_string ! any less and this test fails.
   9
  10       do i=1,74
  11         write(bufarr(i),'(i12)') i
  12       enddo
  13
  14       delim=" "
  15       dat(1)=2009
  16       dat(2)=10
  17       dat(3)=31
  18       dat(4)=3
  19       dat(5)=0
  20       fmtstr="(i2,i6,4(a1,i2.2)"
  21       open(10, status="scratch")
  22       do j=1,74
  23         fmtstr=fmtstr(1:len_trim(fmtstr))//",a1,a12"
  24         fmtstr2=fmtstr(1:len_trim(fmtstr))//")"
  25 c        write(0,*) "interation ",j,": ",len_trim(fmtstr2)
  26         do i=1,10
  27           write(10,fmtstr2)
  28      &           i,dat(1),"-",dat(2),"-",dat(3),
  29      &           delim,dat(4),":",dat(5),
  30      &           (delim,bufarr(pindx),pindx=1,j)
  31         enddo
  32         loopcounter = j
  33       enddo
  34       close(10)
  35       if (loopcounter /= 74) STOP 1
  36       end