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! pr 15472
! sequential access files
!
! this test verifies the most basic sequential unformatted I/O
! write 3 records of various sizes
! then read them back
! and compare with what was written
!
implicit none
integer size
parameter(size=100)
logical debug
data debug /.FALSE./
! set debug to true for help in debugging failures.
integer m(2)
integer n
real*4 r(size)
integer i
m(1) = Z'11111111'
m(2) = Z'22222222'
n = Z'33333333'
do i = 1,size
r(i) = i
end do
write(9)m ! an array of 2
write(9)n ! an integer
write(9)r ! an array of reals
! zero all the results so we can compare after they are read back
do i = 1,size
r(i) = 0
end do
m(1) = 0
m(2) = 0
n = 0
rewind(9)
read(9)m
read(9)n
read(9)r
!
! check results
if (m(1).ne.Z'11111111') then
if (debug) then
print '(A,Z8)','m(1) incorrect. m(1) = ',m(1)
else
call abort
endif
endif
if (m(2).ne.Z'22222222') then
if (debug) then
print '(A,Z8)','m(2) incorrect. m(2) = ',m(2)
else
call abort
endif
endif
if (n.ne.Z'33333333') then
if (debug) then
print '(A,Z8)','n incorrect. n = ',n
else
call abort
endif
endif
do i = 1,size
if (int(r(i)).ne.i) then
if (debug) then
print*,'element ',i,' was ',r(i),' should be ',i
else
call abort
endif
endif
end do
! use hexdump to look at the file "fort.9"
if (debug) then
close(9)
else
close(9,status='DELETE')
endif
end
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