1 files changed, 95 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/unf_io_convert_1.f90 b/gcc/testsuite/gfortran.dg/unf_io_convert_1.f90
new file mode 100644
index 000000000..317656997
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/unf_io_convert_1.f90
@@ -0,0 +1,95 @@
+! { dg-do run }
+! { dg-options "-pedantic" }
+!  This test verifies the most basic sequential unformatted I/O
+!  with convert="swap".
+!  Adapted from seq_io.f.
+!      write 3 records of various sizes
+!      then read them back
+program main
+  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 r(size)
+  integer i
+  character(4) str
+
+  m(1) = Z'11223344' ! { dg-warning "BOZ literal at .1. outside a DATA statement" }
+  m(2) = Z'55667788' ! { dg-warning "BOZ literal at .1. outside a DATA statement" }
+  n    = Z'77AABBCC' ! { dg-warning "BOZ literal at .1. outside a DATA statement" }
+  str = 'asdf'
+  do i = 1,size
+     r(i) = i
+  end do
+  open(9,form="unformatted",access="sequential",convert="swap") ! { dg-warning "Extension: CONVERT" }
+  write(9) m  ! an array of 2
+  write(9) n  ! an integer
+  write(9) r  ! an array of reals
+  write(9)str ! String
+! 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
+  str = ' '
+  
+  rewind(9)
+  read(9) m
+  read(9) n
+  read(9) r
+  read(9) str
+  !
+  ! check results
+  if (m(1).ne.Z'11223344') then
+     if (debug) then
+        print '(A,Z8)','m(1) incorrect.  m(1) = ',m(1)
+     else
+        call abort
+     endif
+  endif
+  
+  if (m(2).ne.Z'55667788') then
+     if (debug) then
+        print '(A,Z8)','m(2) incorrect.  m(2) = ',m(2)
+     else
+        call abort
+     endif
+  endif
+  
+  if (n.ne.Z'77AABBCC') 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
+  if (str .ne. 'asdf') then
+     if (debug) then
+        print *,'str incorrect, str = ', str
+     else
+        call abort
+     endif
+  end if
+  ! use hexdump to look at the file "fort.9"
+  if (debug) then
+     close(9)
+  else
+     close(9,status='DELETE')
+  endif
+end program main