--- /dev/null
+*** Some random stuff for testing libU77. Should be done better. It's
+* hard to test things where you can't guarantee the result. Have a
+* good squint at what it prints, though detected errors will cause
+* starred messages.
+
+ implicit none
+ integer i, j, k, ltarray (9), idat (3), count, rate, count_max,
+ + pid, mask
+ real tarray1(2), tarray2(2), r1, r2, sum
+ intrinsic getpid, getuid, getgid, ierrno, gerror,
+ + fnum, isatty, getarg, access, unlink, fstat,
+ + stat, lstat, getcwd, gmtime, hostnm, etime, chmod,
+ + chdir, fgetc, fputc, system_clock, second, idate, secnds,
+ + time, ctime, fdate, ttynam, date_and_time
+ external lenstr, ctrlc
+ integer lenstr
+ logical l
+ character gerr*80, c*1
+ character ctim*25, line*80, lognam*20, wd*100, line2*80, ddate*8,
+ + ttime*10, zone*5
+ integer fstatb (13), statb (13)
+ integer *2 i2zero
+ integer values(8)
+ integer(kind=7) sigret
+
+ ctim = ctime(time())
+ WRITE (6,'(A/)') '1 GNU libU77 test at: ' // ctim
+ write (6,'(A,I3,'', '',I3)')
+ + ' Logical units 5 and 6 correspond (FNUM) to'
+ + // ' Unix i/o units ', fnum(5), fnum(6)
+ if (lnblnk('foo ').ne.3 .or. len_trim('foo ').ne.3) then
+ print *, 'LNBLNK or LEN_TRIM failed'
+ call abort
+ end if
+ l= isatty(6)
+ line2 = ttynam(6)
+ if (l) then
+ line = 'and 6 is a tty device (ISATTY) named '//line2
+ else
+ line = 'and 6 isn''t a tty device (ISATTY)'
+ end if
+ write (6,'(1X,A)') line(:lenstr(line))
+
+* regression test for compiler crash fixed by JCB 1998-08-04 com.c
+ sigret = signal(2, ctrlc)
+
+ pid = getpid()
+ WRITE (6,'(A,I10)') ' Process id (GETPID): ', pid
+ WRITE (6,'(A,I10)') ' User id (GETUID): ', GETUID ()
+ WRITE (6,'(A,I10)') ' Group id (GETGID): ', GETGID ()
+ WRITE (6, *) 'If you have the `id'' program, the following call'
+ write (6, *) 'of SYSTEM should agree with the above:'
+ call flush(6)
+ CALL SYSTEM ('echo " " `id`')
+ call flush
+ lognam = 'blahblahblah'
+ call getlog (lognam)
+ write (6,*) 'Login name (GETLOG): ', lognam
+ call umask(0, mask)
+ write(6,*) 'UMASK returns', mask
+ call umask(mask)
+
+ ctim = fdate()
+ write (6,*) 'FDATE returns: ', ctim
+ j=time()
+ call ltime (j, ltarray)
+ write (6,'(1x,a,9i4)') 'LTIME returns:', ltarray
+ call gmtime (j, ltarray)
+ write (6,'(1x,a,9i4)') 'GMTIME returns:', ltarray
+ call system_clock(count) ! omitting optional args
+ call system_clock(count, rate, count_max)
+ write(6,*) 'SYSTEM_CLOCK returns: ', count, rate, count_max
+ call date_and_time(ddate) ! omitting optional args
+ call date_and_time(ddate, ttime, zone, values)
+ write(6, *) 'DATE_AND_TIME returns: ', ddate, ' ', ttime, ' ',
+ + zone, ' ', values
+
+ write (6,*) 'Sleeping for 1 second (SLEEP) ...'
+ call sleep (1)
+
+c consistency-check etime vs. dtime for first call
+ r1 = etime (tarray1)
+ if (r1.ne.tarray1(1)+tarray1(2)) then
+ write (6,*) '*** ETIME didn''t return sum of the array: ',
+ + r1, ' /= ', tarray1(1), '+', tarray1(2)
+ call abort
+ end if
+ r2 = dtime (tarray2)
+ if (abs (r1-r2).gt.1.0) then
+ write (6,*)
+ + 'Results of ETIME and DTIME differ by more than a second:',
+ + r1, r2
+ call abort
+ end if
+ call sgladd (sum, tarray1(1), tarray1(2))
+ if (r1 .ne. sum) then
+ write (6,*) '*** ETIME didn''t return sum of the array: ',
+ + r1, ' /= ', tarray1(1), '+', tarray1(2)
+ call abort
+ end if
+ call sgladd (sum, tarray2(1), tarray2(2))
+ if (r2 .ne. sum) then
+ write (6,*) '*** DTIME didn''t return sum of the array: ',
+ + r2, ' /= ', tarray2(1), '+', tarray2(2)
+ call abort
+ end if
+ write (6, '(A,3F10.3)')
+ + ' Elapsed total, user, system time (ETIME): ',
+ + r1, tarray1
+
+c now try to get times to change enough to see in etime/dtime
+ write (6,*) 'Looping until clock ticks at least once...'
+ do i = 1,1000
+ do j = 1,1000
+ end do
+ r2 = dtime (tarray2)
+ if (tarray2(1) .ne. 0. .or. tarray2(2) .ne. 0.) exit
+ end do
+ r1 = etime (tarray1)
+ call sgladd (sum, tarray1(1), tarray1(2))
+ if (r1 .ne. sum) then
+ write (6,*) '*** ETIME didn''t return sum of the array: ',
+ + r1, ' /= ', tarray1(1), '+', tarray1(2)
+ call abort
+ end if
+ call sgladd (sum, tarray2(1), tarray2(2))
+ if (r2 .ne. sum) then
+ write (6,*) '*** DTIME didn''t return sum of the array: ',
+ + r2, ' /= ', tarray2(1), '+', tarray2(2)
+ call abort
+ end if
+ write (6, '(A,3F10.3)')
+ + ' Differences in total, user, system time (DTIME): ',
+ + r2, tarray2
+ write (6, '(A,3F10.3)')
+ + ' Elapsed total, user, system time (ETIME): ',
+ + r1, tarray1
+ write (6, *) '(Clock-tick detected after ', i, ' 1K loops.)'
+
+ call idate (i,j,k)
+ call idate (idat)
+ write (6,*) 'IDATE d,m,y: ',idat
+ print *, '... and the VXT version: ', i,j,k
+ if (i/=idat(2) .or. j/=idat(1) .or. k/=idat(3)) then
+ print *, '*** vxy and u77 versions don''t agree'
+ call abort
+ end if
+ call time(line(:8))
+ print *, 'TIME: ', line(:8)
+ write (6,*) 'SECNDS(0.0) returns: ',secnds(0.0)
+ write (6,*) 'SECOND returns: ', second()
+ call dumdum(r1)
+ call second(r1)
+ write (6,*) 'CALL SECOND returns: ', r1
+ i = getcwd(wd)
+ if (i.ne.0) then
+ call perror ('*** getcwd')
+ call abort
+ else
+ write (6,*) 'Current directory is "'//wd(:lenstr(wd))//'"'
+ end if
+ call chdir ('.',i)
+ if (i.ne.0) then
+ write (6,*) '***CHDIR to ".": ', i
+ call abort
+ end if
+ i=hostnm(wd)
+ if(i.ne.0) then
+ call perror ('*** hostnm')
+ call abort
+ else
+ write (6,*) 'Host name is ', wd(:lenstr(wd))
+ end if
+ i = access('/dev/null ', 'rw')
+ if (i.ne.0) write (6,*) '***Read/write ACCESS to /dev/null: ', i
+ write (6,*) 'Creating file "foo" for testing...'
+ open (3,file='foo',status='UNKNOWN')
+ rewind 3
+ call fputc(3, 'c',i)
+ call fputc(3, 'd',j)
+ if (i+j.ne.0) write(6,*) '***FPUTC: ', i
+C why is it necessary to reopen? (who wrote this?)
+C the better to test with, my dear! (-- burley)
+ close(3)
+ open(3,file='foo',status='old')
+ call fseek(3,0,0,*10)
+ go to 20
+ 10 write(6,*) '***FSEEK failed'
+ call abort
+ 20 call fgetc(3, c,i)
+ if (i.ne.0) then
+ write(6,*) '***FGETC: ', i
+ call abort
+ end if
+ if (c.ne.'c') then
+ write(6,*) '***FGETC read the wrong thing: ', ichar(c)
+ call abort
+ end if
+ i= ftell(3)
+ if (i.ne.1) then
+ write(6,*) '***FTELL offset: ', i
+ call abort
+ end if
+ call chmod ('foo', 'a+w',i)
+ if (i.ne.0) then
+ write (6,*) '***CHMOD of "foo": ', i
+ call abort
+ end if
+ i = fstat (3, fstatb)
+ if (i.ne.0) then
+ write (6,*) '***FSTAT of "foo": ', i
+ call abort
+ end if
+ i = stat ('foo', statb)
+ if (i.ne.0) then
+ write (6,*) '***STAT of "foo": ', i
+ call abort
+ end if
+ write (6,*) ' with stat array ', statb
+ if (statb(5).ne.getuid () .or. statb(6).ne.getgid() .or. statb(4)
+ + .ne. 1) then
+ write (6,*) '*** FSTAT uid, gid or nlink is wrong'
+ call abort
+ end if
+ do i=1,13
+ if (fstatb (i) .ne. statb (i)) then
+ write (6,*) '*** FSTAT and STAT don''t agree on '// '
+ + array element ', i, ' value ', fstatb (i), statb (i)
+ call abort
+ end if
+ end do
+ i = lstat ('foo', fstatb)
+ do i=1,13
+ if (fstatb (i) .ne. statb (i)) then
+ write (6,*) '*** LSTAT and STAT don''t agree on '// '
+ + array element ', i, ' value ', fstatb (i), statb (i)
+ call abort
+ end if
+ end do
+
+C in case it exists already:
+ call unlink ('bar',i)
+ call link ('foo ', 'bar ',i)
+ if (i.ne.0) then
+ write (6,*) '***LINK "foo" to "bar" failed: ', i
+ call abort
+ end if
+ call unlink ('foo',i)
+ if (i.ne.0) then
+ write (6,*) '***UNLINK "foo" failed: ', i
+ call abort
+ end if
+ call unlink ('foo',i)
+ if (i.eq.0) then
+ write (6,*) '***UNLINK "foo" again: ', i
+ call abort
+ end if
+ call gerror (gerr)
+ i = ierrno()
+ write (6,'(A,I3,A/1X,A)') ' The current error number is: ',
+ + i,
+ + ' and the corresponding message is:', gerr(:lenstr(gerr))
+ write (6,*) 'This is sent to stderr prefixed by the program name'
+ call getarg (0, line)
+ call perror (line (:lenstr (line)))
+ call unlink ('bar')
+C WRITE (6,*) 'You should see exit status 1'
+ CALL EXIT(0)
+ 99 END
+
+ integer function lenstr (str)
+C return length of STR not including trailing blanks, but always
+C return >0
+ character *(*) str
+ if (str.eq.' ') then
+ lenstr=1
+ else
+ lenstr = lnblnk (str)
+ end if
+ end
+* just make sure SECOND() doesn't "magically" work the second time.
+ subroutine dumdum(r)
+ r = 3.14159
+ end
+* do an add that is most likely to be done in single precision.
+ subroutine sgladd(sum,left,right)
+ implicit none
+ real sum,left,right
+ sum = left+right
+ end
+
+* signal handler
+ subroutine ctrlc
+ print *, 'Got ^C'
+ call abort
+ end
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