New file, somewhat altered from libf2c/libU77 version.
From-SVN: r22332
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Dave Love
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1 changed files with 296 additions and 0 deletions
296
gcc/testsuite/g77.f-torture/execute/u77-test.f
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296
gcc/testsuite/g77.f-torture/execute/u77-test.f
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*** Some random stuff for testing libU77. Should be done better. It's
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* hard to test things where you can't guarantee the result. Have a
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* good squint at what it prints, though detected errors will cause
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* starred messages.
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implicit none
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integer i, j, k, ltarray (9), idat (3), count, rate, count_max,
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+ pid, mask
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real tarray1(2), tarray2(2), r1, r2, sum
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intrinsic getpid, getuid, getgid, ierrno, gerror,
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+ fnum, isatty, getarg, access, unlink, fstat,
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+ stat, lstat, getcwd, gmtime, hostnm, etime, chmod,
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+ chdir, fgetc, fputc, system_clock, second, idate, secnds,
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+ time, ctime, fdate, ttynam, date_and_time
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external lenstr, ctrlc
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integer lenstr
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logical l
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character gerr*80, c*1
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character ctim*25, line*80, lognam*20, wd*100, line2*80, ddate*8,
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+ ttime*10, zone*5
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integer fstatb (13), statb (13)
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integer *2 i2zero
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integer values(8)
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integer(kind=7) sigret
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ctim = ctime(time())
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WRITE (6,'(A/)') '1 GNU libU77 test at: ' // ctim
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write (6,'(A,I3,'', '',I3)')
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+ ' Logical units 5 and 6 correspond (FNUM) to'
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+ // ' Unix i/o units ', fnum(5), fnum(6)
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if (lnblnk('foo ').ne.3 .or. len_trim('foo ').ne.3) then
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print *, 'LNBLNK or LEN_TRIM failed'
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call abort
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end if
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l= isatty(6)
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line2 = ttynam(6)
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if (l) then
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line = 'and 6 is a tty device (ISATTY) named '//line2
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else
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line = 'and 6 isn''t a tty device (ISATTY)'
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end if
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write (6,'(1X,A)') line(:lenstr(line))
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* regression test for compiler crash fixed by JCB 1998-08-04 com.c
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sigret = signal(2, ctrlc)
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pid = getpid()
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WRITE (6,'(A,I10)') ' Process id (GETPID): ', pid
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WRITE (6,'(A,I10)') ' User id (GETUID): ', GETUID ()
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WRITE (6,'(A,I10)') ' Group id (GETGID): ', GETGID ()
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WRITE (6, *) 'If you have the `id'' program, the following call'
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write (6, *) 'of SYSTEM should agree with the above:'
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call flush(6)
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CALL SYSTEM ('echo " " `id`')
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call flush
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lognam = 'blahblahblah'
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call getlog (lognam)
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write (6,*) 'Login name (GETLOG): ', lognam
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call umask(0, mask)
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write(6,*) 'UMASK returns', mask
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call umask(mask)
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ctim = fdate()
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write (6,*) 'FDATE returns: ', ctim
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j=time()
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call ltime (j, ltarray)
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write (6,'(1x,a,9i4)') 'LTIME returns:', ltarray
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call gmtime (j, ltarray)
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write (6,'(1x,a,9i4)') 'GMTIME returns:', ltarray
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call system_clock(count) ! omitting optional args
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call system_clock(count, rate, count_max)
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write(6,*) 'SYSTEM_CLOCK returns: ', count, rate, count_max
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call date_and_time(ddate) ! omitting optional args
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call date_and_time(ddate, ttime, zone, values)
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write(6, *) 'DATE_AND_TIME returns: ', ddate, ' ', ttime, ' ',
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+ zone, ' ', values
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write (6,*) 'Sleeping for 1 second (SLEEP) ...'
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call sleep (1)
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c consistency-check etime vs. dtime for first call
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r1 = etime (tarray1)
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if (r1.ne.tarray1(1)+tarray1(2)) then
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write (6,*) '*** ETIME didn''t return sum of the array: ',
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+ r1, ' /= ', tarray1(1), '+', tarray1(2)
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call abort
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end if
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r2 = dtime (tarray2)
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if (abs (r1-r2).gt.1.0) then
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write (6,*)
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+ 'Results of ETIME and DTIME differ by more than a second:',
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+ r1, r2
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call abort
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end if
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call sgladd (sum, tarray1(1), tarray1(2))
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if (r1 .ne. sum) then
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write (6,*) '*** ETIME didn''t return sum of the array: ',
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+ r1, ' /= ', tarray1(1), '+', tarray1(2)
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call abort
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end if
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call sgladd (sum, tarray2(1), tarray2(2))
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if (r2 .ne. sum) then
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write (6,*) '*** DTIME didn''t return sum of the array: ',
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+ r2, ' /= ', tarray2(1), '+', tarray2(2)
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call abort
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end if
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write (6, '(A,3F10.3)')
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+ ' Elapsed total, user, system time (ETIME): ',
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+ r1, tarray1
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c now try to get times to change enough to see in etime/dtime
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write (6,*) 'Looping until clock ticks at least once...'
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do i = 1,1000
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do j = 1,1000
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end do
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r2 = dtime (tarray2)
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if (tarray2(1) .ne. 0. .or. tarray2(2) .ne. 0.) exit
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end do
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r1 = etime (tarray1)
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call sgladd (sum, tarray1(1), tarray1(2))
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if (r1 .ne. sum) then
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write (6,*) '*** ETIME didn''t return sum of the array: ',
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+ r1, ' /= ', tarray1(1), '+', tarray1(2)
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call abort
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end if
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call sgladd (sum, tarray2(1), tarray2(2))
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if (r2 .ne. sum) then
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write (6,*) '*** DTIME didn''t return sum of the array: ',
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+ r2, ' /= ', tarray2(1), '+', tarray2(2)
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call abort
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end if
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write (6, '(A,3F10.3)')
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+ ' Differences in total, user, system time (DTIME): ',
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+ r2, tarray2
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write (6, '(A,3F10.3)')
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+ ' Elapsed total, user, system time (ETIME): ',
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+ r1, tarray1
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write (6, *) '(Clock-tick detected after ', i, ' 1K loops.)'
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call idate (i,j,k)
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call idate (idat)
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write (6,*) 'IDATE d,m,y: ',idat
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print *, '... and the VXT version: ', i,j,k
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if (i/=idat(2) .or. j/=idat(1) .or. k/=idat(3)) then
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print *, '*** vxy and u77 versions don''t agree'
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call abort
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end if
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call time(line(:8))
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print *, 'TIME: ', line(:8)
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write (6,*) 'SECNDS(0.0) returns: ',secnds(0.0)
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write (6,*) 'SECOND returns: ', second()
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call dumdum(r1)
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call second(r1)
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write (6,*) 'CALL SECOND returns: ', r1
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i = getcwd(wd)
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if (i.ne.0) then
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call perror ('*** getcwd')
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call abort
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else
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write (6,*) 'Current directory is "'//wd(:lenstr(wd))//'"'
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end if
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call chdir ('.',i)
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if (i.ne.0) then
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write (6,*) '***CHDIR to ".": ', i
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call abort
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end if
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i=hostnm(wd)
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if(i.ne.0) then
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call perror ('*** hostnm')
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call abort
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else
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write (6,*) 'Host name is ', wd(:lenstr(wd))
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end if
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i = access('/dev/null ', 'rw')
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if (i.ne.0) write (6,*) '***Read/write ACCESS to /dev/null: ', i
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write (6,*) 'Creating file "foo" for testing...'
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open (3,file='foo',status='UNKNOWN')
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rewind 3
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call fputc(3, 'c',i)
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call fputc(3, 'd',j)
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if (i+j.ne.0) write(6,*) '***FPUTC: ', i
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C why is it necessary to reopen? (who wrote this?)
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C the better to test with, my dear! (-- burley)
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close(3)
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open(3,file='foo',status='old')
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call fseek(3,0,0,*10)
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go to 20
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10 write(6,*) '***FSEEK failed'
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call abort
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20 call fgetc(3, c,i)
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if (i.ne.0) then
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write(6,*) '***FGETC: ', i
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call abort
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end if
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if (c.ne.'c') then
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write(6,*) '***FGETC read the wrong thing: ', ichar(c)
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call abort
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end if
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i= ftell(3)
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if (i.ne.1) then
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write(6,*) '***FTELL offset: ', i
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call abort
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end if
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call chmod ('foo', 'a+w',i)
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if (i.ne.0) then
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write (6,*) '***CHMOD of "foo": ', i
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call abort
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end if
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i = fstat (3, fstatb)
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if (i.ne.0) then
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write (6,*) '***FSTAT of "foo": ', i
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call abort
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end if
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i = stat ('foo', statb)
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if (i.ne.0) then
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write (6,*) '***STAT of "foo": ', i
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call abort
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end if
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write (6,*) ' with stat array ', statb
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if (statb(5).ne.getuid () .or. statb(6).ne.getgid() .or. statb(4)
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+ .ne. 1) then
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write (6,*) '*** FSTAT uid, gid or nlink is wrong'
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call abort
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end if
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do i=1,13
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if (fstatb (i) .ne. statb (i)) then
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write (6,*) '*** FSTAT and STAT don''t agree on '// '
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+ array element ', i, ' value ', fstatb (i), statb (i)
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call abort
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end if
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end do
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i = lstat ('foo', fstatb)
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do i=1,13
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if (fstatb (i) .ne. statb (i)) then
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write (6,*) '*** LSTAT and STAT don''t agree on '// '
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+ array element ', i, ' value ', fstatb (i), statb (i)
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call abort
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end if
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end do
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C in case it exists already:
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call unlink ('bar',i)
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call link ('foo ', 'bar ',i)
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if (i.ne.0) then
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write (6,*) '***LINK "foo" to "bar" failed: ', i
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call abort
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end if
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call unlink ('foo',i)
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if (i.ne.0) then
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write (6,*) '***UNLINK "foo" failed: ', i
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call abort
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end if
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call unlink ('foo',i)
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if (i.eq.0) then
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write (6,*) '***UNLINK "foo" again: ', i
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call abort
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end if
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call gerror (gerr)
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i = ierrno()
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write (6,'(A,I3,A/1X,A)') ' The current error number is: ',
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+ i,
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+ ' and the corresponding message is:', gerr(:lenstr(gerr))
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write (6,*) 'This is sent to stderr prefixed by the program name'
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call getarg (0, line)
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call perror (line (:lenstr (line)))
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call unlink ('bar')
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C WRITE (6,*) 'You should see exit status 1'
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CALL EXIT(0)
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99 END
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integer function lenstr (str)
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C return length of STR not including trailing blanks, but always
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C return >0
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character *(*) str
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if (str.eq.' ') then
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lenstr=1
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else
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lenstr = lnblnk (str)
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end if
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end
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* just make sure SECOND() doesn't "magically" work the second time.
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subroutine dumdum(r)
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r = 3.14159
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end
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* do an add that is most likely to be done in single precision.
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subroutine sgladd(sum,left,right)
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implicit none
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real sum,left,right
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sum = left+right
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end
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* signal handler
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subroutine ctrlc
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print *, 'Got ^C'
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call abort
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end
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