flang/test/Semantics/collectives03.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 ! XFAIL: *
   3 ! This test checks for semantic errors in co_max subroutine calls based on
   4 ! the co_max interface defined in section 16.9.47 of the Fortran 2018 standard.
   5 ! To Do: add co_max to the list of intrinsics
   6
   7 program test_co_max
   8   implicit none
   9
  10   integer          i, integer_array(1), coindexed_integer[*], status
  11   character(len=1) c, character_array(1), coindexed_character[*], message
  12   double precision d, double_precision_array(1)
  13   real             r, real_array(1), coindexed_real[*]
  14   complex          complex_type
  15   logical          bool
  16
  17   !___ standard-conforming calls with no keyword arguments ___
  18   call co_max(i)
  19   call co_max(c)
  20   call co_max(d)
  21   call co_max(r)
  22   call co_max(i, 1)
  23   call co_max(c, 1, status)
  24   call co_max(d, 1, status, message)
  25   call co_max(r, 1, status, message)
  26   call co_max(integer_array)
  27   call co_max(character_array, 1)
  28   call co_max(double_precision_array, 1, status)
  29   call co_max(real_array, 1, status, message)
  30
  31   !___ standard-conforming calls with keyword arguments ___
  32
  33   ! all arguments present
  34   call co_max(a=i, result_image=1, stat=status, errmsg=message)
  35   call co_max(result_image=1, a=i, errmsg=message, stat=status)
  36
  37   ! one optional argument not present
  38   call co_max(a=i,                 stat=status, errmsg=message)
  39   call co_max(a=i, result_image=1,              errmsg=message)
  40   call co_max(a=i, result_image=1, stat=status                )
  41
  42   ! two optional arguments not present
  43   call co_max(a=i, result_image=1                             )
  44   call co_max(a=i,                 stat=status                )
  45   call co_max(a=i,                              errmsg=message)
  46
  47   ! no optional arguments present
  48   call co_max(a=i)
  49
  50   !___ non-standard-conforming calls ___
  51
  52   ! argument 'a' shall be of numeric type
  53   !ERROR: Actual argument for 'a=' has bad type 'LOGICAL(4)'
  54   call co_max(bool)
  55
  56   ! argument 'a' shall be of numeric type
  57   !ERROR: Actual argument for 'a=' has bad type 'COMPLEX(4)'
  58   call co_max(complex_type)
  59
  60   ! argument 'a' is intent(inout)
  61   !ERROR: Actual argument associated with INTENT(IN OUT) dummy argument 'a=' must be definable
  62   call co_max(a=1+1)
  63
  64   ! argument 'a' shall not be a coindexed object
  65   !ERROR: to be determined
  66   call co_max(a=coindexed_real[1])
  67
  68   ! 'result_image' argument shall be a scalar
  69   !ERROR: too many actual arguments for intrinsic 'co_max'
  70   call co_max(i, result_image=bool)
  71
  72   ! 'result_image' argument shall be an integer scalar
  73   !ERROR: too many actual arguments for intrinsic 'co_max'
  74   call co_max(c, result_image=integer_array)
  75
  76   ! 'stat' argument shall be noncoindexed
  77   !ERROR: to be determined
  78   call co_max(d, stat=coindexed_integer[1])
  79
  80   ! 'stat' argument shall be an integer
  81   !ERROR: Actual argument for 'stat=' has bad type 'CHARACTER(KIND=1,LEN=1_8)'
  82   call co_max(r, stat=message)
  83
  84   ! 'stat' argument shall be an integer scalar
  85   !ERROR: 'stat=' argument has unacceptable rank 1
  86   call co_max(i, stat=integer_array)
  87
  88   ! 'errmsg' argument shall be noncoindexed
  89   !ERROR: to be determined
  90   call co_max(c, errmsg=coindexed_character[1])
  91
  92   ! 'errmsg' argument shall be character scalar
  93   !ERROR: 'errmsg=' argument has unacceptable rank 1
  94   call co_max(d, errmsg=character_array)
  95
  96   ! the error is seen as too many arguments to the co_max() call
  97   !ERROR: too many actual arguments for intrinsic 'co_max'
  98   call co_max(r, result_image=1, stat=status, errmsg=message, 3.4)
  99
 100   ! keyword argument with incorrect name
 101   !ERROR: unknown keyword argument to intrinsic 'co_max'
 102   call co_max(fake=3.4)
 103
 104 end program test_co_max