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! RUN: %python %S/test_errors.py %s %flang_fc1
! This test checks for semantic errors in event wait statements based on the
! statement specification in section 11.6.8 of the Fortran 2018 standard.
! Some of the errors in this test would be hidden by the errors in
! the test event02a.f90 if they were included in that file,
! and are thus tested here.
program test_event_wait
use iso_fortran_env, only : event_type
implicit none
! event_type variables must be coarrays
type(event_type) non_coarray
type(event_type) concert[*], occurrences(2)[*]
integer threshold, indexed(1), non_event[*], sync_status, co_indexed_integer[*], superfluous_stat, non_scalar(1)
character(len=128) error_message, non_scalar_char(1), co_indexed_character[*], superfluous_errmsg
logical invalid_type
!____________________ non-standard-conforming statements __________________________
!_________________________ invalid event-variable ________________________________
! event-variable must be event_type
event wait(non_event)
! event-variable must be a coarray
event wait(non_coarray)
! event-variable must not be coindexed
event wait(concert[1])
! event-variable must not be coindexed
event wait(occurrences(1)[1])
!ERROR: Must be a scalar value, but is a rank-1 array
event wait(occurrences)
!_____________ invalid event-wait-spec-lists: invalid until-spec _________________
!ERROR: Must have INTEGER type, but is LOGICAL(4)
event wait(concert, until_count=invalid_type)
!ERROR: Must be a scalar value, but is a rank-1 array
event wait(concert, until_count=non_scalar)
!_________________ invalid sync-stat-lists: invalid stat= ________________________
!ERROR: Must have INTEGER type, but is LOGICAL(4)
event wait(concert, stat=invalid_type)
!ERROR: Must be a scalar value, but is a rank-1 array
event wait(concert, stat=non_scalar)
!________________ invalid sync-stat-lists: invalid errmsg= _______________________
!ERROR: Must have CHARACTER type, but is LOGICAL(4)
event wait(concert, errmsg=invalid_type)
!ERROR: Must be a scalar value, but is a rank-1 array
event wait(concert, errmsg=non_scalar_char)
!______ invalid event-wait-spec-lists: redundant event-wait-spec-list ____________
! No specifier shall appear more than once in a given event-wait-spec-list
event wait(concert, until_count=threshold, until_count=indexed(1))
! No specifier shall appear more than once in a given event-wait-spec-list
event wait(concert, stat=sync_status, stat=superfluous_stat)
! No specifier shall appear more than once in a given event-wait-spec-list
event wait(concert, errmsg=error_message, errmsg=superfluous_errmsg)
!_____________ invalid sync-stat-lists: coindexed stat-variable __________________
! Check constraint C1173 from the Fortran 2018 standard
event wait(concert, stat=co_indexed_integer[1])
! Check constraint C1173 from the Fortran 2018 standard
event wait(concert, errmsg=co_indexed_character[1])
end program test_event_wait
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