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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.
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
!_______________________ standard-conforming statements ___________________________
event wait(concert)
event wait(occurrences(1))
event wait(concert, until_count=threshold)
event wait(concert, until_count=indexed(1))
event wait(concert, until_count=co_indexed_integer[1])
event wait(concert, stat=sync_status)
event wait(concert, until_count=threshold, stat=sync_status)
event wait(concert, errmsg=error_message)
event wait(concert, until_count=threshold, errmsg=error_message)
event wait(concert, stat=sync_status, errmsg=error_message)
event wait(concert, until_count=threshold, stat=sync_status, errmsg=error_message)
!____________________ non-standard-conforming statements __________________________
!_________________________ invalid event-variable ________________________________
! event-variable has an unknown expression
!ERROR: expected ')'
event wait(event=concert)
!_____________ invalid event-wait-spec-lists: invalid until-spec _________________
! Invalid until-spec keyword
!ERROR: expected ')'
event wait(concert, until_amount=threshold)
! Invalid until-spec: missing until-spec variable
!ERROR: expected ')'
event wait(concert, until_count)
! Invalid until-spec: missing 'until_count='
!ERROR: expected ')'
event wait(concert, threshold)
!_________________ invalid sync-stat-lists: invalid stat= ________________________
! Invalid stat-variable keyword
!ERROR: expected ')'
event wait(concert, status=sync_status)
! Invalid sync-stat-list: missing stat-variable
!ERROR: expected ')'
event wait(concert, stat)
! Invalid sync-stat-list: missing 'stat='
!ERROR: expected ')'
event wait(concert, sync_status)
!________________ invalid sync-stat-lists: invalid errmsg= _______________________
! Invalid errmsg-variable keyword
!ERROR: expected ')'
event wait(concert, errormsg=error_message)
! Invalid sync-stat-list: missing 'errmsg='
!ERROR: expected ')'
event wait(concert, error_message)
! Invalid sync-stat-list: missing errmsg-variable
!ERROR: expected ')'
event wait(concert, errmsg)
!______________ invalid event-variable: redundant event-variable _________________
!ERROR: expected ')'
event wait(concert, occurrences(1))
!ERROR: expected ')'
event wait(concert, occurrences(1), stat=sync_status, errmsg=error_message)
end program test_event_wait
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