C -*- Mode: Fortran; -*-
C
C (C) 2012 by Argonne National Laboratory.
C See COPYRIGHT in top-level directory.
C
program main
implicit none
include 'mpif.h'
integer idx, ierr, rank, size, count
integer sendbuf(8), recvbuf(8)
integer s1(MPI_STATUS_SIZE), s2(MPI_STATUS_SIZE)
integer msg, errs
integer rreq
logical found, flag
ierr = -1
errs = 0
call mpi_init( ierr )
if (ierr .ne. MPI_SUCCESS) then
errs = errs + 1
print *, ' Unexpected return from MPI_INIT', ierr
endif
call mpi_comm_rank( MPI_COMM_WORLD, rank, ierr )
call mpi_comm_size( MPI_COMM_WORLD, size, ierr )
if (size .lt. 2) then
errs = errs + 1
print *, ' This test requires at least 2 processes'
C Abort now - do not continue in this case.
call mpi_abort( MPI_COMM_WORLD, 1, ierr )
endif
if (size .gt. 2) then
print *, ' This test is running with ', size, ' processes,'
print *, ' only 2 processes are used.'
endif
C Test 0: simple Send and Mprobe+Mrecv.
if (rank .eq. 0) then
sendbuf(1) = 1735928559
sendbuf(2) = 1277009102
call MPI_Send(sendbuf, 2, MPI_INTEGER,
. 1, 5, MPI_COMM_WORLD, ierr)
else
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Mprobe(0, 5, MPI_COMM_WORLD, msg, s1, ierr)
if (s1(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != 0 at T0 Mprobe().'
endif
if (s1(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's1(MPI_TAG) != 5 at T0 Mprobe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T0 Mprobe().'
endif
if (msg .eq. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg == MPI_MESSAGE_NULL at T0 Mprobe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 2) then
errs = errs + 1
print *, 'probed buffer does not have 2 MPI_INTEGERs.'
endif
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Mrecv(recvbuf, count, MPI_INTEGER, msg, s2, ierr)
if (recvbuf(1) .ne. 1735928559) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T0 Mrecv().'
endif
if (recvbuf(2) .ne. 1277009102) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T0 Mrecv().'
endif
if (s2(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != 0 at T0 Mrecv().'
endif
if (s2(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's2(MPI_TAG) != 5 at T0 Mrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T0 Mrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T0 Mrecv().'
endif
endif
C Test 1: simple Send and Mprobe+Imrecv.
if (rank .eq. 0) then
sendbuf(1) = 1735928559
sendbuf(2) = 1277009102
call MPI_Send(sendbuf, 2, MPI_INTEGER,
. 1, 5, MPI_COMM_WORLD, ierr)
else
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Mprobe(0, 5, MPI_COMM_WORLD, msg, s1, ierr)
if (s1(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != 0 at T1 Mprobe().'
endif
if (s1(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's1(MPI_TAG) != 5 at T1 Mprobe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T1 Mprobe().'
endif
if (msg .eq. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg == MPI_MESSAGE_NULL at T1 Mprobe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 2) then
errs = errs + 1
print *, 'probed buffer does not have 2 MPI_INTEGERs.'
endif
rreq = MPI_REQUEST_NULL
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Imrecv(recvbuf, count, MPI_INTEGER, msg, rreq, ierr)
if (rreq .eq. MPI_REQUEST_NULL) then
errs = errs + 1
print *, 'rreq is unmodified at T1 Imrecv().'
endif
call MPI_Wait(rreq, s2, ierr)
if (recvbuf(1) .ne. 1735928559) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T1 Imrecv().'
endif
if (recvbuf(2) .ne. 1277009102) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T1 Imrecv().'
endif
if (s2(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != 0 at T1 Imrecv().'
endif
if (s2(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's2(MPI_TAG) != 5 at T1 Imrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T1 Imrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T1 Imrecv().'
endif
endif
C Test 2: simple Send and Improbe+Mrecv.
if (rank .eq. 0) then
sendbuf(1) = 1735928559
sendbuf(2) = 1277009102
call MPI_Send(sendbuf, 2, MPI_INTEGER,
. 1, 5, MPI_COMM_WORLD, ierr)
else
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Improbe(0, 5, MPI_COMM_WORLD, found, msg, s1, ierr)
do while (.not. found)
call MPI_Improbe(0, 5, MPI_COMM_WORLD,
. found, msg, s1, ierr)
enddo
if (msg .eq. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg == MPI_MESSAGE_NULL at T2 Improbe().'
endif
if (s1(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != 0 at T2 Improbe().'
endif
if (s1(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's1(MPI_TAG) != 5 at T2 Improbe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T2 Improbe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 2) then
errs = errs + 1
print *, 'probed buffer does not have 2 MPI_INTEGERs.'
endif
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Mrecv(recvbuf, count, MPI_INTEGER, msg, s2, ierr)
if (recvbuf(1) .ne. 1735928559) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T2 Mrecv().'
endif
if (recvbuf(2) .ne. 1277009102) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T2 Mrecv().'
endif
if (s2(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != 0 at T2 Mrecv().'
endif
if (s2(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's2(MPI_TAG) != 5 at T2 Mrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T2 Mrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T2 Mrecv().'
endif
endif
C Test 3: simple Send and Improbe+Imrecv.
if (rank .eq. 0) then
sendbuf(1) = 1735928559
sendbuf(2) = 1277009102
call MPI_Send(sendbuf, 2, MPI_INTEGER,
. 1, 5, MPI_COMM_WORLD, ierr)
else
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Improbe(0, 5, MPI_COMM_WORLD, found, msg, s1, ierr)
do while (.not. found)
call MPI_Improbe(0, 5, MPI_COMM_WORLD,
. found, msg, s1, ierr)
enddo
if (msg .eq. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg == MPI_MESSAGE_NULL at T3 Improbe().'
endif
if (s1(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != 0 at T3 Improbe().'
endif
if (s1(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's1(MPI_TAG) != 5 at T3 Improbe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T3 Improbe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 2) then
errs = errs + 1
print *, 'probed buffer does not have 2 MPI_INTEGERs.'
endif
rreq = MPI_REQUEST_NULL
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Imrecv(recvbuf, count, MPI_INTEGER, msg, rreq, ierr)
if (rreq .eq. MPI_REQUEST_NULL) then
errs = errs + 1
print *, 'rreq is unmodified at T3 Imrecv().'
endif
call MPI_Wait(rreq, s2, ierr)
if (recvbuf(1) .ne. 1735928559) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T3 Imrecv().'
endif
if (recvbuf(2) .ne. 1277009102) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T3 Imrecv().'
endif
if (s2(MPI_SOURCE) .ne. 0) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != 0 at T3 Imrecv().'
endif
if (s2(MPI_TAG) .ne. 5) then
errs = errs + 1
print *, 's2(MPI_TAG) != 5 at T3 Imrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T3 Imrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T3 Imrecv().'
endif
endif
C Test 4: Mprobe+Mrecv with MPI_PROC_NULL
if (.true.) then
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Mprobe(MPI_PROC_NULL, 5, MPI_COMM_WORLD,
. msg, s1, ierr)
if (s1(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != MPI_PROC_NULL at T4 Mprobe().'
endif
if (s1(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's1(MPI_TAG) != MPI_ANY_TAG at T4 Mprobe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T4 Mprobe().'
endif
if (msg .ne. MPI_MESSAGE_NO_PROC) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NO_PROC at T4 Mprobe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'probed buffer does not have 0 MPI_INTEGER.'
endif
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Mrecv(recvbuf, count, MPI_INTEGER, msg, s2, ierr)
C recvbuf() should remain unmodified
if (recvbuf(1) .ne. 19088743) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T4 Mrecv().'
endif
if (recvbuf(2) .ne. 1309737967) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T4 Mrecv().'
endif
if (s2(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != MPI_PROC_NULL at T4 Mrecv().'
endif
if (s2(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's2(MPI_TAG) != MPI_ANY_TAG at T4 Mrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T4 Mrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T4 Mrecv().'
endif
count = -1
call MPI_Get_count(s2, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'recv buffer does not have 0 MPI_INTEGER.'
endif
endif
C Test 5: Mprobe+Imrecv with MPI_PROC_NULL
if (.true.) then
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
msg = MPI_MESSAGE_NULL
call MPI_Mprobe(MPI_PROC_NULL, 5, MPI_COMM_WORLD,
. msg, s1, ierr)
if (s1(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != MPI_PROC_NULL at T5 Mprobe().'
endif
if (s1(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's1(MPI_TAG) != MPI_ANY_TAG at T5 Mprobe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T5 Mprobe().'
endif
if (msg .ne. MPI_MESSAGE_NO_PROC) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NO_PROC at T5 Mprobe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'probed buffer does not have 0 MPI_INTEGER.'
endif
rreq = MPI_REQUEST_NULL
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Imrecv(recvbuf, count, MPI_INTEGER, msg, rreq, ierr)
if (rreq .eq. MPI_REQUEST_NULL) then
errs = errs + 1
print *, 'rreq == MPI_REQUEST_NULL at T5 Imrecv().'
endif
flag = .false.
call MPI_Test(rreq, flag, s2, ierr)
if (.not. flag) then
errs = errs + 1
print *, 'flag is false at T5 Imrecv().'
endif
C recvbuf() should remain unmodified
if (recvbuf(1) .ne. 19088743) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T5 Imrecv().'
endif
if (recvbuf(2) .ne. 1309737967) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T5 Imrecv().'
endif
if (s2(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != MPI_PROC_NULL at T5 Imrecv().'
endif
if (s2(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's2(MPI_TAG) != MPI_ANY_TAG at T5 Imrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T5 Imrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T5 Imrecv().'
endif
count = -1
call MPI_Get_count(s2, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'recv buffer does not have 0 MPI_INTEGER.'
endif
endif
C Test 6: Improbe+Mrecv with MPI_PROC_NULL
if (.true.) then
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
found = .false.
msg = MPI_MESSAGE_NULL
call MPI_Improbe(MPI_PROC_NULL, 5, MPI_COMM_WORLD,
. found, msg, s1, ierr)
if (.not. found) then
errs = errs + 1
print *, 'found is false at T6 Improbe().'
endif
if (s1(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != MPI_PROC_NULL at T6 Improbe()'
endif
if (s1(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's1(MPI_TAG) != MPI_ANY_TAG at T6 Improbe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T6 Improbe().'
endif
if (msg .ne. MPI_MESSAGE_NO_PROC) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NO_PROC at T6 Improbe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'probed buffer does not have 0 MPI_INTEGER.'
endif
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Mrecv(recvbuf, count, MPI_INTEGER, msg, s2, ierr)
C recvbuf() should remain unmodified
if (recvbuf(1) .ne. 19088743) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T6 Mrecv().'
endif
if (recvbuf(2) .ne. 1309737967) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T6 Mrecv().'
endif
if (s2(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != MPI_PROC_NULL at T6 Mrecv().'
endif
if (s2(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's2(MPI_TAG) != MPI_ANY_TAG at T6 Mrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T6 Mrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T6 Mrecv().'
endif
count = -1
call MPI_Get_count(s2, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'recv buffer does not have 0 MPI_INTEGER.'
endif
endif
C Test 7: Improbe+Imrecv with MPI_PROC_NULL
if (.true.) then
do idx = 1, MPI_STATUS_SIZE
s1(idx) = 0
s2(idx) = 0
enddo
C the error fields are initialized for modification check.
s1(MPI_ERROR) = MPI_ERR_DIMS
s2(MPI_ERROR) = MPI_ERR_OTHER
found = .false.
msg = MPI_MESSAGE_NULL
call MPI_Improbe(MPI_PROC_NULL, 5, MPI_COMM_WORLD,
. found, msg, s1, ierr)
if (.not. found) then
errs = errs + 1
print *, 'found is false at T7 Improbe().'
endif
if (s1(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's1(MPI_SOURCE) != MPI_PROC_NULL at T7 Improbe()'
endif
if (s1(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's1(MPI_TAG) != MPI_ANY_TAG at T7 Improbe().'
endif
if (s1(MPI_ERROR) .ne. MPI_ERR_DIMS) then
errs = errs + 1
print *, 's1(MPI_ERROR) != MPI_ERR_DIMS at T7 Improbe().'
endif
if (msg .ne. MPI_MESSAGE_NO_PROC) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NO_PROC at T7 Improbe().'
endif
count = -1
call MPI_Get_count(s1, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'probed buffer does not have 0 MPI_INTEGER.'
endif
rreq = MPI_REQUEST_NULL
recvbuf(1) = 19088743
recvbuf(2) = 1309737967
call MPI_Imrecv(recvbuf, count, MPI_INTEGER, msg, rreq, ierr)
if (rreq .eq. MPI_REQUEST_NULL) then
errs = errs + 1
print *, 'rreq == MPI_REQUEST_NULL at T7 Imrecv().'
endif
flag = .false.
call MPI_Test(rreq, flag, s2, ierr)
if (.not. flag) then
errs = errs + 1
print *, 'flag is false at T7 Imrecv().'
endif
C recvbuf() should remain unmodified
if (recvbuf(1) .ne. 19088743) then
errs = errs + 1
print *, 'recvbuf(1) is corrupted at T7 Imrecv().'
endif
if (recvbuf(2) .ne. 1309737967) then
errs = errs + 1
print *, 'recvbuf(2) is corrupted at T7 Imrecv().'
endif
if (s2(MPI_SOURCE) .ne. MPI_PROC_NULL) then
errs = errs + 1
print *, 's2(MPI_SOURCE) != MPI_PROC_NULL at T7 Imrecv().'
endif
if (s2(MPI_TAG) .ne. MPI_ANY_TAG) then
errs = errs + 1
print *, 's2(MPI_TAG) != MPI_ANY_TAG at T7 Imrecv().'
endif
if (s2(MPI_ERROR) .ne. MPI_ERR_OTHER) then
errs = errs + 1
print *, 's2(MPI_ERROR) != MPI_ERR_OTHER at T7 Imrecv().'
endif
if (msg .ne. MPI_MESSAGE_NULL) then
errs = errs + 1
print *, 'msg != MPI_MESSAGE_NULL at T7 Imrecv().'
endif
count = -1
call MPI_Get_count(s2, MPI_INTEGER, count, ierr)
if (count .ne. 0) then
errs = errs + 1
print *, 'recv buffer does not have 0 MPI_INTEGER.'
endif
endif
call mtest_finalize( errs )
end