diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/io_constraints_3.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/io_constraints_3.f90 | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/io_constraints_3.f90 b/gcc/testsuite/gfortran.dg/io_constraints_3.f90 new file mode 100644 index 000000000..7622a2486 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/io_constraints_3.f90 @@ -0,0 +1,191 @@ +! Test some restrictions on the specifiers of OPEN and CLOSE statements. +! Contributed by Francois-Xavier Coudert (coudert@clipper.ens.fr) +! +! { dg-do compile } +! { dg-options "-ffree-line-length-none -pedantic -fmax-errors=50" } + integer,parameter :: mone = -1, zero = 0 + character(len=*),parameter :: foo = "foo" + character(len=20) :: str + integer :: u + +! Test for warnings, when IOSTAT is used + + open(10, iostat=u,access="sequential ") + open(10, iostat=u,access="sequential u") ! { dg-warning "ACCESS specifier in OPEN statement" } + open(10, iostat=u,access=foo) ! { dg-warning "ACCESS specifier in OPEN statement" } + open(10, iostat=u,access="direct") + open(10, iostat=u,access="stream") + open(10, iostat=u,access="append") ! { dg-warning "Extension: ACCESS specifier in OPEN statement" } + + open(10, iostat=u,action="read") + open(10, iostat=u,action="write") + open(10, iostat=u,action="readwrite") + open(10, iostat=u,action=foo) ! { dg-warning "ACTION specifier in OPEN statement" } + + open(10, iostat=u,blank="ZERO") + open(10, iostat=u,blank="nUlL") + open(10, iostat=u,blank="NULLL") ! { dg-warning "BLANK specifier in OPEN statement" } + + open(10, iostat=u,delim="apostrophe") + open(10, iostat=u,delim="quote") + open(10, iostat=u,delim="none") + open(10, iostat=u,delim="") ! { dg-warning "DELIM specifier in OPEN statement" } + + open(10, iostat=u,form="formatted") + open(10, iostat=u,form="unformatted") + open(10, iostat=u,form="default") ! { dg-warning "FORM specifier in OPEN statement" } + + open(10, iostat=u,pad="yes") + open(10, iostat=u,pad="no") + open(10, iostat=u,pad=foo) ! { dg-warning "PAD specifier in OPEN statement" } + + open(10, iostat=u,position="asis") + open(10, iostat=u,position="rewind") + open(10, iostat=u,position="append") + open(10, iostat=u,position=foo) ! { dg-warning "POSITION specifier in OPEN statement" } + + open(10, iostat=u,recl="ee") ! { dg-error "must be of type INTEGER" } + open(10, iostat=u,recl=0.4) ! { dg-error "must be of type INTEGER" } + open(10, iostat=u,recl=zero) ! { dg-warning "must be positive" } + open(10, iostat=u,recl=mone) ! { dg-warning "must be positive" } + + open(10, iostat=u,status="unknown") + open(10, iostat=u,status="old") + open(10, iostat=u,status=foo) ! { dg-warning "STATUS specifier in OPEN statement" } + + open(10, iostat=u,status="new") ! { dg-warning "no FILE specifier is present" } + open(10, iostat=u,status="replace ") ! { dg-warning "no FILE specifier is present" } + open(10, iostat=u,status="scratch",file=str) ! { dg-warning "cannot have the value SCRATCH if a FILE specifier is present" } + + open(10, iostat=u,form="unformatted",delim="none") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + open(10, iostat=u,form="unformatted",pad="yes") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + open(10, iostat=u,form="unformatted",blank="null") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + + open(10, iostat=u,access="direct",position="append") ! { dg-warning "only allowed for stream or sequential ACCESS" } + + close(10, iostat=u,status="keep") + close(10, iostat=u,status="delete") + close(10, iostat=u,status=foo) ! { dg-warning "STATUS specifier in CLOSE statement" } + + + +! Test for warnings, when an ERR label is specified + + open(10, err=99,access="sequential ") + open(10, err=99,access="sequential u") ! { dg-warning "ACCESS specifier in OPEN statement" } + open(10, err=99,access=foo) ! { dg-warning "ACCESS specifier in OPEN statement" } + open(10, err=99,access="direct") + open(10, err=99,access="stream") + open(10, err=99,access="append") ! { dg-warning "Extension: ACCESS specifier in OPEN statement" } + + open(10, err=99,action="read") + open(10, err=99,action="write") + open(10, err=99,action="readwrite") + open(10, err=99,action=foo) ! { dg-warning "ACTION specifier in OPEN statement" } + + open(10, err=99,blank="ZERO") + open(10, err=99,blank="nUlL") + open(10, err=99,blank="NULLL") ! { dg-warning "BLANK specifier in OPEN statement" } + + open(10, err=99,delim="apostrophe") + open(10, err=99,delim="quote") + open(10, err=99,delim="none") + open(10, err=99,delim="") ! { dg-warning "DELIM specifier in OPEN statement" } + + open(10, err=99,form="formatted") + open(10, err=99,form="unformatted") + open(10, err=99,form="default") ! { dg-warning "FORM specifier in OPEN statement" } + + open(10, err=99,pad="yes") + open(10, err=99,pad="no") + open(10, err=99,pad=foo) ! { dg-warning "PAD specifier in OPEN statement" } + + open(10, err=99,position="asis") + open(10, err=99,position="rewind") + open(10, err=99,position="append") + open(10, err=99,position=foo) ! { dg-warning "POSITION specifier in OPEN statement" } + + open(10, err=99,recl="ee") ! { dg-error "must be of type INTEGER" } + open(10, err=99,recl=0.4) ! { dg-error "must be of type INTEGER" } + open(10, err=99,recl=zero) ! { dg-warning "must be positive" } + open(10, err=99,recl=mone) ! { dg-warning "must be positive" } + + open(10, err=99,status="unknown") + open(10, err=99,status="old") + open(10, err=99,status=foo) ! { dg-warning "STATUS specifier in OPEN statement" } + + open(10, err=99,status="new") ! { dg-warning "no FILE specifier is present" } + open(10, err=99,status="replace ") ! { dg-warning "no FILE specifier is present" } + open(10, err=99,status="scratch",file=str) ! { dg-warning "cannot have the value SCRATCH if a FILE specifier is present" } + + open(10, err=99,form="unformatted",delim="none") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + open(10, err=99,form="unformatted",pad="yes") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + open(10, err=99,form="unformatted",blank="null") ! { dg-warning "not allowed in OPEN statement for unformatted I/O" } + + open(10, err=99,access="direct",position="append") ! { dg-warning "only allowed for stream or sequential ACCESS" } + + close(10, err=99,status="keep") + close(10, err=99,status="delete") + close(10, err=99,status=foo) ! { dg-warning "STATUS specifier in CLOSE statement" } + + 99 continue + +! Test for errors + + open(10,access="sequential ") + open(10,access="sequential u") ! { dg-error "ACCESS specifier in OPEN statement" } + open(10,access=foo) ! { dg-error "ACCESS specifier in OPEN statement" } + open(10,access="direct") + open(10,access="stream") + open(10,access="append") ! { dg-warning "Extension: ACCESS specifier in OPEN statement" } + + open(10,action="read") + open(10,action="write") + open(10,action="readwrite") + open(10,action=foo) ! { dg-error "ACTION specifier in OPEN statement" } + + open(10,blank="ZERO") + open(10,blank="nUlL") + open(10,blank="NULLL") ! { dg-error "BLANK specifier in OPEN statement" } + + open(10,delim="apostrophe") + open(10,delim="quote") + open(10,delim="none") + open(10,delim="") ! { dg-error "DELIM specifier in OPEN statement" } + + open(10,form="formatted") + open(10,form="unformatted") + open(10,form="default") ! { dg-error "FORM specifier in OPEN statement" } + + open(10,pad="yes") + open(10,pad="no") + open(10,pad=foo) ! { dg-error "PAD specifier in OPEN statement" } + + open(10,position="asis") + open(10,position="rewind") + open(10,position="append") + open(10,position=foo) ! { dg-error "POSITION specifier in OPEN statement" } + + open(10,recl="ee") ! { dg-error "must be of type INTEGER" } + open(10,recl=0.4) ! { dg-error "must be of type INTEGER" } + open(10,recl=zero) ! { dg-error "must be positive" } + open(10,recl=mone) ! { dg-error "must be positive" } + + open(10,status="unknown") + open(10,status="old") + open(10,status=foo) ! { dg-error "STATUS specifier in OPEN statement" } + + open(10,status="new") ! { dg-error "no FILE specifier is present" } + open(10,status="replace ") ! { dg-error "no FILE specifier is present" } + open(10,status="scratch",file=str) ! { dg-error "cannot have the value SCRATCH if a FILE specifier is present" } + + open(10,form="unformatted",delim="none") ! { dg-error "not allowed in OPEN statement for unformatted I/O" } + open(10,form="unformatted",pad="yes") ! { dg-error "not allowed in OPEN statement for unformatted I/O" } + open(10,form="unformatted",blank="null") ! { dg-error "not allowed in OPEN statement for unformatted I/O" } + + open(10,access="direct",position="append") ! { dg-error "only allowed for stream or sequential ACCESS" } + + close(10,status="keep") + close(10,status="delete") + close(10,status=foo) ! { dg-error "STATUS specifier in CLOSE statement" } +end |