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! RUN: %python %S/test_errors.py %s %flang_fc1
! Test SELECT CASE Constraints: C1145, C1146, C1147, C1148, C1149
program selectCaseProg
implicit none
! local variable declaration
character :: grade1 = 'B'
integer :: grade2 = 3
logical :: grade3 = .false.
real :: grade4 = 2.0
character (len = 10) :: name = 'test'
logical, parameter :: grade5 = .false.
CHARACTER(KIND=1), parameter :: ASCII_parm1 = 'a', ASCII_parm2='b'
CHARACTER(KIND=2), parameter :: UCS16_parm = 'c'
CHARACTER(KIND=4), parameter :: UCS32_parm ='d'
type scores
integer :: val
end type
type (scores) :: score = scores(25)
type (scores), parameter :: score_val = scores(50)
! Valid Cases
select case (grade1)
case ('A')
case ('B')
case ('C')
case default
end select
select case (grade2)
case (1)
case (2)
case (3)
case default
end select
select case (grade3)
case (.true.)
case (.false.)
end select
select case (name)
case default
case ('now')
case ('test')
end select
! C1145
!ERROR: SELECT CASE expression must be integer, logical, or character
select case (grade4)
case (1.0)
case (2.0)
case (3.0)
case default
end select
!ERROR: SELECT CASE expression must be integer, logical, or character
select case (score)
case (score_val)
case (scores(100))
end select
! C1146
select case (grade3)
case default
case (.true.)
!ERROR: CASE DEFAULT conflicts with previous cases
case default
end select
! C1147
select case (grade2)
!ERROR: CASE value has type 'CHARACTER(KIND=1,LEN=1_8)' which is not compatible with the SELECT CASE expression's type 'INTEGER(4)'
case (:'Z')
case default
end select
select case (grade1)
!ERROR: CASE value has type 'INTEGER(4)' which is not compatible with the SELECT CASE expression's type 'CHARACTER(KIND=1,LEN=1_8)'
case (:1)
case default
end select
select case (grade3)
case default
case (.true.)
!ERROR: CASE value has type 'INTEGER(4)' which is not compatible with the SELECT CASE expression's type 'LOGICAL(4)'
case (3)
end select
select case (grade2)
case default
case (2 :)
!ERROR: CASE value has type 'LOGICAL(4)' which is not compatible with the SELECT CASE expression's type 'INTEGER(4)'
case (.true. :)
!ERROR: CASE value has type 'REAL(4)' which is not compatible with the SELECT CASE expression's type 'INTEGER(4)'
case (1.0)
!ERROR: CASE value has type 'CHARACTER(KIND=1,LEN=3_8)' which is not compatible with the SELECT CASE expression's type 'INTEGER(4)'
case ('wow')
end select
select case (ASCII_parm1)
case (ASCII_parm2)
!ERROR: CASE value has type 'CHARACTER(KIND=4,LEN=1_8)' which is not compatible with the SELECT CASE expression's type 'CHARACTER(KIND=1,LEN=1_8)'
case (UCS32_parm)
!ERROR: CASE value has type 'CHARACTER(KIND=2,LEN=1_8)' which is not compatible with the SELECT CASE expression's type 'CHARACTER(KIND=1,LEN=1_8)'
case (UCS16_parm)
!ERROR: CASE value has type 'CHARACTER(KIND=4,LEN=6_8)' which is not compatible with the SELECT CASE expression's type 'CHARACTER(KIND=1,LEN=1_8)'
case (4_"ucs-32")
!ERROR: CASE value has type 'CHARACTER(KIND=2,LEN=6_8)' which is not compatible with the SELECT CASE expression's type 'CHARACTER(KIND=1,LEN=1_8)'
case (2_"ucs-16")
case default
end select
! C1148
select case (grade3)
case default
!ERROR: CASE range is not allowed for LOGICAL
case (.true. :)
end select
! C1149
select case (grade3)
case (.true.)
case (.false.)
!ERROR: CASE (.true._1) conflicts with previous cases
case (.true.)
!ERROR: CASE (.false._1) conflicts with previous cases
case (grade5)
end select
select case (grade2)
!WARNING: CASE has lower bound greater than upper bound
case (51:50)
case (100:)
case (:30)
case (40)
case (90)
case (91:99)
!ERROR: CASE (81_4:90_4) conflicts with previous cases
case (81:90)
!ERROR: CASE (:80_4) conflicts with previous cases
case (:80)
!ERROR: CASE (200_4) conflicts with previous cases
case (200)
case default
end select
select case (name)
case ('hello')
case ('hey')
!ERROR: CASE (:"hh") conflicts with previous cases
case (:'hh')
!ERROR: CASE (:"hd") conflicts with previous cases
case (:'hd')
case ( 'hu':)
case ('hi':'ho')
!ERROR: CASE ("hj") conflicts with previous cases
case ('hj')
!ERROR: CASE ("ha") conflicts with previous cases
case ('ha')
!ERROR: CASE ("hz") conflicts with previous cases
case ('hz')
case default
end select
end program
subroutine test_overlap
integer :: i
!OK: these cases do not overlap
select case(i)
case(0:)
case(:-1)
end select
select case(i)
case(-1:)
!ERROR: CASE (:0_4) conflicts with previous cases
case(:0)
end select
end
subroutine test_overflow
integer :: j
select case(1_1)
case (127)
!WARNING: CASE value (128_4) overflows type (INTEGER(1)) of SELECT CASE expression
case (128)
!WARNING: CASE value (129_4) overflows type (INTEGER(1)) of SELECT CASE expression
!WARNING: CASE value (130_4) overflows type (INTEGER(1)) of SELECT CASE expression
case (129:130)
!WARNING: CASE value (-130_4) overflows type (INTEGER(1)) of SELECT CASE expression
!WARNING: CASE value (-129_4) overflows type (INTEGER(1)) of SELECT CASE expression
case (-130:-129)
case (-128)
!ERROR: Must be a scalar value, but is a rank-1 array
case ([1, 2])
!ERROR: Must be a constant value
case (j)
case default
end select
end
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