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! SPDX-Identifer: MIT
module test_string_operator
use testdrive, only : new_unittest, unittest_type, error_type, check
use stdlib_string_type, only : string_type, assignment(=), len, &
operator(>), operator(<), operator(>=), operator(<=), &
operator(/=), operator(==), operator(//)
implicit none
contains
!> Collect all exported unit tests
subroutine collect_string_operator(testsuite)
!> Collection of tests
type(unittest_type), allocatable, intent(out) :: testsuite(:)
testsuite = [ &
new_unittest("gt", test_gt), &
new_unittest("lt", test_lt), &
new_unittest("ge", test_ge), &
new_unittest("le", test_le), &
new_unittest("eq", test_eq), &
new_unittest("ne", test_ne), &
new_unittest("concat", test_concat) &
]
end subroutine collect_string_operator
subroutine test_gt(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string > "abc"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string > "bcd"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string > "cde"
call check(error, res .eqv. .false.)
end subroutine test_gt
subroutine test_lt(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string < "abc"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string < "bcd"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string < "cde"
call check(error, res .eqv. .true.)
end subroutine test_lt
subroutine test_ge(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string >= "abc"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string >= "bcd"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string >= "cde"
call check(error, res .eqv. .false.)
end subroutine test_ge
subroutine test_le(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string <= "abc"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string <= "bcd"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string <= "cde"
call check(error, res .eqv. .true.)
end subroutine test_le
subroutine test_eq(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string == "abc"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string == "bcd"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string == "cde"
call check(error, res .eqv. .false.)
end subroutine test_eq
subroutine test_ne(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
logical :: res
string = "bcd"
res = string /= "abc"
call check(error, res .eqv. .true.)
if (allocated(error)) return
res = string /= "bcd"
call check(error, res .eqv. .false.)
if (allocated(error)) return
res = string /= "cde"
call check(error, res .eqv. .true.)
end subroutine test_ne
subroutine test_concat(error)
!> Error handling
type(error_type), allocatable, intent(out) :: error
type(string_type) :: string
string = "Hello, "
string = string // "World!"
call check(error, len(string) == 13)
end subroutine test_concat
end module test_string_operator
program tester
use, intrinsic :: iso_fortran_env, only : error_unit
use testdrive, only : run_testsuite, new_testsuite, testsuite_type
use test_string_operator, only : collect_string_operator
implicit none
integer :: stat, is
type(testsuite_type), allocatable :: testsuites(:)
character(len=*), parameter :: fmt = '("#", *(1x, a))'
stat = 0
testsuites = [ &
new_testsuite("string-operator", collect_string_operator) &
]
do is = 1, size(testsuites)
write(error_unit, fmt) "Testing:", testsuites(is)%name
call run_testsuite(testsuites(is)%collect, error_unit, stat)
end do
if (stat > 0) then
write(error_unit, '(i0, 1x, a)') stat, "test(s) failed!"
error stop
end if
end program
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