!!  Copyright (C)  Stichting Deltares, 2012-2019.
!!
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!!  it under the terms of the GNU General Public License version 3,
!!  as published by the Free Software Foundation.
!!
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!!  but WITHOUT ANY WARRANTY; without even the implied warranty of
!!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
!!  GNU General Public License for more details.
!!
!!  You should have received a copy of the GNU General Public License
!!  along with this program. If not, see <http://www.gnu.org/licenses/>.
!!
!!  contact: delft3d.support@deltares.nl
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!!  of Stichting Deltares remain the property of Stichting Deltares. All
!!  rights reserved.

module basic_tests
    use ftnunit

    implicit none

contains
subroutine tests_zoek
    call test( test_zoek, 'Tests for ZOEK routines - arrays of strings' )
end subroutine tests_zoek

subroutine test_zoek

    character(len=10), dimension(5) :: names = &
        ['Name 1    ', 'Name 2    ', 'Name 3    ', 'Name 4    ', 'NAME 3    ']
    character(len=10) :: lookup
    integer           :: i, idx, string_length

    !
    ! Case-sensitive search
    !
    lookup        = 'Name 3'
    string_length = len(names)
    call zoekcs( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, 3, 'Returned location correct (full string, case-sensitive)' )

    ! Truncate the search to a short prefix
    string_length = 4
    call zoekcs( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, 1, 'Returned location correct (short prefix, case-sensitive)' )

    ! Unknown string
    lookup        = 'Unknown'
    string_length = len(names)
    call zoekcs( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, -1, 'Returned location correct (unknown string, case-sensitive)' )

    !
    ! Case-insensitive search
    !
    lookup        = 'NAME 3'
    string_length = len(names)
    call zoekns( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, 3, 'Returned location correct (full string, case-insensitive)' )

    ! Truncate the search to a short prefix
    string_length = 4
    call zoekns( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, 1, 'Returned location correct (short prefix, case-insensitive))' )

    ! Unknown string
    lookup        = 'Unknown'
    string_length = len(names)
    call zoekcs( lookup, size(names), names, string_length, idx )

    call assert_equal( idx, -1, 'Returned location correct (unknown string, case-insensitive)' )

    !
    ! Configured case-(in)sensitive search
    !
    do i = 0,1
        call setzmo( i )

        lookup        = 'NAME 3'
        string_length = len(names)
        call zoek( lookup, size(names), names, string_length, idx )

        if ( i == 0 ) then
            call assert_equal( idx, 3, 'Returned location correct (full string, case-insensitive)' )
        else
            call assert_equal( idx, 5, 'Returned location correct (full string, case-sensitive)' )
        endif
    enddo
end subroutine test_zoek
end module basic_tests