Subversion Repositories openrisc_2011-10-31

! { dg-do run }

! Torture-test TRIM and LEN_TRIM for correctness.

! Given a total string length and a trimmed length, construct an

! appropriate string and check gfortran gets it right.

SUBROUTINE check_trim (full_len, trimmed_len)

  IMPLICIT NONE

  INTEGER, INTENT(IN) :: full_len, trimmed_len

  CHARACTER(LEN=full_len) :: string

  string = ""

  IF (trimmed_len > 0) THEN

    string(trimmed_len:trimmed_len) = "x"

  END IF

  IF (LEN (string) /= full_len &

      .OR. LEN_TRIM (string) /= trimmed_len &

      .OR. LEN (TRIM (string)) /= trimmed_len &

      .OR. TRIM (string) /= string (1:trimmed_len)) THEN

    PRINT *, full_len, trimmed_len

    PRINT *, LEN (string), LEN_TRIM (string)

    CALL abort ()

  END IF

END SUBROUTINE check_trim

! The main program, check with various combinations.

PROGRAM main

  IMPLICIT NONE

  INTEGER :: i, j

  DO i = 0, 20

    DO j = 0, i

      CALL check_trim (i, j)

    END DO

  END DO

END PROGRAM main