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111
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1 ! { dg-do run }
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2
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3 ! Torture-test TRIM and LEN_TRIM for correctness.
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4
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5
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6 ! Given a total string length and a trimmed length, construct an
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7 ! appropriate string and check gfortran gets it right.
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8
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9 SUBROUTINE check_trim (full_len, trimmed_len)
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10 IMPLICIT NONE
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11 INTEGER, INTENT(IN) :: full_len, trimmed_len
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12 CHARACTER(LEN=full_len) :: string
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13
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14 string = ""
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15 IF (trimmed_len > 0) THEN
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16 string(trimmed_len:trimmed_len) = "x"
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17 END IF
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18
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19 IF (LEN (string) /= full_len &
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20 .OR. LEN_TRIM (string) /= trimmed_len &
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21 .OR. LEN (TRIM (string)) /= trimmed_len &
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22 .OR. TRIM (string) /= string (1:trimmed_len)) THEN
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23 PRINT *, full_len, trimmed_len
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24 PRINT *, LEN (string), LEN_TRIM (string)
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131
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25 STOP 1
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111
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26 END IF
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27 END SUBROUTINE check_trim
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28
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29
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30 ! The main program, check with various combinations.
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31
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32 PROGRAM main
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33 IMPLICIT NONE
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34 INTEGER :: i, j
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35
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36 DO i = 0, 20
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37 DO j = 0, i
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38 CALL check_trim (i, j)
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39 END DO
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40 END DO
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41 END PROGRAM main
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