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Diffstat (limited to 'gcc/testsuite/gfortran.dg/char_length_5.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/char_length_5.f90 | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/char_length_5.f90 b/gcc/testsuite/gfortran.dg/char_length_5.f90 new file mode 100644 index 000000000..03a4d8560 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/char_length_5.f90 @@ -0,0 +1,61 @@ +! { dg-do run } +! Tests the fix for PR31867, in which the interface evaluation +! of the character length of 'join' (ie. the length available in +! the caller) was wrong. +! +! Contributed by <beliavsky@aol.com> +! +module util_mod + implicit none +contains + function join (words, sep) result(str) + character (len=*), intent(in) :: words(:),sep + character (len = (size (words) - 1) * len_trim (sep) + & + sum (len_trim (words))) :: str + integer :: i,nw + nw = size (words) + str = "" + if (nw < 1) then + return + else + str = words(1) + end if + do i=2,nw + str = trim (str) // trim (sep) // words(i) + end do + end function join +end module util_mod +! +program xjoin + use util_mod, only: join + implicit none + integer yy + character (len=5) :: words(5:8) = (/"two ","three","four ","five "/), sep = "^#^" + character (len=5) :: words2(4) = (/"bat ","ball ","goal ","stump"/), sep2 = "&" + + if (join (words, sep) .ne. "two^#^three^#^four^#^five") call abort () + if (len (join (words, sep)) .ne. 25) call abort () + + if (join (words(5:6), sep) .ne. "two^#^three") call abort () + if (len (join (words(5:6), sep)) .ne. 11) call abort () + + if (join (words(7:8), sep) .ne. "four^#^five") call abort () + if (len (join (words(7:8), sep)) .ne. 11) call abort () + + if (join (words(5:7:2), sep) .ne. "two^#^four") call abort () + if (len (join (words(5:7:2), sep)) .ne. 10) call abort () + + if (join (words(6:8:2), sep) .ne. "three^#^five") call abort () + if (len (join (words(6:8:2), sep)) .ne. 12) call abort () + + if (join (words2, sep2) .ne. "bat&ball&goal&stump") call abort () + if (len (join (words2, sep2)) .ne. 19) call abort () + + if (join (words2(1:2), sep2) .ne. "bat&ball") call abort () + if (len (join (words2(1:2), sep2)) .ne. 8) call abort () + + if (join (words2(2:4:2), sep2) .ne. "ball&stump") call abort () + if (len (join (words2(2:4:2), sep2)) .ne. 10) call abort () + +end program xjoin +! { dg-final { cleanup-modules "util_mod" } } |