49 lines
1.1 KiB
Fortran
49 lines
1.1 KiB
Fortran
! { dg-do run }
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!
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! Verifying the runtime behavior of the intrinsic function EXTENDS_TYPE_OF.
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!
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! Contributed by Janus Weil <janus@gcc.gnu.org>
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implicit none
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intrinsic :: extends_type_of
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type :: t1
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integer :: i = 42
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end type
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type, extends(t1) :: t2
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integer :: j = 43
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end type
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type, extends(t2) :: t3
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class(t1),pointer :: cc
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end type
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class(t1), pointer :: c1,c2
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type(t1), target :: x
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type(t2), target :: y
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type(t3), target :: z
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c1 => x
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c2 => y
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z%cc => y
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if (.not. extends_type_of (c1, c1)) call abort()
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if ( extends_type_of (c1, c2)) call abort()
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if (.not. extends_type_of (c2, c1)) call abort()
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if (.not. extends_type_of (x, x)) call abort()
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if ( extends_type_of (x, y)) call abort()
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if (.not. extends_type_of (y, x)) call abort()
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if (.not. extends_type_of (c1, x)) call abort()
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if ( extends_type_of (c1, y)) call abort()
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if (.not. extends_type_of (x, c1)) call abort()
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if (.not. extends_type_of (y, c1)) call abort()
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if (.not. extends_type_of (z, c1)) call abort()
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if ( extends_type_of (z%cc, z)) call abort()
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end
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