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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/dynamic_dispatch_3.f03
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+! { dg-do run }
+! Tests dynamic dispatch of class functions, spread over
+! different modules. Apart from the location of the derived
+! type declarations, this test is the same as
+! dynamic_dispatch_1.f03
+!
+! Contributed by Paul Thomas <pault@gcc.gnu.org>
+!
+module m1
+ type :: t1
+ integer :: i = 42
+ procedure(make_real), pointer :: ptr
+ contains
+ procedure, pass :: real => make_real
+ procedure, pass :: make_integer
+ procedure, pass :: prod => i_m_j
+ generic, public :: extract => real, make_integer
+ end type t1
+contains
+ real function make_real (arg)
+ class(t1), intent(in) :: arg
+ make_real = real (arg%i)
+ end function make_real
+
+ integer function make_integer (arg, arg2)
+ class(t1), intent(in) :: arg
+ integer :: arg2
+ make_integer = arg%i * arg2
+ end function make_integer
+
+ integer function i_m_j (arg)
+ class(t1), intent(in) :: arg
+ i_m_j = arg%i
+ end function i_m_j
+end module m1
+
+module m2
+ use m1
+ type, extends(t1) :: t2
+ integer :: j = 99
+ contains
+ procedure, pass :: real => make_real2
+ procedure, pass :: make_integer => make_integer_2
+ procedure, pass :: prod => i_m_j_2
+ end type t2
+contains
+ real function make_real2 (arg)
+ class(t2), intent(in) :: arg
+ make_real2 = real (arg%j)
+ end function make_real2
+
+ integer function make_integer_2 (arg, arg2)
+ class(t2), intent(in) :: arg
+ integer :: arg2
+ make_integer_2 = arg%j * arg2
+ end function make_integer_2
+
+ integer function i_m_j_2 (arg)
+ class(t2), intent(in) :: arg
+ i_m_j_2 = arg%j
+ end function i_m_j_2
+end module m2
+
+ use m1
+ use m2
+ type, extends(t1) :: l1
+ character(16) :: chr
+ end type l1
+ class(t1), pointer :: a !=> NULL()
+ type(t1), target :: b
+ type(t2), target :: c
+ type(l1), target :: d
+ a => b ! declared type in module m1
+ if (a%real() .ne. real (42)) call abort
+ if (a%prod() .ne. 42) call abort
+ if (a%extract (2) .ne. 84) call abort
+ a => c ! extension in module m2
+ if (a%real() .ne. real (99)) call abort
+ if (a%prod() .ne. 99) call abort
+ if (a%extract (3) .ne. 297) call abort
+ a => d ! extension in main
+ if (a%real() .ne. real (42)) call abort
+ if (a%prod() .ne. 42) call abort
+ if (a%extract (4) .ne. 168) call abort
+end
+! { dg-final { cleanup-modules "m1, m2" } }