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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/class_allocate_1.f03
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Diffstat (limited to 'gcc/testsuite/gfortran.dg/class_allocate_1.f03')
-rw-r--r--gcc/testsuite/gfortran.dg/class_allocate_1.f0398
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diff --git a/gcc/testsuite/gfortran.dg/class_allocate_1.f03 b/gcc/testsuite/gfortran.dg/class_allocate_1.f03
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@@ -0,0 +1,98 @@
+! { dg-do run }
+!
+! Allocating CLASS variables.
+!
+! Contributed by Janus Weil <janus@gcc.gnu.org>
+
+ implicit none
+
+ type t1
+ integer :: comp = 5
+ class(t1),pointer :: cc
+ end type
+
+ type, extends(t1) :: t2
+ integer :: j
+ end type
+
+ type, extends(t2) :: t3
+ integer :: k
+ end type
+
+ class(t1),pointer :: cp, cp2
+ type(t2),pointer :: cp3
+ type(t3) :: x
+ integer :: i
+
+
+ ! (1) check that vindex is set correctly (for different cases)
+
+ i = 0
+ allocate(cp)
+ select type (cp)
+ type is (t1)
+ i = 1
+ type is (t2)
+ i = 2
+ type is (t3)
+ i = 3
+ end select
+ deallocate(cp)
+ if (i /= 1) call abort()
+
+ i = 0
+ allocate(t2 :: cp)
+ select type (cp)
+ type is (t1)
+ i = 1
+ type is (t2)
+ i = 2
+ type is (t3)
+ i = 3
+ end select
+ deallocate(cp)
+ if (i /= 2) call abort()
+
+ i = 0
+ allocate(cp, source = x)
+ select type (cp)
+ type is (t1)
+ i = 1
+ type is (t2)
+ i = 2
+ type is (t3)
+ i = 3
+ end select
+ deallocate(cp)
+ if (i /= 3) call abort()
+
+ i = 0
+ allocate(t2 :: cp2)
+ allocate(cp, source = cp2)
+ allocate(t2 :: cp3)
+ allocate(cp, source=cp3)
+ select type (cp)
+ type is (t1)
+ i = 1
+ type is (t2)
+ i = 2
+ type is (t3)
+ i = 3
+ end select
+ deallocate(cp)
+ deallocate(cp2)
+ if (i /= 2) call abort()
+
+
+ ! (2) check initialization (default initialization vs. SOURCE)
+
+ allocate(cp)
+ if (cp%comp /= 5) call abort()
+ deallocate(cp)
+
+ x%comp = 4
+ allocate(cp, source=x)
+ if (cp%comp /= 4) call abort()
+ deallocate(cp)
+
+end