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module class_84_mod
implicit none
type :: string_t
character(len=:), allocatable :: s
end type
type :: temp
type(string_t), allocatable :: strs(:)
end type
type :: dependency_config_t
type(temp), allocatable :: arr(:)
end type dependency_config_t
type, extends(dependency_config_t) :: dependency_node_t
end type dependency_node_t
end module class_84_mod
program class_84
use class_84_mod
implicit none
type(dependency_node_t), allocatable :: a, b
!-------------------------
! Allocate scalars
!-------------------------
allocate(a, b)
!-------------------------
! Initialize 'a'
!-------------------------
allocate(a%arr(2))
allocate(a%arr(1)%strs(2))
allocate(character(len=5) :: a%arr(1)%strs(1)%s)
allocate(character(len=3) :: a%arr(1)%strs(2)%s)
a%arr(1)%strs(1)%s = "hello"
a%arr(1)%strs(2)%s = "abc"
allocate(a%arr(2)%strs(1))
allocate(character(len=4) :: a%arr(2)%strs(1)%s)
a%arr(2)%strs(1)%s = "test"
!-------------------------
! Assignment under test
!-------------------------
b = a
!-------------------------
! Validation: allocation
!-------------------------
if (.not. allocated(b%arr)) error stop "b%arr not allocated"
if (size(b%arr) /= 2) error stop "b%arr wrong size"
if (.not. allocated(b%arr(1)%strs)) error stop "b%arr(1)%strs not allocated"
if (size(b%arr(1)%strs) /= 2) error stop "b%arr(1)%strs wrong size"
if (.not. allocated(b%arr(1)%strs(1)%s)) error stop "string not allocated"
if (len(b%arr(1)%strs(1)%s) /= 5) error stop "string length mismatch"
!-------------------------
! Validation: values
!-------------------------
if (b%arr(1)%strs(1)%s /= "hello") error stop "value copy failed"
if (b%arr(1)%strs(2)%s /= "abc") error stop "value copy failed"
if (b%arr(2)%strs(1)%s /= "test") error stop "value copy failed"
!-------------------------
! Validation: deep copy
!-------------------------
a%arr(1)%strs(1)%s = "xxxxx"
if (b%arr(1)%strs(1)%s == "xxxxx") error stop "shallow copy detected"
print *, "OK: extended-type allocatable assignment is correct"
end program class_84
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