{
my
%handles
= (
count
=>
'count'
,
elements
=>
'elements'
,
is_empty
=>
'is_empty'
,
push
=>
'push'
,
push_curried
=>
[
push
=> 42, 84 ],
unshift
=>
'unshift'
,
unshift_curried
=>
[
unshift
=> 42, 84 ],
pop
=>
'pop'
,
shift
=>
'shift'
,
get
=>
'get'
,
get_curried
=> [
get
=> 1 ],
set
=>
'set'
,
set_curried_1
=> [
set
=> 1 ],
set_curried_2
=> [
set
=> ( 1, 98 ) ],
accessor
=>
'accessor'
,
accessor_curried_1
=> [
accessor
=> 1 ],
accessor_curried_2
=> [
accessor
=> ( 1, 90 ) ],
clear
=>
'clear'
,
delete
=>
'delete'
,
delete_curried
=> [
delete
=> 1 ],
insert
=>
'insert'
,
insert_curried
=> [
insert
=> ( 1, 101 ) ],
splice
=>
'splice'
,
splice_curried_1
=> [
splice
=> 1 ],
splice_curried_2
=> [
splice
=> 1, 2 ],
splice_curried_all
=> [
splice
=> 1, 2, ( 3, 4, 5 ) ],
sort
=>
'sort'
,
sort_curried
=> [
sort
=> (
sub
{
$_
[1] <=>
$_
[0] } ) ],
sort_in_place
=>
'sort_in_place'
,
sort_in_place_curried
=>
[
sort_in_place
=> (
sub
{
$_
[1] <=>
$_
[0] } ) ],
map
=>
'map'
,
map_curried
=> [
map
=> (
sub
{
$_
+ 1 } ) ],
grep
=>
'grep'
,
grep_curried
=> [
grep
=> (
sub
{
$_
< 5 } ) ],
first
=>
'first'
,
first_curried
=> [
first
=> (
sub
{
$_
% 2 } ) ],
first_index
=>
'first_index'
,
first_index_curried
=> [
first_index
=> (
sub
{
$_
% 2 } ) ],
join
=>
'join'
,
join_curried
=> [
join
=>
'-'
],
shuffle
=>
'shuffle'
,
uniq
=>
'uniq'
,
reduce
=>
'reduce'
,
reduce_curried
=> [
reduce
=> (
sub
{
$_
[0] *
$_
[1] } ) ],
natatime
=>
'natatime'
,
natatime_curried
=> [
natatime
=> 2 ],
);
my
$name
=
'Foo1'
;
sub
build_class {
my
%attr
=
@_
;
my
%handles_copy
=
%handles
;
my
$class
= ++
$name
;
my
@traits
=
'Array'
;
eval
qq{
package $class;
use Moose;
use Sub::HandlesVia;
has _values => (
traits => [\@traits],
is => 'rw',
isa => 'ArrayRef[Int]',
default => sub { [] }
,
handles
=> \\
%handles_copy
,
clearer
=>
'_clear_values'
,
%attr
,
);
sub
class_is_lazy { \
$attr
{lazy} }
1;
} or
die
($@);
return
(
$class
, \
%handles
);
}
}
{
'&{}'
=>
sub
{ ${
$_
[0] } },
bool
=>
sub
{1};
sub
new {
bless
\
$_
[1],
$_
[0];
}
}
{
q{""}
=>
sub
{ ${
$_
[0] } },
fallback
=> 1;
sub
new {
my
$class
=
shift
;
my
$str
=
shift
;
return
bless
\
$str
,
$class
;
}
}
{
q{0+}
=>
sub
{ ${
$_
[0] } },
fallback
=> 1;
sub
new {
my
$class
=
shift
;
my
$str
=
shift
;
return
bless
\
$str
,
$class
;
}
}
{
subtest(
'simple case'
,
sub
{ run_tests(build_class) } );
subtest(
'lazy default attr'
,
sub
{
run_tests(
build_class(
lazy
=> 1,
default
=>
sub
{ [ 42, 84 ] } ) );
}
);
subtest(
'attr with trigger'
,
sub
{
run_tests( build_class(
trigger
=>
sub
{ } ) );
}
);
subtest(
'attr is not inlined'
,
sub
{ run_tests( build_class(
no_inline
=> 1 ) ) }
);
type
'MyArray'
, as
'ArrayRef'
, where { 1 };
subtest(
'attr type forces the inlining code to check the entire arrayref when it is modified'
,
sub
{
run_tests( build_class(
isa
=>
'MyArray'
) );
}
);
coerce
'MyArray'
, from
'ArrayRef'
, via {
$_
};
subtest(
'attr type has coercion'
,
sub
{
run_tests( build_class(
isa
=>
'MyArray'
,
coerce
=> 1 ) );
}
);
}
subtest(
'setting value to undef with accessor'
,
sub
{
my
(
$class
,
$handles
) = build_class(
isa
=>
'ArrayRef'
);
note
"Testing class $class"
;
my
$obj
=
$class
->new;
with_immutable {
is(
exception {
$obj
->accessor( 0,
undef
) },
undef
,
'can use accessor to set value to undef'
);
is(
exception {
$obj
->accessor_curried_1(
undef
) },
undef
,
'can use curried accessor to set value to undef'
);
}
$class
;
}
);
sub
run_tests {
my
(
$class
,
$handles
) =
@_
;
can_ok(
$class
,
$_
)
for
sort
keys
%{
$handles
};
with_immutable {
my
$obj
=
$class
->new(
_values
=> [ 10, 12, 42 ] );
is_deeply(
$obj
->_values, [ 10, 12, 42 ],
'values can be set in constructor'
);
ok( !
$obj
->is_empty,
'values is not empty'
);
is(
$obj
->count, 3,
'count returns 3'
);
like( exception {
$obj
->count(22) },
qr/number of parameters/
,
'throws an error when passing an argument passed to count'
);
is( exception {
$obj
->
push
( 1, 2, 3 ) },
undef
,
'pushed three new values and lived'
);
is( exception {
$obj
->
push
() },
undef
,
'call to push without arguments lives'
);
is( exception {
is(
$obj
->
unshift
( 101, 22 ), 8,
'unshift returns size of the new array'
);
},
undef
,
'unshifted two values and lived'
);
is_deeply(
$obj
->_values, [ 101, 22, 10, 12, 42, 1, 2, 3 ],
'unshift changed the value of the array in the object'
);
is( exception {
$obj
->
unshift
() },
undef
,
'call to unshift without arguments lives'
);
is(
$obj
->
pop
, 3,
'pop returns the last value in the array'
);
is_deeply(
$obj
->_values, [ 101, 22, 10, 12, 42, 1, 2 ],
'pop changed the value of the array in the object'
);
like( exception {
$obj
->
pop
(42) },
qr/number of parameters/
,
'call to pop with arguments dies'
);
is(
$obj
->
shift
, 101,
'shift returns the first value'
);
like( exception {
$obj
->
shift
(42) },
qr/number of parameters/
,
'call to shift with arguments dies'
);
is_deeply(
$obj
->_values, [ 22, 10, 12, 42, 1, 2 ],
'shift changed the value of the array in the object'
);
is_deeply(
[
$obj
->elements ], [ 22, 10, 12, 42, 1, 2 ],
'call to elements returns values as a list'
);
is(
scalar
(
$obj
->elements), 6,
'elements accessor in scalar context returns the number of elements in the list'
);
like( exception {
$obj
->elements(22) },
qr/number of parameters/
,
'throws an error when passing an argument passed to elements'
);
$obj
->_values( [ 1, 2, 3 ] );
is(
$obj
->get(0), 1,
'get values at index 0'
);
is(
$obj
->get(1), 2,
'get values at index 1'
);
is(
$obj
->get(2), 3,
'get values at index 2'
);
is(
$obj
->get_curried, 2,
'get_curried returns value at index 1'
);
like( exception {
$obj
->get() },
qr/number of parameters/
,
'throws an error when get is called without any arguments'
);
like( exception {
$obj
->get( {} ) },
qr/did not pass type constraint/
,
'throws an error when get is called with an invalid argument'
);
like( exception {
$obj
->get(2.2) },
qr/did not pass type constraint/
,
'throws an error when get is called with an invalid argument'
);
like( exception {
$obj
->get(
'foo'
) },
qr/did not pass type constraint/
,
'throws an error when get is called with an invalid argument'
);
like( exception {
$obj
->get_curried(2) },
qr/number of parameters/
,
'throws an error when get_curried is called with an argument'
);
is( exception {
is(
$obj
->set( 1, 100 ), 100,
'set returns new value'
);
},
undef
,
'set value at index 1 lives'
);
is(
$obj
->get(1), 100,
'get value at index 1 returns new value'
);
like( exception {
$obj
->set( 1, 99, 42 ) },
qr/number of parameters/
,
'throws an error when set is called with three arguments'
);
is( exception {
$obj
->set_curried_1(99) },
undef
,
'set_curried_1 lives'
);
is(
$obj
->get(1), 99,
'get value at index 1 returns new value'
);
like( exception {
$obj
->set_curried_1( 99, 42 ) },
qr/number of parameters/
,
'throws an error when set_curried_1 is called with two arguments'
);
is( exception {
$obj
->set_curried_2 },
undef
,
'set_curried_2 lives'
);
is(
$obj
->get(1), 98,
'get value at index 1 returns new value'
);
like( exception {
$obj
->set_curried_2(42) },
qr/number of parameters/
,
'throws an error when set_curried_2 is called with one argument'
);
is(
$obj
->accessor(1), 98,
'accessor with one argument returns value at index 1'
);
is( exception {
is(
$obj
->accessor(
1
=> 97 ), 97,
'accessor returns new value'
);
},
undef
,
'accessor as writer lives'
);
like(
exception {
$obj
->accessor;
},
qr/number of parameters/
,
'throws an error when accessor is called without arguments'
);
is(
$obj
->get(1), 97,
'accessor set value at index 1'
);
like( exception {
$obj
->accessor( 1, 96, 42 ) },
qr/number of parameters/
,
'throws an error when accessor is called with three arguments'
);
is(
$obj
->accessor_curried_1, 97,
'accessor_curried_1 returns expected value when called with no arguments'
);
is( exception {
$obj
->accessor_curried_1(95) },
undef
,
'accessor_curried_1 as writer lives'
);
is(
$obj
->get(1), 95,
'accessor_curried_1 set value at index 1'
);
like( exception {
$obj
->accessor_curried_1( 96, 42 ) },
qr/number of parameters/
,
'throws an error when accessor_curried_1 is called with two arguments'
);
is( exception {
$obj
->accessor_curried_2 },
undef
,
'accessor_curried_2 as writer lives'
);
is(
$obj
->get(1), 90,
'accessor_curried_2 set value at index 1'
);
like( exception {
$obj
->accessor_curried_2(42) },
qr/number of parameters/
,
'throws an error when accessor_curried_2 is called with one argument'
);
is( exception {
$obj
->clear },
undef
,
'clear lives'
);
ok(
$obj
->is_empty,
'values is empty after call to clear'
);
is( exception {
is(
$obj
->
shift
,
undef
,
'shift returns undef on an empty array'
);
},
undef
,
'shifted from an empty array and lived'
);
$obj
->set(
0
=> 42 );
like( exception {
$obj
->clear(50) },
qr/number of parameters/
,
'throws an error when clear is called with an argument'
);
ok(
!
$obj
->is_empty,
'values is not empty after failed call to clear'
);
like( exception {
$obj
->is_empty(50) },
qr/number of parameters/
,
'throws an error when is_empty is called with an argument'
);
$obj
->clear;
is(
$obj
->
push
( 1, 5, 10, 42 ), 4,
'pushed 4 elements, got number of elements in the array back'
);
is( exception {
is(
$obj
->
delete
(2), 10,
'delete returns deleted value'
);
},
undef
,
'delete lives'
);
is_deeply(
$obj
->_values, [ 1, 5, 42 ],
'delete removed the specified element'
);
like( exception {
$obj
->
delete
( 2, 3 ) },
qr/number of parameters/
,
'throws an error when delete is called with two arguments'
);
is( exception {
$obj
->delete_curried },
undef
,
'delete_curried lives'
);
is_deeply(
$obj
->_values, [ 1, 42 ],
'delete removed the specified element'
);
like( exception {
$obj
->delete_curried(2) },
qr/number of parameters/
,
'throws an error when delete_curried is called with one argument'
);
is( exception {
$obj
->insert( 1, 21 ) },
undef
,
'insert lives'
);
is_deeply(
$obj
->_values, [ 1, 21, 42 ],
'insert added the specified element'
);
like( exception {
$obj
->insert( 1, 22, 44 ) },
qr/number of parameters/
,
'throws an error when insert is called with three arguments'
);
is( exception {
is_deeply(
[
$obj
->
splice
( 1, 0, 2, 3 ) ],
[],
'return value of splice is empty list when not removing elements'
);
},
undef
,
'splice lives'
);
is_deeply(
$obj
->_values, [ 1, 2, 3, 21, 42 ],
'splice added the specified elements'
);
is( exception {
is_deeply(
[
$obj
->
splice
( 1, 2, 99 ) ],
[ 2, 3 ],
'splice returns list of removed values'
);
},
undef
,
'splice lives'
);
is_deeply(
$obj
->_values, [ 1, 99, 21, 42 ],
'splice added the specified elements'
);
like( exception {
$obj
->
splice
() },
qr/number of parameters/
,
'throws an error when splice is called with no arguments'
);
like( exception {
$obj
->
splice
( 1,
'foo'
, ) },
qr/did not pass type constraint/
,
'throws an error when splice is called with an invalid length'
);
is( exception {
$obj
->splice_curried_1( 2, 101 ) },
undef
,
'splice_curried_1 lives'
);
is_deeply(
$obj
->_values, [ 1, 101, 42 ],
'splice added the specified elements'
);
is( exception {
$obj
->splice_curried_2(102) },
undef
,
'splice_curried_2 lives'
);
is_deeply(
$obj
->_values, [ 1, 102 ],
'splice added the specified elements'
);
is( exception {
$obj
->splice_curried_all },
undef
,
'splice_curried_all lives'
);
is_deeply(
$obj
->_values, [ 1, 3, 4, 5 ],
'splice added the specified elements'
);
is_deeply(
scalar
$obj
->
splice
( 1, 2 ),
4,
'splice in scalar context returns last element removed'
);
is_deeply(
scalar
$obj
->
splice
( 1, 0, 42 ),
undef
,
'splice in scalar context returns undef when no elements are removed'
);
$obj
->_values( [ 3, 9, 5, 22, 11 ] );
is_deeply(
[
$obj
->
sort
], [ 11, 22, 3, 5, 9 ],
'sort returns sorted values'
);
is(
scalar
(
$obj
->
sort
), 5,
'sort accessor in scalar context returns the number of elements in the list'
);
is_deeply(
[
$obj
->
sort
(
sub
{
$_
[0] <=>
$_
[1] } ) ], [ 3, 5, 9, 11, 22 ],
'sort returns values sorted by provided function'
);
is(
scalar
(
$obj
->
sort
(
sub
{
$_
[0] <=>
$_
[1] } )), 5,
'sort accessor with sort sub in scalar context returns the number of elements in the list'
);
like( exception {
$obj
->
sort
(1) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to sort'
);
like( exception {
$obj
->
sort
(
sub
{ }, 27 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to sort'
);
$obj
->_values( [ 3, 9, 5, 22, 11 ] );
$obj
->sort_in_place;
is_deeply(
$obj
->_values, [ 11, 22, 3, 5, 9 ],
'sort_in_place sorts values'
);
$obj
->sort_in_place(
sub
{
$_
[0] <=>
$_
[1] } );
is_deeply(
$obj
->_values, [ 3, 5, 9, 11, 22 ],
'sort_in_place with function sorts values'
);
like( exception {
$obj
->sort_in_place( 27 );
},
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to sort_in_place'
);
like( exception {
$obj
->sort_in_place(
sub
{ }, 27 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to sort_in_place'
);
$obj
->_values( [ 3, 9, 5, 22, 11 ] );
$obj
->sort_in_place_curried;
is_deeply(
$obj
->_values, [ 22, 11, 9, 5, 3 ],
'sort_in_place_curried sorts values'
);
like( exception {
$obj
->sort_in_place_curried(27) },
qr/number of parameters/
,
'throws an error when passing one argument passed to sort_in_place_curried'
);
$obj
->_values( [ 1 .. 5 ] );
is_deeply(
[
$obj
->
map
(
sub
{
$_
+ 1 } ) ],
[ 2 .. 6 ],
'map returns the expected values'
);
like( exception {
$obj
->
map
},
qr/number of parameters/
,
'throws an error when passing no arguments to map'
);
like( exception {
$obj
->
map
(
sub
{ }, 2 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to map'
);
like( exception {
$obj
->
map
( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to map'
);
$obj
->_values( [ 1 .. 5 ] );
is_deeply(
[
$obj
->map_curried ],
[ 2 .. 6 ],
'map_curried returns the expected values'
);
like( exception {
$obj
->map_curried(
sub
{ } );
},
qr/number of parameters/
,
'throws an error when passing one argument passed to map_curried'
);
$obj
->_values( [ 2 .. 9 ] );
is_deeply(
[
$obj
->
grep
(
sub
{
$_
< 5 } ) ],
[ 2 .. 4 ],
'grep returns the expected values'
);
like( exception {
$obj
->
grep
},
qr/number of parameters/
,
'throws an error when passing no arguments to grep'
);
like( exception {
$obj
->
grep
(
sub
{ }, 2 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to grep'
);
like( exception {
$obj
->
grep
( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to grep'
);
is_deeply(
[
$obj
->grep_curried ],
[ 2 .. 4 ],
'grep_curried returns the expected values'
);
like( exception {
$obj
->grep_curried(
sub
{ } );
},
qr/number of parameters/
,
'throws an error when passing one argument passed to grep_curried'
);
$obj
->_values( [ 2, 4, 22, 99, 101, 6 ] );
is(
$obj
->first(
sub
{
$_
% 2 } ),
99,
'first returns expected value'
);
like( exception {
$obj
->first },
qr/number of parameters/
,
'throws an error when passing no arguments to first'
);
like( exception {
$obj
->first(
sub
{ }, 2 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to first'
);
like( exception {
$obj
->first( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to first'
);
is(
$obj
->first_curried,
99,
'first_curried returns expected value'
);
like( exception {
$obj
->first_curried(
sub
{ } );
},
qr/number of parameters/
,
'throws an error when passing one argument passed to first_curried'
);
is(
$obj
->first_index(
sub
{
$_
% 2 } ),
3,
'first_index returns expected value'
);
like( exception {
$obj
->first_index },
qr/number of parameters/
,
'throws an error when passing no arguments to first_index'
);
like( exception {
$obj
->first_index(
sub
{ }, 2 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to first_index'
);
like( exception {
$obj
->first_index( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to first_index'
);
is(
$obj
->first_index_curried,
3,
'first_index_curried returns expected value'
);
like( exception {
$obj
->first_index_curried(
sub
{ } );
},
qr/number of parameters/
,
'throws an error when passing one argument passed to first_index_curried'
);
$obj
->_values( [ 1 .. 4 ] );
is(
$obj
->
join
(
'-'
),
'1-2-3-4'
,
'join returns expected result'
);
is(
$obj
->
join
(
q{}
),
'1234'
,
'join returns expected result when joining with empty string'
);
is(
$obj
->
join
(0),
'1020304'
,
'join returns expected result when joining with 0 as number'
);
is(
$obj
->
join
(
"0"
),
'1020304'
,
'join returns expected result when joining with 0 as string'
);
like( exception {
$obj
->
join
(
'-'
, 2 ) },
qr/number of parameters/
,
'throws an error when passing two arguments to join'
);
like( exception {
$obj
->
join
( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non string to join'
);
is_deeply(
[
sort
$obj
->shuffle ],
[ 1 .. 4 ],
'shuffle returns all values (cannot check for a random order)'
);
like( exception {
$obj
->shuffle(2) },
qr/number of parameters/
,
'throws an error when passing an argument passed to shuffle'
);
$obj
->_values( [ 1 .. 4, 2, 5, 3, 7, 3, 3, 1 ] );
is_deeply(
[
$obj
->uniq ],
[ 1 .. 4, 5, 7 ],
'uniq returns expected values (in original order)'
);
like( exception {
$obj
->uniq(2) },
qr/number of parameters/
,
'throws an error when passing an argument passed to uniq'
);
$obj
->_values( [ 1 .. 5 ] );
is(
$obj
->reduce(
sub
{
$_
[0] *
$_
[1] } ),
120,
'reduce returns expected value'
);
like( exception {
$obj
->reduce },
qr/number of parameters/
,
'throws an error when passing no arguments to reduce'
);
like( exception {
$obj
->reduce(
sub
{ }, 2 );
},
qr/number of parameters/
,
'throws an error when passing two arguments to reduce'
);
like( exception {
$obj
->reduce( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non coderef to reduce'
);
is(
$obj
->reduce_curried,
120,
'reduce_curried returns expected value'
);
like( exception {
$obj
->reduce_curried(
sub
{ } );
},
qr/number of parameters/
,
'throws an error when passing one argument passed to reduce_curried'
);
$obj
->_values( [ 1 .. 6 ] );
my
$it
=
$obj
->natatime(2);
my
@nat
;
while
(
my
@v
=
$it
->() ) {
push
@nat
, \
@v
;
}
is_deeply(
[ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ] ],
\
@nat
,
'natatime returns expected iterator'
) or diag(explain(\
@nat
));
@nat
= ();
$obj
->natatime( 2,
sub
{
push
@nat
, [
@_
] } );
is_deeply(
[ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ] ],
\
@nat
,
'natatime with function returns expected value'
);
like( exception {
$obj
->natatime( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non integer to natatime'
);
like( exception {
$obj
->natatime( 2, {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non code ref to natatime'
);
$it
=
$obj
->natatime_curried();
@nat
= ();
while
(
my
@v
=
$it
->() ) {
push
@nat
, \
@v
;
}
is_deeply(
[ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ] ],
\
@nat
,
'natatime_curried returns expected iterator'
);
@nat
= ();
$obj
->natatime_curried(
sub
{
push
@nat
, [
@_
] } );
is_deeply(
[ [ 1, 2 ], [ 3, 4 ], [ 5, 6 ] ],
\
@nat
,
'natatime_curried with function returns expected value'
);
like( exception {
$obj
->natatime_curried( {} ) },
qr/did not pass type constraint/
,
'throws an error when passing a non code ref to natatime_curried'
);
if
(
$class
->meta->get_attribute(
'_values'
)->is_lazy ) {
my
$obj
=
$class
->new;
is(
$obj
->count, 2,
'count is 2 (lazy init)'
);
$obj
->_clear_values;
is_deeply(
[
$obj
->elements ], [ 42, 84 ],
'elements contains default with lazy init'
);
$obj
->_clear_values;
$obj
->
push
(2);
is_deeply(
$obj
->_values, [ 42, 84, 2 ],
'push works with lazy init'
);
$obj
->_clear_values;
$obj
->
unshift
( 3, 4 );
is_deeply(
$obj
->_values, [ 3, 4, 42, 84 ],
'unshift works with lazy init'
);
}
}
$class
;
}
done_testing;