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use v6;
use Test;
plan 76;
# L<S09/Typed arrays/>
{
my Int @x;
ok @x.VAR.of === Int, '@x.VAR.of of typed array (my Int @x)';
# RT #77748
ok @x.WHAT.gist ~~ /Array/, '.WHAT.gist of the type object makes sense';
lives-ok { @x = 1, 2, 3 }, 'can assign values of the right type';
lives-ok { @x = 1..3 }, 'can assign range of the right type';
lives-ok { @x.push: 3, 4}, 'can push values of the right type';
lives-ok { @x.unshift: 3}, 'can unshift values of the right type';
lives-ok { @x[0, 2] = 2, 3}, 'can assign values to a slice';
@x = 2, 3, 4;
is @x.pop, 4, 'can pop from typed array';
is @x.unshift(2), [2, 2, 3], 'can unshift from typed array';
} #9
{
my Int @x;
ok @x.VAR.of === Int, '@x.VAR.of of typed array (my Int @x)';
lives-ok { @x = 1, 2, 3 }, 'can assign values of the right type (Int @x)';
lives-ok { @x = 1..3 }, 'can assign range of the right type (Int @x)';
lives-ok { @x.push: 3, 4}, 'can push values of the right type (Int @x)';
lives-ok { @x.unshift: 3}, 'can unshift values of the right type (Int @x)';
lives-ok { @x[0, 2] = 2, 3}, 'can assign values to a slice (Int @x)';
@x = 2, 3, 4;
is @x.pop, 4, 'can pop from typed array (Int @x)';
is @x.unshift(1), [1, 2, 3], 'can unshift from typed array (Int @x)';
} #8
# initialization
{
lives-ok { my Int @x = 1, 2, 3 }, 'initialization of typed array';
lives-ok { my Int @x = 1 .. 3 }, 'initialization of typed array from range';
} #2
{
my @x of Int;
ok @x.VAR.of === Int, '@x.VAR.of of typed array (my @x of Int)';
lives-ok { @x = 1, 2, 3 }, 'can assign values of the right type (@x of Int)';
lives-ok { @x = 1..3 }, 'can assign range of the right type (@x of Int)';
lives-ok { @x.push: 3, 4}, 'can push values of the right type (@x of Int)';
lives-ok { @x.unshift: 3}, 'can unshift values of the right type (@x of Int)';
lives-ok { @x[0, 2] = 2, 3}, 'can assign values to a slice (@x of Int)';
@x = 2, 3, 4;
is @x.pop, 4, 'can pop from typed array (@x of Int)';
ok @x.unshift, 'can unshift from typed array (@x of Int)';
} #8
{
my Array @x;
ok @x.VAR.of === Array, '@x.VAR.of of typed array (my Array @x)';
dies-ok { @x = 1, 2, 3 }, 'can not assign values of the wrong type';
dies-ok { @x = 1..3 }, 'can not assign range of the wrong type';
dies-ok { @x.push: 3, 4}, 'can not push values of the wrong type';
dies-ok { @x.unshift: 3}, 'can not unshift values of the wrong type';
dies-ok { @x[0, 2] = 2, 3},
'can not assign values of wrong type to a slice';
lives-ok { @x = [1, 2], [3, 4] },
'... but assigning values of the right type is OK';
} #7
{
my @x of Array;
ok @x.VAR.of === Array, '@x.VAR.of of typed array (my @x of Array)';
dies-ok { @x = 1, 2, 3 }, 'can not assign values of the wrong type';
dies-ok { @x = 1..3 }, 'can not assign range of the wrong type';
dies-ok { @x.push: 3, 4}, 'can not push values of the wrong type';
dies-ok { @x.unshift: 3}, 'can not unshift values of the wrong type';
dies-ok { @x[0, 2] = 2, 3},
'can not assign values of wrong type to a slice';
lives-ok { @x = [1, 2], [3, 4] },
'... but assigning values of the right type is OK';
} #7
{
my Array of Int @x;
ok @x.VAR.of === Array[Int], 'my Array of Int @x declares a nested array';
#?rakudo skip "nested typechecks are borked"
lives-ok { @x = [2, 3], [5, 6] }, 'assignment works';
#?rakudo todo "nested typechecks are borked"
lives-ok { @x.push: [8, 9] }, 'pushing works';
dies-ok { @x.push: 8 }, 'type constraint is enforced';
lives-ok { @x[0].push: 3 }, 'pushing to the inner array is OK';
#?rakudo todo "nested typechecks are borked"
dies-ok { @x[0].push: 'foo' }, 'inner array enforces the type constraint';
} #6
# test that lists/arrays returned from array methods are typed as well
{
my Int @a = 1, 2, 3;
my Int @b;
lives-ok { @b = @a }, 'can assign typed array to typed array';
#?rakudo todo 'need parameterized Lists'
ok @a.values.VAR.of.WHICH eqv Int.WHICH, '@a.values is typed (1)';
lives-ok { @b = @a.values }, '@a.values is typed (2)';
} #3
#?rakudo todo 'initialization RT #124676'
{
my Str @c = <foo bar baz>;
ok @c.keys.VAR.of.WHICH eqv Str.WHICH, '@array.keys is typed with Str';
} #1
# test that we can have parametric array return types
{
sub ret_pos_1 returns Positional of Int { my Int @a = 1,2,3; return @a; }
sub ret_pos_2 returns Positional of Int { my Int @a = 1,2,3; @a }
sub ret_pos_3 returns Positional of Int { my @a = 1,2,3; return @a; }
sub ret_pos_4 returns Positional of Int { my @a = 1,2,3; @a }
sub ret_pos_5 returns Positional of Int { my Num @a = 1,2,3; return @a; }
sub ret_pos_6 returns Positional of Int { my Num @a = 1,2,3; @a }
sub ret_pos_7 returns Positional of Numeric { my Int @a = 1,2,3; return @a; }
sub ret_pos_8 returns Positional of Numeric { my Int @a = 1,2,3; @a }
lives-ok { ret_pos_1() },
'type check Positional of Int allows correctly typed array to be returned explicitly';
lives-ok { ret_pos_2() },
'type check Positional of Int allows correctly typed array to be returned implicitly';
dies-ok { ret_pos_3() },
'type check Positional of Int prevents untyped array to be returned explicitly';
dies-ok { ret_pos_4() },
'type check Positional of Int prevents untyped array to be returned implicitly';
dies-ok { ret_pos_5() },
'type check Positional of Int prevents incorrectly typed array to be returned explicitly';
dies-ok { ret_pos_6() },
'type check Positional of Int prevents incorrectly typed array to be returned implicitly';
lives-ok { ret_pos_7() },
'type check Positional of Num allows subtyped Int array to be returned explicitly';
lives-ok { ret_pos_8() },
'type check Positional of Num allows subtyped Int array to be returned implicitly';
} #8
# RT #69482
#?rakudo skip 'type on our-variables RT #124677'
{
our Int @a1;
our @a2;
lives-ok { @a2[0] = 'string' },
'Can assign to untyped package array in presence of typed array';
} #1
# RT #71958
{
class RT71958 {
has @.rt71958 is rw;
}
my Int @typed_array;
lives-ok { RT71958.new().rt71958[0] = RT71958.new() },
'can assign to untyped array in presence of typed array';
} #1
# RT #114968
{
throws-like 'my Int @a = "ab", "cd"', X::TypeCheck::Assignment,
'typed arrays do check type during list assignment';
}
# RT #119061
{
my Int @a;
throws-like { @a[@a.elems] = "a"; }, X::TypeCheck::Assignment,
'assignment checks for types';
}
# RT #125428
{
subset Y of Int where 1..10;
my Y @x;
@x.push: 10;
throws-like '@x[0]++', X::TypeCheck,
'pushed value to typed array (using "subset") is type checked';
}
{
my Int @a; @a[2] = 42;
my @b := @a.perl.EVAL;
is @b.of, Int, 'does the roundtrip preserve typedness';
is @a, @b, 'do typed arrays with empty elements roundtrip';
}
# RT #66892
{
sub foo(--> Array of Str) {
my Str @a = <foo bar baz>;
@a
};
lives-ok { foo() }, 'Array of Str works as return constraint';
ok foo().of === Str, 'Get back the typed array correctly (1)';
is foo(), Array[Str].new('foo', 'bar', 'baz'),
'Get back the typed array correctly (2)';
}
# RT #120506
{
my @RT120506-bind := Array[Array[Bool]].new($(Array[Bool].new(True, False, True)), $(Array[Bool].new(True)));
#?rakudo todo 'unexpectedly getting array Array[Bool].new'
is-deeply @RT120506-bind[0, 1]».Parcel, ((True, False, True), (True,)),
"Can feed Arrays of Type to .new of Array[Array[Type]] (binding)";
is @RT120506-bind[0].WHAT, Array[Bool], "Type is maintained (binding)";
my Array of Bool @RT120506-assign .= new($(Array[Bool].new(True, False, True)), $(Array[Bool].new(True)));
#?rakudo todo 'unexpectedly getting array Array[Bool].new'
is-deeply @RT120506-assign[0, 1]».Parcel, ((True, False, True), (True,)),
"Can feed Arrays of Type to .new of Array[Array[Type]] (assignment)";
is @RT120506-assign[0].WHAT, Array[Bool], "Type is maintained (assignment)";
}
# RT #121804
{
sub RT121804 returns Array of Hash {
my %a1 = :x<y>, :y<z>, :w<c>;
my %a2 =:x<y>, :y<t>, :w<c>;
my %a3 = :x<y>, :y<z>, :w<h>;
my Hash @array1 = $%a1, $%a2, $%a3;
}
is-deeply RT121804, Array[Hash].new({:x<y>, :y<z>, :w<c>}, {:x<y>, :y<t>, :w<c>}, {:x<y>, :y<z>, :w<h>}),
"Can assign to and return Array[Hash] from type-constrained sub";
}
# RT #81682
{
my Int @rt81682 = ^3;
my Int $x = 5;
@rt81682[0] := $x;
is ~@rt81682, '5 1 2',
'can bind element of typed array to scalar container of same type';
my $y = 6;
@rt81682[2] := $y;
is ~@rt81682, '5 1 6',
'can bind element of typed array to scalar container of same type (but not explicitly typed)';
}
# vim: ft=perl6
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