use v6-alpha;
use Test;
# Tests for the Proxy class
# Return value of assignments of Proxy objects is decided now.
# See thread "Assigning Proxy objects" on p6l,
# L<"http://www.nntp.perl.org/group/perl.perl6.language/21838">.
# Quoting Larry:
# The intention is that lvalue subs behave in all respects as if they
# were variables. So consider what
#
# say $nonproxy = 40;
#
# should do.
plan 18;
flunk 'XXX - Proxy not implemented', :todo<feature>;
skip_rest; exit;
my $foo = 42;
my $was_inside = 0;
sub lvalue_test1() is rw {
$was_inside++;
return new Proxy:
FETCH => { 100 + $foo },
STORE => { $foo = $^new - 100 };
};
{
is $foo, 42, "basic sanity (1)";
is $was_inside, 0, "basic sanity (2)";
is eval('lvalue_test1()'), 142, "getting var through Proxy (1)", :todo<feature>;
# No todo_is here to avoid unexpected succeeds (? - elaborate?)
is $was_inside, 1, "lvalue_test1() was called (1)";
is eval('lvalue_test1() = 123'), 123, "setting var through Proxy", :todo<feature>;
is $was_inside, 2, "lvalue_test1() was called (2)";
is $foo, 23, "var was correctly set (1)", :todo<feature>;
is eval('lvalue_test1()'), 123, "getting var through Proxy (2)", :todo<feature>;
is $was_inside, 3, "lvalue_test1() was called (3)";
}
$foo = 4;
$was_inside = 0;
sub lvalue_test2() is rw {
$was_inside++;
return new Proxy:
FETCH => { 10 + $foo },
STORE => { $foo = $^new - 100 };
};
{
is $foo, 4, "basic sanity (3)";
is $was_inside, 0, "basic sanity (4)";
skip_rest 'XXX - lvalue vars not available - incoherent test results';
exit;
is eval('lvalue_test2()'), 14, "getting var through Proxy (4)", :todo<feature>;
# No todo_is here to avoid unexpected succeeds
is $was_inside, 1, "lvalue_test2() was called (4)";
is eval('lvalue_test2() = 106'), 166, "setting var through Proxy returns new value of the var", :todo<feature>;
is $was_inside, 2, "lvalue_test2() was called (5)";
is $foo, 6, "var was correctly set (2)", :todo<feature>;
is eval('lvalue_test2()'), 16, "getting var through Proxy (5)", :todo<feature>;
is $was_inside, 3, "lvalue_test2() was called (5)";
}