/
pseudo.t
414 lines (343 loc) · 13.2 KB
/
pseudo.t
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use v6;
use Test;
plan 142;
# I'm not convinced this is in the right place
# Some parts of this testing (i.e. WHO) seem a bit more S10ish -sorear
# L<S02/Names>
# (root)
#?rakudo skip 'the binding in here is NYI'
{
my $x = 1; #OK
my $y = 2; #OK
is ::<$x>, 1, 'Access via root finds lexicals';
{
my $y = 3; #OK
is ::<$y>, 3, 'Access via root finds lexicals in inner block';
is ::<$x>, 1, 'Access via root finds lexicals in outer block';
}
{
::<$x> := $y;
$y = 1.5;
is $x, 1.5, 'Can bind via root';
}
# XXX Where else should rooty access look?
# OUR and GLOBAL are the main (mutually exclusive) choices.
}
# MY
#?rakudo skip 'various issues, skipping all for now'
{
my $x = 10; #OK
my $y = 11; #OK
is $MY::x, 10, '$MY::x works';
is MY::<$x>, 10, 'MY::<$x> works';
is MY::.{'$x'}, 10, 'MY::.{\'$x\'} works';
is MY.WHO.{'$x'}, 10, 'MY.WHO access works';
{
my $y = 12; #OK
is $MY::y, 12, '$MY::y finds shadow';
is $MY::x, 10, '$MY::x finds original';
is MY::.{'$y'}, 12, 'Hash-like access finds shadow $y';
is MY::.{'$x'}, 10, 'Hash-like access finds original $x';
}
my $z;
{
$x = [1,2,3];
$MY::z := $x;
ok $z =:= $x, 'Can bind through $MY::z';
is +[$z], 1, '... it is a scalar binding';
lives_ok { $z = 15 }, '... it is mutable';
MY::.{'$z'} := $y;
ok $z =:= $y, 'Can bind through MY::.{}';
$MY::z ::= $y;
is $z, $y, '::= binding through $MY::z works';
throws_like { $z = 5 },
Exception,
'... and makes readonly';
MY::.{'$z'} ::= $x;
is $z, $x, '::= binding through MY::.{} works';
throws_like { $z = 5 },
Exception,
'... and makes readonly';
}
my class A1 {
our $pies = 14;
method pies() { }
}
ok MY::A1.^can('pies'), 'MY::classname works';
is $MY::A1::pies, 14, 'Can access package hashes through MY::A1';
ok MY::.{'A1'}.^can('pies'), 'MY::.{classname} works';
{
ok MY::A1.^can('pies'), 'MY::classname works from inner scope';
ok MY::.{'A1'}.^can('pies'), 'MY::.{classname} works from inner scope';
my class A2 {
method spies { 15 }
}
}
throws_like { EVAL 'MY::A2' },
Exception,
'Cannot use MY::A2 directly from outer scope';
throws_like { MY::.{'A2'}.spies },
Exception,
'Cannot use MY::.{"A2"} from outer scope';
sub callee { MY::.{'$*k'} }
sub callee2($f is rw) { MY::.{'$*k'} := $f }
# slightly dubious, but a straightforward extrapolation from the behavior
# of CALLER::<$*k> and OUTER::<$*k>
{
my $*k = 16;
my $z = 17;
is callee(), 16, 'MY::.{\'$*k\'} does a dynamic search';
callee2($z);
ok $*k =:= $z, 'MY::.{\'$*k\'} can be used to bind dynamic variables';
}
# niecza does a case analysis on the variable's storage type to implement
# this, so there is room for bugs to hide in all cases
our $a18 = 19;
is $MY::a18, 19, '$MY:: can be used on our-aliases';
is MY::.{'$a18'}, 19, 'MY::.{} can be used on our-aliases';
$MY::a18 := $x;
ok $a18 =:= $x, '$MY:: binding works on our-aliases';
my constant $?q = 20;
is $?MY::q, 20, '$?MY:: can be used on constants'; #OK
is MY::.{'$?q'}, 20, 'MY::.{} can be used on constants';
ok MY::{'&say'} === &say, 'MY::.{} can find CORE names';
ok &MY::say === &say, '&MY:: can find CORE names';
for 1 .. 1 {
state $r = 21;
is MY::.{'$r'}, 21, 'MY::.{} can access state names';
is $MY::r, 21, '$MY:: can access state names';
}
my $my = 'MY';
my $l = 22; #OK
is ::($my)::('$l'), 22, 'Can access MY itself indirectly ::()';
is ::.<MY>.WHO.<$l>, 22, 'Can access MY itself indirectly via ::';
}
# OUR
{
{
our $x30 = 31;
our $x32 = 33;
our $x34 = 35;
}
my $x = 39;
is $OUR::x30, 31, 'basic OUR:: testing';
$OUR::x30 := $x;
ok $OUR::x30 =:= $x, 'can bind through OUR::';
is OUR::.<$x32>, 33, 'basic OUR::.{} works';
OUR::.<$x32> := $x;
ok $OUR::x32 =:= $x, 'can bind through OUR::.{}';
my $our = 'OUR';
is ::($our)::('$x34'), 35, 'OUR works when indirectly accessed';
our package A36 { # for explicitness
{ our $x37 = 38; }
ok !defined($OUR::x30), '$OUR:: does not find GLOBAL';
is $OUR::x37, 38, '$OUR:: does find current package';
ok !defined(OUR::.<$x30>), 'OUR::.{} does not find GLOBAL';
is OUR::.{'$x37'}, 38, 'OUR::.{} does find current package';
ok !defined(::($our)::('$x34')), '::("OUR") does not find GLOBAL';
is ::($our)::('$x37'), 38, '::("OUR") does find current package';
}
is $OUR::A36::x37, 38, '$OUR:: syntax can indirect through a package';
is ::($our)::('A36')::('$x37'), 38, '::("OUR") can also indirect';
$OUR::A40::x = 41;
is OUR::A40.WHO.<$x>, 41, '$OUR:: can autovivify packages (reference)';
$OUR::A41::x := 42;
is OUR::A41.WHO.<$x>, 42, '$OUR:: can autovivify packages (binding)';
#?rakudo emit #
$::($our)::A42::x = 43;
#?rakudo todo 'interpolation and auto-viv NYI'
is ::($our)::A42.WHO.<$x>, 43, '::("OUR") can autovivify packages (r)';
#?rakudo emit #
$::($our)::A43::x := 44;
#?rakudo todo 'binding and interpolation together NYI'
is ::($our)::A43.WHO.<$x>, 44, '::("OUR") can autovivify packages (b)';
#?rakudo emit #
::($our)::A44 := class { our $x = 41; };
#?rakudo todo 'binding and interpolation together NYI'
is $::($our)::A44::x, 41, '::("OUR") can follow aliased packages';
}
# CORE
#?rakudo skip 'CORE NYI'
{
my $real = ¬
my $core = "CORE";
ok &CORE::not === $real, '&CORE:: works';
ok CORE::.<¬> === $real, 'CORE::.{} works';
ok ::($core)::('¬') === $real, '::("CORE") works';
{
sub not($x) { $x } #OK
ok &CORE::not === $real, '&CORE:: works when shadowed';
ok CORE::.<¬> === $real, 'CORE::.{} works when shadowed';
ok &::($core)::not === $real, '::("CORE") works when shadowed';
ok EVAL('&CORE::not') === $real, '&CORE:: is not &SETTING::';
ok EVAL('CORE::.<¬>') === $real, 'CORE::.{} is not SETTING::';
ok EVAL('&::($core)::not') === $real, '::("CORE") is not SETTING';
}
sub f1() { }; sub f2() { }; sub f3() { }
lives_ok { &CORE::none := &f1 }, '&CORE:: binding lives';
ok &none =:= &f1, '... and works';
lives_ok { CORE::.<&none> := &f2 }, 'CORE::.{} binding lives';
ok &none =:= &f2, '... and works';
lives_ok { &::($core)::none := &f3 }, '::("CORE") binding lives';
ok &none =:= &f3, '... and works';
# in niecza v8, dynamic variables go through a separate code path.
# make sure accessing it in CORE works
lives_ok { $CORE::_ := 50 }, 'Binding to $CORE::_ lives';
is $CORE::_, 50, 'Accessing $CORE::_ works';
lives_ok { $::($core)::_ := 51 }, 'Binding to $::("CORE")::_ lives';
is $::($core)::_, 51, 'Accessing $::("CORE")::_ works';
}
# GLOBAL - functionality is very similar to OUR
{
{ our $x60 = 60; }
package A61 {
is $GLOBAL::x60, 60, '$GLOBAL:: works';
#?rakudo todo 'GLOBAL and interpolation'
is ::("GLOBAL")::('$x60'), 60, '::("GLOBAL") works';
is GLOBAL::.<$x60>, 60, 'GLOBAL::.{} works';
}
ok !defined(&GLOBAL::say), 'GLOBAL:: does not find CORE symbols';
}
# PROCESS - similar to GLOBAL and OUR
{
package A71 {
ok $PROCESS::IN === $*IN, '$PROCESS:: works';
ok PROCESS::.<$IN> === $*IN, 'PROCESS::.{} works';
ok $::("PROCESS")::IN === $*IN, '::("PROCESS") works';
}
}
#RT #89706
#?niecza skip "readonly"
{
$PROCESS::PROGRAM_NAME = "otter";
is $*PROGRAM_NAME, "otter", 'existing $* assignable via PROCESS';
$PROCESS::SOME_OTHER_VAR = "else";
is $*SOME_OTHER_VAR, "else", 'new $* assignable via PROCESS';
}
# COMPILING - not testable without BEGIN
# DYNAMIC
#?rakudo skip 'various issues to resolve'
{
my $dyn = "DYNAMIC";
{
my $*x80 = 82;
my $y; my $z;
is $*DYNAMIC::x80, 82, '$DYNAMIC:: works';
is DYNAMIC::.<$*x80>, 82, 'DYNAMIC::.{} works';
is ::($dyn)::('$*x80'), 82, '::("DYNAMIC") works';
$*DYNAMIC::x80 := $y;
ok $*x80 =:= $y, 'Can bind through $DYNAMIC::';
::($dyn)::('$*x80') := $z;
ok $*x80 =:= $z, 'Can bind through ::("DYNAMIC")';
ok !defined($*DYNAMIC::x82), 'Unfound dynamics are undefined';
ok !defined(::($dyn)::('$*x82')), 'Unfound with ::("DYNAMIC")';
}
{
my $x83 is dynamic = 83; #OK
my $*x84 = 84; #OK
is $DYNAMIC::x83, 83, 'DYNAMIC on non-$* vars works';
is $::($dyn)::x83, 83, '::("DYNAMIC") on non-$* vars works';
ok !defined($DYNAMIC::x84), 'DYNAMIC $x does not find $*x';
ok !defined($::($dyn)::x84), '::("DYNAMIC") $x does not find $*x';
ok !defined($*DYNAMIC::x83), 'DYNAMIC $*x does not find $x';
ok !defined(::($dyn)::('$*x83')), '::("DYNAMIC") $x does not find $*x';
}
sub docall($f) { my $*x80 = 80; my $x81 is dynamic = 81; $f() } #OK
{
is docall({ $DYNAMIC::x81 }), 81, 'DYNAMIC:: searches callers';
is docall({ $::($dyn)::x81 }), 81, '::("DYNAMIC") searches callers';
my ($fun1, $fun2) = do {
my $x81 is dynamic = 85; #OK
{ $DYNAMIC::x81 }, { $::($dyn)::x81 }
};
ok !defined($fun1()), 'DYNAMIC:: does not search outers';
ok !defined($fun2()), '::("DYNAMIC") does not search outers';
$GLOBAL::x86 = 86;
ok !defined($DYNAMIC::x86), 'DYNAMIC:: without twigil ignores GLOBAL';
ok !defined($::($dyn)::x86), '"DYNAMIC" without twigil ignores GLOBAL';
is $*DYNAMIC::x86, 86, 'DYNAMIC:: with * searches GLOBAL';
is ::($dyn)::('$*x86'), 86, '::("DYNAMIC") with * searches GLOBAL';
ok DYNAMIC::<$*IN> === $PROCESS::IN,
'DYNAMIC:: with * searches PROCESS';
ok ::($dyn)::('$*IN') === $PROCESS::IN,
'::("DYNAMIC") with * searches PROCESS';
}
}
# CALLER - assumes MY:: has taken care of most access testing
{
sub f1($f) { my $x is dynamic = 90; $f() } #OK
sub f2($f) { my $x is dynamic = 91; f1($f) } #OK
my $caller = 'CALLER';
is f1({ $CALLER::x }), 90, '$CALLER:: works';
is f1({ CALLER::.<$x> }), 90, 'CALLER::.{} works';
is f1({ $::($caller)::x }), 90, '::("CALLER") works';
is f2({ $CALLER::CALLER::x }), 91, 'CALLER::CALLER:: works';
is f2({ $::($caller)::($caller)::x }), 91, 'indirect CALLER::CALLER works';
my $*foo = 92;
#?rakudo 2 todo 'not entirely sure these make sense...'
is f2({ CALLER::<$*foo> }), 92, 'CALLER::<$*foo> works';
is f2({ ::($caller)::('$*foo') }), 92, '::("CALLER")::<$*foo> works';
my $y is dynamic = 93; #OK
if 1 {
is $CALLER::y, 93, 'CALLER:: works in inline blocks';
is $::($caller)::y, 93, '::("CALLER") works in inline blocks';
}
}
# OUTER
{
sub f1($f) { my $x is dynamic = 100; $f() } #OK
sub f2($f) { my $*x = 101; $f() } #OK
my $outer = 'OUTER';
my $x = 102; #OK
my $y = 103; #OK
{
my $x = 104; #OK
is $OUTER::x, 102, '$OUTER:: works';
is OUTER::.<$x>, 102, 'OUTER::.{} works';
is $::($outer)::x, 102, '::("OUTER") works';
{
my $x = 105; #OK
my $y = 106; #OK
#?rakudo 2 todo 'these tests disagree with STD'
is $OUTER::y, 103, '$OUTER:: keeps going until match';
is $::($outer)::y, 103, '::("OUTER") keeps going until match';
is $OUTER::OUTER::x, 102, '$OUTER::OUTER:: works';
is $::($outer)::($outer)::x, 102, '::("OUTER")::("OUTER") works';
}
is f1({ $OUTER::x }), 104, 'OUTER:: is not CALLER::';
is f1({ $::($outer)::x }), 104, '::("OUTER") is not CALLER::';
{
is f1({ $CALLER::OUTER::x }), 102, 'CALLER::OUTER:: works';
}
}
my $*x = 107;
is f2({ OUTER::<$*x> }), 107, 'OUTER::<$*x> works';
is f2({ ::($outer)::('$*x') }), 107, '::("OUTER")::<$*x> works';
}
# UNIT
my $x110 = 110; #OK
{
my $x110 = 111; #OK
my $unit = "UNIT";
is $UNIT::x110, 110, '$UNIT:: works';
is $::($unit)::x110, 110, '::("UNIT") works';
is EVAL('my $x110 = 112; $UNIT::x110'), 112, '$UNIT:: finds eval heads';
is EVAL('my $x110 = 112; $::($unit)::x110 #OK'), 112, '::("UNIT") finds eval heads';
my $f = EVAL('my $x110 is dynamic = 113; -> $fn { my $x110 is dynamic = 114; $fn(); } #OK');
is $f({ $CALLER::UNIT::x110 }), 113, 'CALLER::UNIT works';
is $f({ $CALLER::($unit)::x110 }), 113, 'CALLER::UNIT works (indirect)';
}
# SETTING
{
sub not($x) { $x } #OK
my $setting = 'SETTING';
ok &SETTING::not(False), 'SETTING:: works';
ok &::($setting)::not.(False), '::("SETTING") works';
ok EVAL('&SETTING::not(True)'), 'SETTING finds eval context';
ok EVAL('&::($setting)::not(True)'), '::("SETTING") finds eval context';
my $f = EVAL('-> $fn { $fn(); }');
ok $f({ &CALLER::SETTING::not(True) }), 'CALLER::SETTING works';
ok $f({ &CALLER::($setting)::not(True) }), 'CALLER::SETTING works (ind)';
}
# PARENT - NYI in any compiler
# vim: ft=perl6