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|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config;
if ($Config::Config{'uvsize'} != 8) {
print "1..0 # Skip -- Perl configured with 32-bit ints\n";
exit 0;
}
}
$| = 1;
use Test::More;
my $ii = 36028797018963971; # 2^55 + 3
### Tests with numerifying large positive int
{ package Oobj;
use overload '0+' => sub { ${$_[0]} += 1; $ii },
'fallback' => 1;
}
my $oo = bless(\do{my $x = 0}, 'Oobj');
my $cnt = 1;
is("$oo", "$ii", '0+ overload with stringification');
is($$oo, $cnt++, 'overload called once');
is($oo>>3, $ii>>3, '0+ overload with bit shift right');
is($$oo, $cnt++, 'overload called once');
is($oo<<2, $ii<<2, '0+ overload with bit shift left');
is($$oo, $cnt++, 'overload called once');
is($oo|0xFF00, $ii|0xFF00, '0+ overload with bitwise or');
is($$oo, $cnt++, 'overload called once');
is($oo&0xFF03, $ii&0xFF03, '0+ overload with bitwise and');
is($$oo, $cnt++, 'overload called once');
ok($oo == $ii, '0+ overload with equality');
is($$oo, $cnt++, 'overload called once');
is(int($oo), $ii, '0+ overload with int()');
is($$oo, $cnt++, 'overload called once');
is(abs($oo), $ii, '0+ overload with abs()');
is($$oo, $cnt++, 'overload called once');
is(-$oo, -$ii, '0+ overload with unary minus');
is($$oo, $cnt++, 'overload called once');
is(0+$oo, $ii, '0+ overload with addition');
is($$oo, $cnt++, 'overload called once');
is($oo+0, $ii, '0+ overload with addition');
is($$oo, $cnt++, 'overload called once');
is($oo+$oo, 2*$ii, '0+ overload with addition');
$cnt++;
is($$oo, $cnt++, 'overload called once');
is(0-$oo, -$ii, '0+ overload with subtraction');
is($$oo, $cnt++, 'overload called once');
is($oo-99, $ii-99, '0+ overload with subtraction');
is($$oo, $cnt++, 'overload called once');
is(2*$oo, 2*$ii, '0+ overload with multiplication');
is($$oo, $cnt++, 'overload called once');
is($oo*3, 3*$ii, '0+ overload with multiplication');
is($$oo, $cnt++, 'overload called once');
is($oo/1, $ii, '0+ overload with division');
is($$oo, $cnt++, 'overload called once');
is($ii/$oo, 1, '0+ overload with division');
is($$oo, $cnt++, 'overload called once');
is($oo%100, $ii%100, '0+ overload with modulo');
is($$oo, $cnt++, 'overload called once');
is($ii%$oo, 0, '0+ overload with modulo');
is($$oo, $cnt++, 'overload called once');
is($oo**1, $ii, '0+ overload with exponentiation');
is($$oo, $cnt++, 'overload called once');
### Tests with numerifying large negative int
{ package Oobj2;
use overload '0+' => sub { ${$_[0]} += 1; -$ii },
'fallback' => 1;
}
$oo = bless(\do{my $x = 0}, 'Oobj2');
$cnt = 1;
is(int($oo), -$ii, '0+ overload with int()');
is($$oo, $cnt++, 'overload called once');
is(abs($oo), $ii, '0+ overload with abs()');
is($$oo, $cnt++, 'overload called once');
is(-$oo, $ii, '0+ overload with unary -');
is($$oo, $cnt++, 'overload called once');
is(0+$oo, -$ii, '0+ overload with addition');
is($$oo, $cnt++, 'overload called once');
is($oo+0, -$ii, '0+ overload with addition');
is($$oo, $cnt++, 'overload called once');
is($oo+$oo, -2*$ii, '0+ overload with addition');
$cnt++;
is($$oo, $cnt++, 'overload called once');
is(0-$oo, $ii, '0+ overload with subtraction');
is($$oo, $cnt++, 'overload called once');
is(2*$oo, -2*$ii, '0+ overload with multiplication');
is($$oo, $cnt++, 'overload called once');
is($oo*3, -3*$ii, '0+ overload with multiplication');
is($$oo, $cnt++, 'overload called once');
is($oo/1, -$ii, '0+ overload with division');
is($$oo, $cnt++, 'overload called once');
is($ii/$oo, -1, '0+ overload with division');
is($$oo, $cnt++, 'overload called once');
is($oo%100, (-$ii)%100, '0+ overload with modulo');
is($$oo, $cnt++, 'overload called once');
is($ii%$oo, 0, '0+ overload with modulo');
is($$oo, $cnt++, 'overload called once');
is($oo**1, -$ii, '0+ overload with exponentiation');
is($$oo, $cnt++, 'overload called once');
### Tests with overloading but no fallback
{ package Oobj3;
use overload
'int' => sub { ${$_[0]} += 1; $ii },
'abs' => sub { ${$_[0]} += 1; $ii },
'neg' => sub { ${$_[0]} += 1; -$ii },
'+' => sub {
${$_[0]} += 1;
my $res = (ref($_[0]) eq __PACKAGE__) ? $ii : $_[0];
$res += (ref($_[1]) eq __PACKAGE__) ? $ii : $_[1];
},
'-' => sub {
${$_[0]} += 1;
my ($l, $r) = ($_[2]) ? (1, 0) : (0, 1);
my $res = (ref($_[$l]) eq __PACKAGE__) ? $ii : $_[$l];
$res -= (ref($_[$r]) eq __PACKAGE__) ? $ii : $_[$r];
},
'*' => sub {
${$_[0]} += 1;
my $res = (ref($_[0]) eq __PACKAGE__) ? $ii : $_[0];
$res *= (ref($_[1]) eq __PACKAGE__) ? $ii : $_[1];
},
'/' => sub {
${$_[0]} += 1;
my ($l, $r) = ($_[2]) ? (1, 0) : (0, 1);
my $res = (ref($_[$l]) eq __PACKAGE__) ? $ii+1 : $_[$l];
$res /= (ref($_[$r]) eq __PACKAGE__) ? $ii+1 : $_[$r];
},
'%' => sub {
${$_[0]} += 1;
my ($l, $r) = ($_[2]) ? (1, 0) : (0, 1);
my $res = (ref($_[$l]) eq __PACKAGE__) ? $ii : $_[$l];
$res %= (ref($_[$r]) eq __PACKAGE__) ? $ii : $_[$r];
},
'**' => sub {
${$_[0]} += 1;
my ($l, $r) = ($_[2]) ? (1, 0) : (0, 1);
my $res = (ref($_[$l]) eq __PACKAGE__) ? $ii : $_[$l];
$res **= (ref($_[$r]) eq __PACKAGE__) ? $ii : $_[$r];
},
}
$oo = bless(\do{my $x = 0}, 'Oobj3');
$cnt = 1;
is(int($oo), $ii, 'int() overload');
is($$oo, $cnt++, 'overload called once');
is(abs($oo), $ii, 'abs() overload');
is($$oo, $cnt++, 'overload called once');
is(-$oo, -$ii, 'neg overload');
is($$oo, $cnt++, 'overload called once');
is(0+$oo, $ii, '+ overload');
is($$oo, $cnt++, 'overload called once');
is($oo+0, $ii, '+ overload');
is($$oo, $cnt++, 'overload called once');
is($oo+$oo, 2*$ii, '+ overload');
is($$oo, $cnt++, 'overload called once');
is(0-$oo, -$ii, '- overload');
is($$oo, $cnt++, 'overload called once');
is($oo-99, $ii-99, '- overload');
is($$oo, $cnt++, 'overload called once');
is($oo*2, 2*$ii, '* overload');
is($$oo, $cnt++, 'overload called once');
is(-3*$oo, -3*$ii, '* overload');
is($$oo, $cnt++, 'overload called once');
is($oo/2, ($ii+1)/2, '/ overload');
is($$oo, $cnt++, 'overload called once');
is(($ii+1)/$oo, 1, '/ overload');
is($$oo, $cnt++, 'overload called once');
is($oo%100, $ii%100, '% overload');
is($$oo, $cnt++, 'overload called once');
is($ii%$oo, 0, '% overload');
is($$oo, $cnt++, 'overload called once');
is($oo**1, $ii, '** overload');
is($$oo, $cnt++, 'overload called once');
# RT #77456: when conversion method returns an IV/UV,
# avoid IV -> NV upgrade if possible .
{
package P77456;
use overload '0+' => sub { $_[0][0] }, fallback => 1;
package main;
for my $expr (
'(%531 + 1) - $a531 == 1', # pp_add
'$a531 - (%531 - 1) == 1', # pp_subtract
'(%531 * 2 + 1) - (%531 * 2) == 1', # pp_multiply
'(%54 / 2 + 1) - (%54 / 2) == 1', # pp_divide
'(%271 ** 2 + 1) - (%271 ** 2) == 1', # pp_pow
'(%541 % 2) == 1', # pp_modulo
'$a54 + (-%531)*2 == -2', # pp_negate
'(abs(%53m)+1) - $a53 == 1', # pp_abs
'(%531 << 1) - 2 == $a54', # pp_left_shift
'(%541 >> 1) + 1 == $a531', # pp_right_shift
'!(%53 == %531)', # pp_eq
'(%53 != %531)', # pp_ne
'(%53 < %531)', # pp_lt
'!(%531 <= %53)', # pp_le
'(%531 > %53)', # pp_gt
'!(%53 >= %531)', # pp_ge
'(%53 <=> %531) == -1', # pp_ncmp
'(%531 & %53) == $a53', # pp_bit_and
'(%531 | %53) == $a531', # pp_bit_or
'~(~ %531 + $a531) == 0', # pp_complement
) {
for my $int ('', 'use integer; ') {
(my $aexpr = "$int$expr") =~ s/\%(\d+m?)/\$a$1/g;
(my $bexpr = "$int$expr") =~ s/\%(\d+m?)/\$b$1/g;
my $a27 = 1 << 27;
my $a271 = $a27 + 1;
my $a53 = 1 << 53;
my $a53m = -$a53;
my $a531 = $a53 + 1;
my $a54 = 1 << 54;
my $a541 = $a54 + 1;
my $b27 = bless [ $a27 ], 'P77456';
my $b271 = bless [ $a271 ], 'P77456';
my $b53 = bless [ $a53 ], 'P77456';
my $b53m = bless [ $a53m ], 'P77456';
my $b531 = bless [ $a531 ], 'P77456';
my $b54 = bless [ $a54 ], 'P77456';
my $b541 = bless [ $a541 ], 'P77456';
SKIP: {
skip("IV/NV not suitable on this platform: $aexpr", 1)
unless eval $aexpr;
ok(eval $bexpr, "IV: $bexpr");
}
}
}
}
done_testing();
|
