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176b7241c8
- Move the version declaration into the package line. - Use v5.40 to get strict, warnings, and the module_true feature. - Make private sub lexical, it's unlikely to be used in darkpan. - Make use of subroutine signatures.
117 lines
3.2 KiB
Perl
117 lines
3.2 KiB
Perl
#./perl
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use v5.40;
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use Test::More;
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package Stringifies {
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use overload (
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fallback => 1,
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'""' => sub { "foo" },
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'0+' => sub { 42 },
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cos => sub { "far side of overload table" },
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);
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sub new { bless {}, shift };
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}
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my $x = Stringifies->new;
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my $y = qr//;
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my $ystr = "$y";
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, 42, "numifies" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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{
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no overloading;
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is( "$x", overload::StrVal($x), "no stringification" );
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is( "$y", overload::StrVal($y), "no stringification of qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), cos(refaddr($x)), "no cosinusfication" );
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{
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no overloading '""';
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is( "$x", overload::StrVal($x), "no stringification" );
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is( "$y", overload::StrVal($y), "no stringification of qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), cos(refaddr($x)), "no cosinusfication" );
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}
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}
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{
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no overloading '""';
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is( "$x", overload::StrVal($x), "no stringification" );
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is( "$y", overload::StrVal($y), "no stringification of qr//" );
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is( 0 + $x, 42, "numifies" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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my $q = qr/abc/;
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ok "abc" =~ $q, '=~ qr// with no "" overloading';
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ok "abcd" =~ /${q}d/, '=~ /foo$qr/ with no "" overloading';
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{
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no overloading 'qr';
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my $q = qr/abc/;
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ok "abc" =~ $q, '=~ qr// with no "" or qr overloading';
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ok "abcd" =~ /${q}d/, '=~ /foo$qr/ with no "" or qr overloading';
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}
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{
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no overloading;
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is( "$x", overload::StrVal($x), "no stringification" );
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is( "$y", overload::StrVal($y), "no stringification of qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), cos(refaddr($x)), "no cosinusfication" );
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}
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use overloading '""';
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, 42, "numifies" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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no overloading '0+';
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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{
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no overloading '""';
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is( "$x", overload::StrVal($x), "no stringification" );
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is( "$y", overload::StrVal($y), "no stringification of qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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{
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use overloading;
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, 42, "numifies" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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}
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}
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), "far side of overload table", "cosinusfies" );
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no overloading "cos";
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is( "$x", "foo", "stringifies" );
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is( "$y", $ystr, "stringifies qr//" );
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is( 0 + $x, refaddr($x), "no numification" );
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is( cos($x), cos(refaddr($x)), "no cosinusfication" );
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BEGIN { ok(exists($^H{overloading}), "overloading hint present") }
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use overloading;
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BEGIN { ok(!exists($^H{overloading}), "overloading hint removed") }
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}
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done_testing();
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