diff options
Diffstat (limited to 'lib/utf8.t')
| -rw-r--r-- | lib/utf8.t | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/utf8.t b/lib/utf8.t index ae81ccdc46..b13bb5377d 100644 --- a/lib/utf8.t +++ b/lib/utf8.t @@ -427,6 +427,18 @@ SKIP: { } { + # Make sure utf8::decode respects copy-on-write [perl #91834]. + # Hash keys are the easiest way to test this. + my $name = "\x{c3}\x{b3}"; + my ($k1) = keys %{ { $name=>undef } }; + my $k2 = $name; + utf8::decode($k1); + utf8::decode($k2); + my $h = { $k1 => 1, $k2 => 2 }; + is join('', keys $h), $k2, 'utf8::decode respects copy-on-write'; +} + +{ my $a = "456\xb6"; utf8::upgrade($a); |