perldelta: Add the entry about text-mode source from 270ca14

[perl5.git] / t / op / tr.t

diff --git a/t/op/tr.t b/t/op/tr.t
old mode 100755 (executable)
new mode 100644 (file)
index 796f96a..52574b0
--- a/t/op/tr.t
+++ b/t/op/tr.t
@@ -6,7 +6,7 @@ BEGIN {
     require './test.pl';
 }
 
-plan tests => 116;
+plan tests => 128;
 
 my $Is_EBCDIC = (ord('i') == 0x89 & ord('J') == 0xd1);
 
@@ -44,6 +44,27 @@ is($_, "aBCDEFGHIJKLMNOPQRSTUVWXYz",    'partial uc');
 (my $g = 1.5) =~ tr/1/3/;
 is($x + $y + $f + $g, 71,   'tr cancels IOK and NOK');
 
+# /r
+$_ = 'adam';
+is y/dam/ve/rd, 'eve', '/r';
+is $_, 'adam', '/r leaves param alone';
+$g = 'ruby';
+is $g =~ y/bury/repl/r, 'perl', '/r with explicit param';
+is $g, 'ruby', '/r leaves explicit param alone';
+is "aaa" =~ y\a\b\r, 'bbb', '/r with constant param';
+ok !eval '$_ !~ y///r', "!~ y///r is forbidden";
+like $@, qr\^Using !~ with tr///r doesn't make sense\,
+  "!~ y///r error message";
+{
+  my $w;
+  my $wc;
+  local $SIG{__WARN__} = sub { $w = shift; ++$wc };
+  local $^W = 1;
+  eval 'y///r; 1';
+  like $w, qr '^Useless use of non-destructive transliteration \(tr///r\)',
+    '/r warns in void context';
+  is $wc, 1, '/r warns just once';
+}
 
 # perlbug [ID 20000511.005]
 $_ = 'fred';
@@ -163,10 +184,6 @@ eval "tr/m-d/ /";
 like($@, qr/^Invalid range "m-d" in transliteration operator/,
               'reversed range check');
 
-eval '$1 =~ tr/x/y/';
-like($@, qr/^Modification of a read-only value attempted/,
-              'cannot update read-only var');
-
 'abcdef' =~ /(bcd)/;
 is(eval '$1 =~ tr/abcd//', 3,  'explicit read-only count');
 is($@, '',                      '    no error');
@@ -455,3 +472,36 @@ is($s, "AxBC", "utf8, DELETE");
 
 } # non-characters end
 
+{ # related to [perl #27940]
+    my $c;
+
+    ($c = "\x20\c@\x30\cA\x40\cZ\x50\c_\x60") =~ tr/\c@-\c_//d;
+    is($c, "\x20\x30\x40\x50\x60", "tr/\\c\@-\\c_//d");
+
+    ($c = "\x20\x00\x30\x01\x40\x1A\x50\x1F\x60") =~ tr/\x00-\x1f//d;
+    is($c, "\x20\x30\x40\x50\x60", "tr/\\x00-\\x1f//d");
+}
+
+($s) = keys %{{pie => 3}};
+my $wasro = Internals::SvREADONLY($s);
+{
+    $wasro or local $TODO = "didn't have a COW";
+    $s =~ tr/i//;
+    ok( Internals::SvREADONLY($s), "count-only tr doesn't deCOW COWs" );
+}
+
+# [ RT #61520 ]
+#
+# under threads, unicode tr within a cloned closure would SEGV or assert
+# fail, since the pointer in the pad to the swash was getting zeroed out
+# in the proto-CV
+
+{
+    my $x = "\x{142}";
+    sub {
+       $x =~ tr[\x{142}][\x{143}];
+    }->();
+    is($x,"\x{143}", "utf8 + closure");
+}
+
+