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 69f3796..52574b0
--- a/t/op/tr.t
+++ b/t/op/tr.t
@@ -6,7 +6,7 @@ BEGIN {
     require './test.pl';
 }
 
-plan tests => 97;
+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');
@@ -295,18 +312,15 @@ is($a, "X");
 # (i-j, r-s, I-J, R-S), [\x89-\x91] [\xc9-\xd1] has to match them,
 # from Karsten Sperling.
 
-# Not working in EBCDIC as of 12674.
 $c = ($a = "\x89\x8a\x8b\x8c\x8d\x8f\x90\x91") =~ tr/\x89-\x91/X/;
 is($c, 8);
 is($a, "XXXXXXXX");
-   
-# Not working in EBCDIC as of 12674.
+
 $c = ($a = "\xc9\xca\xcb\xcc\xcd\xcf\xd0\xd1") =~ tr/\xc9-\xd1/X/;
 is($c, 8);
 is($a, "XXXXXXXX");
 
-
-SKIP: {   
+SKIP: {
     skip "not EBCDIC", 4 unless $Is_EBCDIC;
 
     $c = ($a = "\x89\x8a\x8b\x8c\x8d\x8f\x90\x91") =~ tr/i-j/X/;
@@ -379,3 +393,115 @@ my %foo = ();
 eval '$foo{bar} =~ tr/N/N/';
 is( $@, '',         'implicit count outside hash bounds' );
 is( scalar keys %foo, 0,   "    doesn't extend the hash");
+
+$x = \"foo";
+is( $x =~ tr/A/A/, 2, 'non-modifying tr/// on a scalar ref' );
+is( ref $x, 'SCALAR', "    doesn't stringify its argument" );
+
+# rt.perl.org 36622.  Perl didn't like a y/// at end of file.  No trailing
+# newline allowed.
+fresh_perl_is(q[$_ = "foo"; y/A-Z/a-z/], '');
+
+
+{ # [perl #38293] chr(65535) should be allowed in regexes
+no warnings 'utf8'; # to allow non-characters
+
+$s = "\x{d800}\x{ffff}";
+$s =~ tr/\0/A/;
+is($s, "\x{d800}\x{ffff}", "do_trans_simple");
+
+$s = "\x{d800}\x{ffff}";
+$i = $s =~ tr/\0//;
+is($i, 0, "do_trans_count");
+
+$s = "\x{d800}\x{ffff}";
+$s =~ tr/\0/A/s;
+is($s, "\x{d800}\x{ffff}", "do_trans_complex, SQUASH");
+
+$s = "\x{d800}\x{ffff}";
+$s =~ tr/\0/A/c;
+is($s, "AA", "do_trans_complex, COMPLEMENT");
+
+$s = "A\x{ffff}B";
+$s =~ tr/\x{ffff}/\x{1ffff}/;
+is($s, "A\x{1ffff}B", "utf8, SEARCHLIST");
+
+$s = "\x{fffd}\x{fffe}\x{ffff}";
+$s =~ tr/\x{fffd}-\x{ffff}/ABC/;
+is($s, "ABC", "utf8, SEARCHLIST range");
+
+$s = "ABC";
+$s =~ tr/ABC/\x{ffff}/;
+is($s, "\x{ffff}"x3, "utf8, REPLACEMENTLIST");
+
+$s = "ABC";
+$s =~ tr/ABC/\x{fffd}-\x{ffff}/;
+is($s, "\x{fffd}\x{fffe}\x{ffff}", "utf8, REPLACEMENTLIST range");
+
+$s = "A\x{ffff}B\x{100}\0\x{fffe}\x{ffff}";
+$i = $s =~ tr/\x{ffff}//;
+is($i, 2, "utf8, count");
+
+$s = "A\x{ffff}\x{ffff}C";
+$s =~ tr/\x{ffff}/\x{100}/s;
+is($s, "A\x{100}C", "utf8, SQUASH");
+
+$s = "A\x{ffff}\x{ffff}\x{fffe}\x{fffe}\x{fffe}C";
+$s =~ tr/\x{fffe}\x{ffff}//s;
+is($s, "A\x{ffff}\x{fffe}C", "utf8, SQUASH");
+
+$s = "xAABBBy";
+$s =~ tr/AB/\x{ffff}/s;
+is($s, "x\x{ffff}y", "utf8, SQUASH");
+
+$s = "xAABBBy";
+$s =~ tr/AB/\x{fffe}\x{ffff}/s;
+is($s, "x\x{fffe}\x{ffff}y", "utf8, SQUASH");
+
+$s = "A\x{ffff}B\x{fffe}C";
+$s =~ tr/\x{fffe}\x{ffff}/x/c;
+is($s, "x\x{ffff}x\x{fffe}x", "utf8, COMPLEMENT");
+
+$s = "A\x{10000}B\x{2abcd}C";
+$s =~ tr/\0-\x{ffff}/x/c;
+is($s, "AxBxC", "utf8, COMPLEMENT range");
+
+$s = "A\x{fffe}B\x{ffff}C";
+$s =~ tr/\x{fffe}\x{ffff}/x/d;
+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");
+}
+
+