SYN SYN

[p5sagit/p5-mst-13.2.git] / t / op / tr.t

diff --git a/t/op/tr.t b/t/op/tr.t
index 4e6667c..a7b041e 100755 (executable)
--- a/t/op/tr.t
+++ b/t/op/tr.t
@@ -2,10 +2,10 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    unshift @INC, "../lib";
+    @INC = '../lib';
 }
 
-print "1..4\n";
+print "1..29\n";
 
 $_ = "abcdefghijklmnopqrstuvwxyz";
 
@@ -37,3 +37,147 @@ print "ok 3\n";
     print "ok 4\n";
 }
 #
+
+# make sure that tr cancels IOK and NOK
+($x = 12) =~ tr/1/3/;
+(my $y = 12) =~ tr/1/3/;
+($f = 1.5) =~ tr/1/3/;
+(my $g = 1.5) =~ tr/1/3/;
+print "not " unless $x + $y + $f + $g == 71;
+print "ok 5\n";
+
+# make sure tr is harmless if not updating  -  see [ID 20000511.005]
+$_ = 'fred';
+/([a-z]{2})/;
+$1 =~ tr/A-Z//;
+s/^(\s*)f/$1F/;
+print "not " if $_ ne 'Fred';
+print "ok 6\n";
+
+# check tr handles UTF8 correctly
+($x = 256.65.258) =~ tr/a/b/;
+print "not " if $x ne 256.65.258 or length $x != 3;
+print "ok 7\n";
+$x =~ tr/A/B/;
+if (ord("\t") == 9) { # ASCII
+    print "not " if $x ne 256.66.258 or length $x != 3;
+}
+else {
+    print "not " if $x ne 256.65.258 or length $x != 3;
+}
+print "ok 8\n";
+# EBCDIC variants of the above tests
+($x = 256.193.258) =~ tr/a/b/;
+print "not " if $x ne 256.193.258 or length $x != 3;
+print "ok 9\n";
+$x =~ tr/A/B/;
+if (ord("\t") == 9) { # ASCII
+    print "not " if $x ne 256.193.258 or length $x != 3;
+}
+else {
+    print "not " if $x ne 256.194.258 or length $x != 3;
+}
+print "ok 10\n";
+
+{
+if (ord("\t") == 9) { # ASCII
+    use utf8;
+}
+# 11 - changing UTF8 characters in a UTF8 string, same length.
+$l = chr(300); $r = chr(400);
+$x = 200.300.400;
+$x =~ tr/\x{12c}/\x{190}/;
+printf "not (%vd) ", $x if $x ne 200.400.400 or length $x != 3;
+print "ok 11\n";
+
+# 12 - changing UTF8 characters in UTF8 string, more bytes.
+$x = 200.300.400;
+$x =~ tr/\x{12c}/\x{be8}/;
+printf "not (%vd) ", $x if $x ne 200.3048.400 or length $x != 3;
+print "ok 12\n";
+
+# 13 - introducing UTF8 characters to non-UTF8 string.
+$x = 100.125.60;
+$x =~ tr/\x{64}/\x{190}/;
+printf "not (%vd) ", $x if $x ne 400.125.60 or length $x != 3;
+print "ok 13\n";
+
+# 14 - removing UTF8 characters from UTF8 string
+$x = 400.125.60;
+$x =~ tr/\x{190}/\x{64}/;
+printf "not (%vd) ", $x if $x ne 100.125.60 or length $x != 3;
+print "ok 14\n";
+
+# 15 - counting UTF8 chars in UTF8 string
+$x = 400.125.60.400;
+$y = $x =~ tr/\x{190}/\x{190}/;
+print "not " if $y != 2;
+print "ok 15\n";
+
+# 16 - counting non-UTF8 chars in UTF8 string
+$x = 60.400.125.60.400;
+$y = $x =~ tr/\x{3c}/\x{3c}/;
+print "not " if $y != 2;
+print "ok 16\n";
+
+# 17 - counting UTF8 chars in non-UTF8 string
+$x = 200.125.60;
+$y = $x =~ tr/\x{190}/\x{190}/;
+print "not " if $y != 0;
+print "ok 17\n";
+}
+
+# 18: test brokenness with tr/a-z-9//;
+$_ = "abcdefghijklmnopqrstuvwxyz";
+eval "tr/a-z-9/ /";
+print (($@ =~ /^Ambiguous range in transliteration operator/) 
+       ? '' : 'not ', "ok 18\n");
+
+# 19-21: Make sure leading and trailing hyphens still work
+$_ = "car-rot9";
+tr/-a-m/./;
+print (($_ eq '..r.rot9') ? '' : 'not ', "ok 19\n");
+
+$_ = "car-rot9";
+tr/a-m-/./;
+print (($_ eq '..r.rot9') ? '' : 'not ', "ok 20\n");
+
+$_ = "car-rot9";
+tr/-a-m-/./;
+print (($_ eq '..r.rot9') ? '' : 'not ', "ok 21\n");
+
+$_ = "abcdefghijklmnop";
+tr/ae-hn/./;
+print (($_ eq '.bcd....ijklm.op') ? '' : 'not ', "ok 22\n");
+
+$_ = "abcdefghijklmnop";
+tr/a-cf-kn-p/./;
+print (($_ eq '...de......lm...') ? '' : 'not ', "ok 23\n");
+
+$_ = "abcdefghijklmnop";
+tr/a-ceg-ikm-o/./;
+print (($_ eq '...d.f...j.l...p') ? '' : 'not ', "ok 24\n");
+
+# 25: Test reversed range check
+# 20000705 MJD
+eval "tr/m-d/ /";
+print (($@ =~ /^Invalid \[\] range "m-d" in transliteration operator/) 
+       ? '' : 'not ', "ok 25\n");
+
+# 26: test cannot update if read-only
+eval '$1 =~ tr/x/y/';
+print (($@ =~ /^Modification of a read-only value attempted/) ? '' : 'not ',
+       "ok 26\n");
+
+# 27: test can count read-only
+'abcdef' =~ /(bcd)/;
+print (( eval '$1 =~ tr/abcd//' == 3) ? '' : 'not ', "ok 27\n");
+
+# 28: test lhs OK if not updating
+print ((eval '"123" =~ tr/12//' == 2) ? '' : 'not ', "ok 28\n");
+
+# 29: test lhs bad if updating
+eval '"123" =~ tr/1/1/';
+print (($@ =~ m|^Can't modify constant item in transliteration \(tr///\)|)
+       ? '' : 'not ', "ok 29\n");
+