Opening dirhandle DIR also as a file needs no warnings 'deprecated';

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

diff --git a/t/op/lc.t b/t/op/lc.t
index 571868f..5f4c6b4 100644 (file)
--- a/t/op/lc.t
+++ b/t/op/lc.t
@@ -6,7 +6,12 @@ BEGIN {
     require './test.pl';
 }
 
-plan tests => 87;
+plan tests => 93;
+
+is(lc(undef),     "", "lc(undef) is ''");
+is(lcfirst(undef), "", "lcfirst(undef) is ''");
+is(uc(undef),     "", "uc(undef) is ''");
+is(ucfirst(undef), "", "ucfirst(undef) is ''");
 
 $a = "HELLO.* world";
 $b = "hello.* WORLD";
@@ -205,3 +210,13 @@ for (1, 4, 9, 16, 25) {
 
     is(lc "\x{0130}" x $_, "i\x{307}" x $_, 'lc U+0130 grows');
 }
+
+# bug #43207
+my $temp = "Hello";
+for ("$temp") {
+    lc $_;
+    is($_, "Hello");
+}
+
+# new in Unicode 5.1.0
+is(lc("\x{1E9E}"), "\x{df}", "lc(LATIN CAPITAL LETTER SHARP S)");