require './test.pl';
}
-plan tests => 59;
+plan tests => 88;
$a = "HELLO.* world";
$b = "hello.* WORLD";
is($a, v10, "[perl #18857]");
}
}
+
+
+# [perl #38619] Bug in lc and uc (interaction between UTF-8, substr, and lc/uc)
+
+for ("a\x{100}", "xyz\x{100}") {
+ is(substr(uc($_), 0), uc($_), "[perl #38619] uc");
+}
+for ("A\x{100}", "XYZ\x{100}") {
+ is(substr(lc($_), 0), lc($_), "[perl #38619] lc");
+}
+for ("a\x{100}", "ßyz\x{100}") { # ß to Ss (different length)
+ is(substr(ucfirst($_), 0), ucfirst($_), "[perl #38619] ucfirst");
+}
+
+# Related to [perl #38619]
+# the original report concerns PERL_MAGIC_utf8.
+# these cases concern PERL_MAGIC_regex_global.
+
+for (map { $_ } "a\x{100}", "abc\x{100}", "\x{100}") {
+ chop; # get ("a", "abc", "") in utf8
+ my $return = uc($_) =~ /\G(.?)/g;
+ my $result = $return ? $1 : "not";
+ my $expect = (uc($_) =~ /(.?)/g)[0];
+ is($return, 1, "[perl #38619]");
+ is($result, $expect, "[perl #38619]");
+}
+
+for (map { $_ } "A\x{100}", "ABC\x{100}", "\x{100}") {
+ chop; # get ("A", "ABC", "") in utf8
+ my $return = lc($_) =~ /\G(.?)/g;
+ my $result = $return ? $1 : "not";
+ my $expect = (lc($_) =~ /(.?)/g)[0];
+ is($return, 1, "[perl #38619]");
+ is($result, $expect, "[perl #38619]");
+}
+
+for (1, 4, 9, 16, 25) {
+ is(uc "\x{03B0}" x $_, "\x{3a5}\x{308}\x{301}" x $_,
+ 'uc U+03B0 grows threefold');
+
+ is(lc "\x{0130}" x $_, "i\x{307}" x $_, 'lc U+0130 grows');
+}
+
+# bug #43207
+my $temp = "Hello";
+for ("$temp") {
+ lc $_;
+ is($_, "Hello");
+}