Don't use grep in scalar context

[perl5.git] / lib / charnames.t

diff --git a/lib/charnames.t b/lib/charnames.t
index 3502b74..d013907 100644 (file)
--- a/lib/charnames.t
+++ b/lib/charnames.t
@@ -15,7 +15,7 @@ require File::Spec;
 
 $| = 1;
 
-print "1..73\n";
+print "1..78\n";
 
 use charnames ':full';
 
@@ -61,7 +61,7 @@ else { # EBCDIC where UTF-EBCDIC may be used (this may be 1047 specific since
 }
 
 sub to_bytes {
-    pack"a*", shift;
+    unpack"U0a*", shift;
 }
 
 {
@@ -328,6 +328,37 @@ for (@prgs) {
     1 while unlink $alifile;
     }
 
+# [perl #30409] charnames.pm clobbers default variable
+$_ = 'foobar';
+eval "use charnames ':full';";
+print "not " unless $_ eq 'foobar';
+print "ok 74\n";
+
+# Unicode slowdown noted by Phil Pennock, traced to a bug fix in index
+# SADAHIRO Tomoyuki's suggestion is to ensure that the UTF-8ness of both
+# arguments are indentical before calling index.
+# To do this can take advantage of the fact that unicore/Name.pl is 7 bit
+# (or at least should be). So assert that that it's true here.
+
+my $names = do "unicore/Name.pl";
+print defined $names ? "ok 75\n" : "not ok 75\n";
+if (ord('A') == 65) { # as on ASCII or UTF-8 machines
+  my $non_ascii = $names =~ tr/\0-\177//c;
+  print $non_ascii ? "not ok 76 # $non_ascii\n" : "ok 76\n";
+} else {
+  print "ok 76\n";
+}
+
+# Verify that charnames propagate to eval("")
+my $evaltry = eval q[ "Eval: \N{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}" ];
+if ($@) {
+    print "# $@not ok 77\nnot ok 78\n";
+} else {
+    print "ok 77\n";
+    print "not " unless $evaltry eq "Eval: \N{LEFT-POINTING DOUBLE ANGLE QUOTATION MARK}";
+    print "ok 78\n";
+}
+
 __END__
 # unsupported pragma
 use charnames ":scoobydoo";