Add a readonly check to Perl_sv_utf8_upgrade_flags, a regresion test

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

diff --git a/t/op/utfhash.t b/t/op/utfhash.t
index 54f77bb..33909c0 100644 (file)
--- a/t/op/utfhash.t
+++ b/t/op/utfhash.t
@@ -1,11 +1,15 @@
+#!./perl -w
+
 BEGIN {
     chdir 't' if -d 't';
     @INC = '../lib';
     require './test.pl';
 
-    plan(tests => 37);
+    plan(tests => 97);
 }
 
+use strict;
+
 # Two hashes one will all keys 8-bit possible (initially), other
 # with a utf8 requiring key from the outset.
 
@@ -28,8 +32,9 @@ is($hashu{"\xff"},0xFF);
 is($hashu{"\x7f"},0x7F);
 
 # Now try same thing with variables forced into various forms.
-foreach my $a ("\x7f","\xff")
+foreach ("\x7f","\xff")
  {
+  my $a = $_; # Force a copy
   utf8::upgrade($a);
   is($hash8{$a},ord($a));
   is($hashu{$a},ord($a));
@@ -52,8 +57,9 @@ $hash8{chr(0x1ff)} = 0x1ff;
 # Check we have not got an spurious extra keys
 is(join('',sort { ord $a <=> ord $b } keys %hash8),"\x7f\xff\x{1ff}");
 
-foreach my $a ("\x7f","\xff","\x{1ff}")
+foreach ("\x7f","\xff","\x{1ff}")
  {
+  my $a = $_;
   utf8::upgrade($a);
   is($hash8{$a},ord($a));
   my $b = $a.chr(100);
@@ -65,8 +71,9 @@ foreach my $a ("\x7f","\xff","\x{1ff}")
 is(delete $hashu{chr(0x1ff)},0x1ff);
 is(join('',sort keys %hashu),"\x7f\xff");
 
-foreach my $a ("\x7f","\xff")
+foreach ("\x7f","\xff")
  {
+  my $a = $_;
   utf8::upgrade($a);
   is($hashu{$a},ord($a));
   utf8::downgrade($a);
@@ -77,3 +84,105 @@ foreach my $a ("\x7f","\xff")
  }
 
 
+
+{
+  print "# Unicode hash keys and \\w\n";
+  # This is not really a regex test but regexes bring
+  # out the issue nicely.
+  use strict;
+  my $u3 = "f\x{df}\x{100}";
+  my $u2 = substr($u3,0,2);
+  my $u1 = substr($u2,0,1);
+  my $u0 = chr (0xdf)x4; # Make this 4 chars so that all lengths are distinct.
+
+  my @u = ($u0, $u1, $u2, $u3);
+
+  while (@u) {
+    my %u = (map {( $_, $_)} @u);
+    my $keys = scalar @u;
+    $keys .= ($keys == 1) ? " key" : " keys";
+
+    for (keys %u) {
+        my $l = 0 + /^\w+$/;
+        my $r = 0 + $u{$_} =~ /^\w+$/;
+       is ($l, $r, "\\w on keys with $keys, key of length " . length $_);
+    }
+
+    my $more;
+    do {
+      $more = 0;
+      # Want to do this direct, rather than copying to a temporary variable
+      # The first time each will return key and value at the start of the hash.
+      # each will return () after we've done the last pair. $more won't get
+      # set then, and the do will exit.
+      for (each %u) {
+        $more = 1;
+        my $l = 0 + /^\w+$/;
+        my $r = 0 + $u{$_} =~ /^\w+$/;
+        is ($l, $r, "\\w on each, with $keys, key of length " . length $_);
+      }
+    } while ($more);
+
+    for (%u) {
+      my $l = 0 + /^\w+$/;
+      my $r = 0 + $u{$_} =~ /^\w+$/;
+      is ($l, $r, "\\w on hash with $keys, key of length " . length $_);
+    }
+    pop @u;
+    undef %u;
+  }
+}
+
+{
+  my $utf8_sz = my $bytes_sz = "\x{df}";
+  $utf8_sz .= chr 256;
+  chop ($utf8_sz);
+
+  my (%bytes_first, %utf8_first);
+
+  $bytes_first{$bytes_sz} = $bytes_sz;
+
+  for (keys %bytes_first) {
+    my $l = 0 + /^\w+$/;
+    my $r = 0 + $bytes_first{$_} =~ /^\w+$/;
+    is ($l, $r, "\\w on each, bytes");
+  }
+
+  $bytes_first{$utf8_sz} = $utf8_sz;
+
+  for (keys %bytes_first) {
+    my $l = 0 + /^\w+$/;
+    my $r = 0 + $bytes_first{$_} =~ /^\w+$/;
+    is ($l, $r, "\\w on each, bytes now utf8");
+  }
+
+  $utf8_first{$utf8_sz} = $utf8_sz;
+
+  for (keys %utf8_first) {
+    my $l = 0 + /^\w+$/;
+    my $r = 0 + $utf8_first{$_} =~ /^\w+$/;
+    is ($l, $r, "\\w on each, utf8");
+  }
+
+  $utf8_first{$bytes_sz} = $bytes_sz;
+
+  for (keys %utf8_first) {
+    my $l = 0 + /^\w+$/;
+    my $r = 0 + $utf8_first{$_} =~ /^\w+$/;
+    is ($l, $r, "\\w on each, utf8 now bytes");
+  }
+
+}
+
+{
+  # See if utf8 barewords work [perl #22969]
+  use utf8;
+  my %hash = (тест => 123);
+  is($hash{тест}, $hash{'тест'});
+  is($hash{тест}, 123);
+  is($hash{'тест'}, 123);
+  %hash = (тест => 123);
+  is($hash{тест}, $hash{'тест'});
+  is($hash{тест}, 123);
+  is($hash{'тест'}, 123);
+}