patches/source/perl/10_hash.t


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

X-Git-Url: http://perl5.git.perl.org/perl.git/blobdiff_plain/36a8248953423da007594af6ed330498ef5e3202..9d83adcdf9ab3c1ac7d54d76f3944e57278f0e70:/ext/Hash-Util-FieldHash/t/10_hash.t

diff --git a/ext/Hash-Util-FieldHash/t/10_hash.t b/ext/Hash-Util-FieldHash/t/10_hash.t
index 2cfb4e8..d58f053 100644
--- a/ext/Hash-Util-FieldHash/t/10_hash.t
+++ b/ext/Hash-Util-FieldHash/t/10_hash.t
@@ -38,15 +38,29 @@ use constant START     => "a";
 
 # some initial hash data
 fieldhash my %h2;
-%h2 = map {$_ => 1} 'a'..'cc';
+my $counter= "a";
+$h2{$counter++}++ while $counter ne 'cd';
 
 ok (!Internals::HvREHASH(%h2), 
     "starting with pre-populated non-pathological hash (rehash flag if off)");
 
 my @keys = get_keys(\%h2);
+my $buckets= buckets(\%h2);
 $h2{$_}++ for @keys;
+$h2{$counter++}++ while buckets(\%h2) == $buckets; # force a split
 ok (Internals::HvREHASH(%h2), 
-    scalar(@keys) . " colliding into the same bucket keys are triggering rehash");
+    scalar(@keys) . " colliding into the same bucket keys are triggering rehash after split");
+
+# returns the number of buckets in a hash
+sub buckets {
+    my $hr = shift;
+    my $keys_buckets= scalar(%$hr);
+    if ($keys_buckets=~m!/([0-9]+)\z!) {
+        return 0+$1;
+    } else {
+        return 8;
+    }
+}
 
 sub get_keys {
     my $hr = shift;