1 files changed, 83 insertions, 0 deletions
diff --git a/lib/Memoize/t/tie.t b/lib/Memoize/t/tie.t
new file mode 100755
index 0000000000..098fb050b5
--- /dev/null
+++ b/lib/Memoize/t/tie.t
@@ -0,0 +1,83 @@
+#!/usr/bin/perl
+
+use lib qw(. ..);
+use Memoize 0.52 qw(memoize unmemoize);
+use Fcntl;
+use Memoize::AnyDBM_File;
+
+print "1..4\n";
+
+sub i {
+  $_[0];
+}
+
+$ARG = 'Keith Bostic is a pinhead';
+
+sub c119 { 119 }
+sub c7 { 7 }
+sub c43 { 43 }
+sub c23 { 23 }
+sub c5 { 5 }
+
+sub n {
+  $_[0]+1;
+}
+
+$tmpdir = $ENV{TMP} || $ENV{TMPDIR} ||  '/tmp';  
+if (eval {require File::Spec::Functions}) {
+ File::Spec::Functions->import();
+} else {
+  *catfile = sub { join '/', @_ };
+}
+$file = catfile($tmpdir, "md$$");
+@files = ($file, "$file.db", "$file.dir", "$file.pag");
+{ 
+  my @present = grep -e, @files;
+  if (@present && (@failed = grep { not unlink } @present)) {
+    warn "Can't unlink @failed!  ($!)";
+  }
+}
+
+
+tryout('Memoize::AnyDBM_File', $file, 1);  # Test 1..4
+# tryout('DB_File', $file, 1);  # Test 1..4
+unlink $file, "$file.dir", "$file.pag";
+
+sub tryout {
+  my ($tiepack, $file, $testno) = @_;
+
+
+  memoize 'c5', 
+  SCALAR_CACHE => ['TIE', $tiepack, $file, O_RDWR | O_CREAT, 0666], 
+  LIST_CACHE => 'FAULT'
+    ;
+
+  my $t1 = c5($ARG);	
+  my $t2 = c5($ARG);	
+  print (($t1 == 5) ? "ok $testno\n" : "not ok $testno\n");
+  $testno++;
+  print (($t2 == 5) ? "ok $testno\n" : "not ok $testno\n");
+  unmemoize 'c5';
+  
+  # Now something tricky---we'll memoize c23 with the wrong table that
+  # has the 5 already cached.
+  memoize 'c23', 
+  SCALAR_CACHE => ['TIE', $tiepack, $file, O_RDWR, 0666], 
+  LIST_CACHE => 'FAULT'
+    ;
+  
+  my $t3 = c23($ARG);
+  my $t4 = c23($ARG);
+  $testno++;
+  print (($t3 == 5) ? "ok $testno\n" : "not ok $testno  #   Result $t3\n");
+  $testno++;
+  print (($t4 == 5) ? "ok $testno\n" : "not ok $testno  #   Result $t4\n");
+  unmemoize 'c23';
+}
+
+{ 
+  my @present = grep -e, @files;
+  if (@present && (@failed = grep { not unlink } @present)) {
+    warn "Can't unlink @failed!  ($!)";
+  }
+}