Importing Variable-Magic-0.09.tar.gz

[perl/modules/Variable-Magic.git] / t / 11-multiple.t

diff --git a/t/11-multiple.t b/t/11-multiple.t
index 9ca06793e8df925895bfad934dc97d0e15a4a0b2..fc68cf22b04716f1179c22423d85e700d7377d8f 100644 (file)
--- a/t/11-multiple.t
+++ b/t/11-multiple.t
@@ -1,8 +1,11 @@
 #!perl -T
 
-use Test::More tests => 33;
+use strict;
+use warnings;
 
-use Variable::Magic qw/wizard cast dispell/;
+use Test::More tests => 33 + 24;
+
+use Variable::Magic qw/wizard cast dispell VMG_UVAR/;
 
 my $n = 3;
 my @w;
@@ -10,9 +13,9 @@ my @c = (0) x $n;
 
 sub multi {
  my ($cb, $tests) = @_;
- for (local $i = 0; $i < $n; ++$i) {
-  my $res = eval { $cb->() };
-  $tests->($res, $@);
+ for (my $i = 0; $i < $n; ++$i) {
+  my $res = eval { $cb->($i) };
+  $tests->($i, $res, $@);
  }
 }
 
@@ -24,9 +27,10 @@ eval { $w[2] = wizard get => sub { ++$c[2] }, set => sub { --$c[2] } };
 ok(!$@, "wizard 2 creation error ($@)");
 
 multi sub {
+ my ($i) = @_;
  $w[$i]
 }, sub {
- my ($res, $err) = @_;
+ my ($i, $res, $err) = @_;
  ok(defined $res, "wizard $i is defined");
  ok(ref($w[$i]) eq 'SCALAR', "wizard $i is a scalar ref");
 };
@@ -34,11 +38,12 @@ multi sub {
 my $a = 0;
 
 multi sub {
+ my ($i) = @_;
  cast $a, $w[$i];
 }, sub {
- my ($res, $err) = @_;
- ok(!$err, "cast magic $i error 1 ($err)");
- ok($res, "cast magic $i error 2");
+ my ($i, $res, $err) = @_;
+ ok(!$err, "cast magic $i croaks ($err)");
+ ok($res, "cast magic $i invalid");
 };
 
 my $b = $a;
@@ -48,8 +53,8 @@ $a = 1;
 for (0 .. $n - 1) { ok($c[$_] == 0, "set magic $_"); }
 
 my $res = eval { dispell $a, $w[1] };
-ok(!$@, "dispell magic 1 error 1 ($@)");
-ok($res, 'dispell magic 1 error 2');
+ok(!$@, "dispell magic 1 croaks ($@)");
+ok($res, 'dispell magic 1 invalid');
 
 $b = $a;
 for (0, 2) { ok($c[$_] == 1, "get magic $_ after dispelled 1"); }
@@ -58,8 +63,8 @@ $a = 2;
 for (0, 2) { ok($c[$_] == 0, "set magic $_ after dispelled 1"); }
 
 $res = eval { dispell $a, $w[0] };
-ok(!$@, "dispell magic 0 error 1 ($@)");
-ok($res, 'dispell magic 0 error 2');
+ok(!$@, "dispell magic 0 croaks ($@)");
+ok($res, 'dispell magic 0 invalid');
 
 $b = $a;
 ok($c[2] == 1, 'get magic 2 after dispelled 1 & 0');
@@ -68,5 +73,61 @@ $a = 3;
 ok($c[2] == 0, 'set magic 2 after dispelled 1 & 0');
 
 $res = eval { dispell $a, $w[2] };
-ok(!$@, "dispell magic 2 error 1 ($@)");
-ok($res, 'dispell magic 2 error 2');
+ok(!$@, "dispell magic 2 croaks ($@)");
+ok($res, 'dispell magic 2 invalid');
+
+SKIP: {
+ skip 'No nice uvar magic for this perl', 24 unless VMG_UVAR;
+
+ $n = 2;
+ @c = (0) x $n;
+
+ eval { $w[0] = wizard fetch => sub { ++$c[0] }, store => sub { --$c[0] } };
+ ok(!$@, "wizard with uvar 0 creation error ($@)");
+ eval { $w[1] = wizard fetch => sub { ++$c[1] }, store => sub { --$c[1] } };
+ ok(!$@, "wizard with uvar 1 creation error ($@)");
+
+ multi sub {
+  my ($i) = @_;
+  $w[$i]
+ }, sub {
+  my ($i, $res, $err) = @_;
+  ok(defined $res, "wizard with uvar $i is defined");
+  ok(ref($w[$i]) eq 'SCALAR', "wizard with uvar $i is a scalar ref");
+ };
+
+ my %h = (a => 1, b => 2);
+
+ multi sub {
+  my ($i) = @_;
+  cast %h, $w[$i];
+ }, sub {
+  my ($i, $res, $err) = @_;
+  ok(!$err, "cast uvar magic $i croaks ($err)");
+  ok($res, "cast uvar magic $i invalid");
+ };
+
+ my $s = $h{a};
+ ok($s == 1, 'fetch magic doesn\'t clobber');
+ for (0 .. $n - 1) { ok($c[$_] == 1, "fetch magic $_"); }
+
+ $h{a} = 3;
+ for (0 .. $n - 1) { ok($c[$_] == 0, "store magic $_"); }
+ ok($h{a} == 3, 'store magic doesn\'t clobber'); # $c[$_] == 1 for 0 .. 1
+
+ my $res = eval { dispell %h, $w[1] };
+ ok(!$@, "dispell uvar magic 1 croaks ($@)");
+ ok($res, 'dispell uvar magic 1 invalid');
+
+ $s = $h{b};
+ ok($s == 2, 'fetch magic after dispelled 1 doesn\'t clobber');
+ for (0) { ok($c[$_] == 2, "fetch magic $_ after dispelled 1"); }
+ 
+ $h{b} = 4;
+ for (0) { ok($c[$_] == 1, "store magic $_ after dispelled 1"); }
+ ok($h{b} == 4, 'store magic doesn\'t clobber'); # $c[$_] == 2 for 0
+
+ $res = eval { dispell %h, $w[0] };
+ ok(!$@, "dispell uvar magic 0 croaks ($@)");
+ ok($res, 'dispell uvar magic 0 invalid');
+}