Protect against d_cplusplus perls

[perl/modules/Scope-Upper.git] / t / 30-localize_elem-target.t

diff --git a/t/30-localize_elem-target.t b/t/30-localize_elem-target.t
index fe538e40ddb7ff92cfb6be93982f0cfcee2d114f..878670fcba5036a8e1d381b7f14a8d67a282ffec 100644 (file)
--- a/t/30-localize_elem-target.t
+++ b/t/30-localize_elem-target.t
@@ -3,9 +3,9 @@
 use strict;
 use warnings;
 
-use Test::More tests => 21;
+use Test::More tests => 25 + 12;
 
-use Scope::Upper qw/localize_elem/;
+use Scope::Upper qw<localize_elem UP HERE>;
 
 # Arrays
 
@@ -14,37 +14,37 @@ our @a;
 {
  local @a = (4 .. 6);
  {
-  localize_elem '@main::a', 1, 8, 0;
-  is_deeply \@a, [ 4, 8, 6 ], 'localize_elem "@a", 1, 8, 0 [ok]';
+  localize_elem '@main::a', 1, 8 => HERE;
+  is_deeply \@a, [ 4, 8, 6 ], 'localize_elem "@a", 1, 8 => HERE [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 1, 8, 0 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 1, 8 => HERE [end]';
 }
 
 {
  local @a = (4 .. 6);
  {
-  localize_elem '@main::a', 4, 8, 0;
-  is_deeply \@a, [ 4 .. 6, undef, 8 ], 'localize_elem "@a", 4, 8, 0 [ok]';
+  localize_elem '@main::a', 4, 8 => HERE;
+  is_deeply \@a, [ 4 .. 6, undef, 8 ], 'localize_elem "@a", 4, 8 => HERE [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 4, 8, 0 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 4, 8 => HERE [end]';
 }
 
 {
  local @a = (4 .. 6);
  {
-  localize_elem '@main::a', -2, 8, 0;
-  is_deeply \@a, [ 4, 8, 6 ], 'localize_elem "@a", -2, 8, 0 [ok]';
+  localize_elem '@main::a', -2, 8 => HERE;
+  is_deeply \@a, [ 4, 8, 6 ], 'localize_elem "@a", -2, 8 => HERE [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", -2, 8, 0 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", -2, 8 => HERE [end]';
 }
 
 {
  local @a = (4 .. 6);
  {
-  eval { localize_elem '@main::a', -4, 8, 0 };
-  like $@, qr/Modification of non-creatable array value attempted, subscript -4/, 'localize_elem "@a", -4, 8, 0 [ok]';
+  eval { localize_elem '@main::a', -4, 8 => HERE };
+  like $@, qr/Modification of non-creatable array value attempted, subscript -4/, 'localize_elem "@a", -4, 8 => HERE [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", -4, 8, 0 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", -4, 8 => HERE [end]';
 }
 
 {
@@ -52,12 +52,12 @@ our @a;
  {
   local @a = (5 .. 7);
   {
-   localize_elem '@main::a', 1, 12, 1;
-   is_deeply \@a, [ 5 .. 7 ], 'localize_elem "@a", 1, 12, 1 [not yet]';
+   localize_elem '@main::a', 1, 12 => UP;
+   is_deeply \@a, [ 5 .. 7 ], 'localize_elem "@a", 1, 12 => UP [not yet]';
   }
-  is_deeply \@a, [ 5, 12, 7 ], 'localize_elem "@a", 1, 12, 1 [ok]';
+  is_deeply \@a, [ 5, 12, 7 ], 'localize_elem "@a", 1, 12 => UP [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 1, 12, 1 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 1, 12 => UP [end]';
 }
 
 {
@@ -65,12 +65,22 @@ our @a;
  {
   local @a = (5 .. 7);
   {
-   localize_elem '@main::a', 4, 12, 1;
-   is_deeply \@a, [ 5 .. 7 ], 'localize_elem "@a", 4, 12, 1 [not yet]';
+   localize_elem '@main::a', 4, 12 => UP;
+   is_deeply \@a, [ 5 .. 7 ], 'localize_elem "@a", 4, 12 => UP [not yet]';
   }
-  is_deeply \@a, [ 5 .. 7, undef, 12 ], 'localize_elem "@a", 4, 12, 1 [ok]';
+  is_deeply \@a, [ 5 .. 7, undef, 12 ], 'localize_elem "@a", 4, 12 => UP [ok]';
  }
- is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 4, 12, 1 [end]';
+ is_deeply \@a, [ 4 .. 6 ], 'localize_elem "@a", 4, 12 => UP [end]';
+}
+
+{
+ {
+  localize_elem '@nonexistent', 2, 7;
+  is_deeply eval('*nonexistent{ARRAY}'), [ undef, undef, 7 ],
+                             'localize_elem "@nonexistent", 2, 7 => HERE [ok]';
+ }
+ is_deeply eval('*nonexistent{ARRAY}'), [ ],
+                             'localize_elem "@nonexistent", 2, 7 => HERE [end]';
 }
 
 # Hashes
@@ -80,19 +90,19 @@ our %h;
 {
  local %h = (a => 1, b => 2);
  {
-  localize_elem '%main::h', 'a', 3, 0;
-  is_deeply \%h, { a => 3, b => 2 }, 'localize_elem "%h", "a", 3, 0 [ok]';
+  localize_elem '%main::h', 'a', 3 => HERE;
+  is_deeply \%h, { a => 3, b => 2 }, 'localize_elem "%h", "a", 3 => HERE [ok]';
  }
- is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "a", 3, 0 [end]';
+ is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "a", 3 => HERE [end]';
 }
 
 {
  local %h = (a => 1, b => 2);
  {
-  localize_elem '%main::h', 'c', 3, 0;
-  is_deeply \%h, { a => 1, b => 2, c => 3 }, 'localize_elem "%h", "c", 3, 0 [ok]';
+  localize_elem '%main::h', 'c', 3 => HERE;
+  is_deeply \%h, { a => 1, b => 2, c => 3 }, 'localize_elem "%h", "c", 3 => HERE [ok]';
  }
- is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "c", 3, 0 [end]';
+ is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "c", 3 => HERE [end]';
 }
 
 {
@@ -100,11 +110,103 @@ our %h;
  {
   local %h = (a => 3, c => 4);
   {
-   localize_elem '%main::h', 'a', 5, 1;
-   is_deeply \%h, { a => 3, c => 4 }, 'localize_elem "%h", "a", 5, 1 [not yet]';
+   localize_elem '%main::h', 'a', 5 => UP;
+   is_deeply \%h, { a => 3, c => 4 }, 'localize_elem "%h", "a", 5 => UP [not yet]';
   }
-  is_deeply \%h, { a => 5, c => 4 }, 'localize_elem "%h", "a", 5, 1 [ok]';
+  is_deeply \%h, { a => 5, c => 4 }, 'localize_elem "%h", "a", 5 => UP [ok]';
+ }
+ is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "a", 5 => UP [end]';
+}
+
+{
+ {
+  localize_elem '%nonexistent', 'a', 13;
+  is_deeply eval('*nonexistent{HASH}'), { a => 13 },
+                          'localize_elem "%nonexistent", "a", 13 => HERE [ok]';
  }
- is_deeply \%h, { a => 1, b => 2 }, 'localize_elem "%h", "a", 5, 1 [end]';
+ is_deeply eval('*nonexistent{HASH}'), { },
+                          'localize_elem "%nonexistent", "a", 13 => HERE [end]';
+}
+
+# Invalid
+
+my $invalid_glob = qr/^Can't infer the element localization type from a glob and the value/;
+my $invalid_type = qr/^Can't localize an element of something that isn't an array or a hash/;
+
+{
+ local *x;
+
+ eval { localize_elem '$x', 0, 1 };
+ like $@, $invalid_type, 'invalid localize_elem "$x", 0, 1';
+}
+
+{
+ local *x;
+
+ eval { localize_elem '&x', 0, sub { } };
+ like $@, $invalid_type, 'invalid localize_elem "&x", 0, sub { }';
+}
+
+{
+ local *x;
+
+ eval { localize_elem '*x', 0, \1 };
+ like $@, $invalid_type, 'invalid localize_elem "*x", 0, \1';
+}
+
+{
+ local *x;
+
+ eval { localize_elem *x, 0, \1 };
+ like $@, $invalid_glob, 'invalid localize_elem *x, 0, \1';
 }
 
+{
+ local *x;
+
+ eval { localize_elem *x, 0, [ 1 ] };
+ like $@, $invalid_glob, 'invalid localize_elem *x, 0, [ 1 ]';
+}
+
+{
+ local *x;
+
+ eval { localize_elem *x, 0, { a => 1 } };
+ like $@, $invalid_glob, 'invalid localize_elem *x, 0, { a => 1 }';
+}
+
+{
+ local *x;
+
+ eval { localize_elem *x, 0, sub { } };
+ like $@, $invalid_glob, 'invalid localize_elem *x, 0, sub { }';
+}
+
+{
+ local *x;
+
+ eval { localize_elem *x, 0, *x };
+ like $@, $invalid_glob, 'invalid localize_elem *x, 0, *x';
+}
+
+sub invalid_ref { qr/^Invalid \Q$_[0]\E reference as the localization target/ }
+
+{
+ eval { localize_elem \1, 0, 0 => HERE };
+ like $@, invalid_ref('SCALAR'), 'invalid localize_elem \1, 0, 0 => HERE';
+}
+
+{
+ eval { localize_elem [ ], 0, 0 => HERE };
+ like $@, invalid_ref('ARRAY'),  'invalid localize_elem [ ], 0, 0 => HERE';
+}
+
+{
+ eval { localize_elem { }, 0, 0 => HERE };
+ like $@, invalid_ref('HASH'),   'invalid localize_elem { }, 0, 0 => HERE';
+}
+
+{
+ eval { localize_elem sub { }, 0, 0 => HERE };
+ like $@, invalid_ref('CODE'),   'invalid localize_elem sub { }, 0, 0 => HERE';
+}