Make C<undef ~~ 0> and C<undef ~~ ""> not match (like in 5.10.0)
[p5sagit/p5-mst-13.2.git] / t / op / smartmatch.t
index 3f0d305..cb0e656 100644 (file)
@@ -6,11 +6,18 @@ BEGIN {
     require './test.pl';
 }
 use strict;
+use warnings;
+no warnings 'uninitialized';
 
 use Tie::Array;
 use Tie::Hash;
+use Tie::RefHash;
 
 # Predeclare vars used in the tests:
+my @empty;
+my %empty;
+my @sparse; $sparse[2] = 2;
+
 my $deep1 = []; push @$deep1, \$deep1;
 my $deep2 = []; push @$deep2, \$deep2;
 
@@ -28,13 +35,34 @@ tie my %tied_hash, 'Tie::StdHash';
 }
 
 {
-    package Test::Object::CopyOverload;
-    sub new { bless { key => 'magic' } }
-    use overload '~~' => sub { my %hash = %{ $_[0] }; $_[1] eq $hash{key} };
+    package Test::Object::StringOverload;
+    use overload '""' => sub { "object" }, fallback => 1;
+    sub new { bless { key => 1 } }
+}
+
+{
+    package Test::Object::WithOverload;
+    sub new { bless { key => ($_[1] // 'magic') } }
+    use overload '~~' => sub {
+       my %hash = %{ $_[0] };
+       if ($_[2]) { # arguments reversed ?
+           return $_[1] eq reverse $hash{key};
+       }
+       else {
+           return $_[1] eq $hash{key};
+       }
+    };
+    use overload '""' => sub { "stringified" };
+    use overload 'eq' => sub {"$_[0]" eq "$_[1]"};
 }
 
-our $ov_obj = Test::Object::CopyOverload->new;
+our $ov_obj = Test::Object::WithOverload->new;
+our $ov_obj_2 = Test::Object::WithOverload->new("object");
 our $obj = Test::Object::NoOverload->new;
+our $str_obj = Test::Object::StringOverload->new;
+
+tie my %refh, 'Tie::RefHash';
+$refh{$ov_obj} = 1;
 
 my @keyandmore = qw(key and more);
 my @fooormore = qw(foo or more);
@@ -42,7 +70,7 @@ my %keyandmore = map { $_ => 0 } @keyandmore;
 my %fooormore = map { $_ => 0 } @fooormore;
 
 # Load and run the tests
-plan "no_plan";
+plan tests => 322;
 
 while (<DATA>) {
     next if /^#/ || !/\S/;
@@ -56,7 +84,13 @@ while (<DATA>) {
     my $tstr = "$left ~~ $right";
 
     test_again:
-    my $res = eval $tstr;
+    my $res;
+    if ($note =~ /NOWARNINGS/) {
+       $res = eval "no warnings; $tstr";
+    }
+    else {
+       $res = eval $tstr;
+    }
 
     chomp $@;
 
@@ -140,15 +174,19 @@ __DATA__
 
 # Any ~~ object overloaded
 !      \&fatal         $ov_obj
-       'magic'         $ov_obj
-!      'not magic'     $ov_obj
+       'cigam'         $ov_obj
+!      'cigam on'      $ov_obj
+!      ['cigam']       $ov_obj
+!      ['stringified'] $ov_obj
+!      { cigam => 1 }  $ov_obj
+!      { stringified => 1 }    $ov_obj
 !      $obj            $ov_obj
 !      undef           $ov_obj
 
 # regular object
 @      $obj            $obj
-@      $ov_obj         $obj    TODO
-@      \&fatal         $obj
+@      $ov_obj         $obj
+=@     \&fatal         $obj
 @      \&FALSE         $obj
 @      \&foo           $obj
 @      sub { 1 }       $obj
@@ -162,8 +200,34 @@ __DATA__
 @      "key"           $obj
 @      FALSE           $obj
 
+# regular object with "" overload
+@      $obj            $str_obj
+=@     \&fatal         $str_obj
+@      \&FALSE         $str_obj
+@      \&foo           $str_obj
+@      sub { 1 }       $str_obj
+@      sub { 0 }       $str_obj
+@      %keyandmore     $str_obj
+@      {"object" => 1} $str_obj
+@      @fooormore      $str_obj
+@      ["object" => 1] $str_obj
+@      /object/        $str_obj
+@      qr/object/      $str_obj
+@      "object"        $str_obj
+@      FALSE           $str_obj
+# Those will treat the $str_obj as a string because of fallback:
+!      $ov_obj         $str_obj
+       $ov_obj_2       $str_obj
+
 # object (overloaded or not) ~~ Any
-# TODO
+       $obj            qr/NoOverload/
+       $ov_obj         qr/^stringified$/
+=      "$ov_obj"       "stringified"
+=      "$str_obj"      "object"
+!=     $ov_obj         "stringified"
+       $str_obj        "object"
+       $ov_obj         'magic'
+!      $ov_obj         'not magic'
 
 # ~~ Coderef
        sub{0}          sub { ref $_[0] eq "CODE" }
@@ -189,15 +253,21 @@ __DATA__
 !      0               sub{shift}
 !      undef           sub{shift}
        undef           sub{not shift}
+       NOT_DEF         sub{not shift}
+       &NOT_DEF        sub{not shift}
        FALSE           sub{not shift}
        [1]             \&bar
        {a=>1}          \&bar
        qr//            \&bar
 !      [1]             \&foo
 !      {a=>1}          \&foo
+       $obj            sub { ref($_[0]) =~ /NoOverload/ }
+       $ov_obj         sub { ref($_[0]) =~ /WithOverload/ }
 # empty stuff matches, because the sub is never called:
        []              \&foo
        {}              \&foo
+       @empty          \&foo
+       %empty          \&foo
 !      qr//            \&foo
 !      undef           \&foo
        undef           \&bar
@@ -210,6 +280,11 @@ __DATA__
 # sub is not called on empty hashes / arrays
        []              \&fatal
        +{}             \&fatal
+       @empty          \&fatal
+       %empty          \&fatal
+# sub is not special on the left
+       sub {0}         qr/^CODE/
+       sub {0}         sub { ref shift eq "CODE" }
 
 # HASH ref against:
 #   - another hash ref
@@ -217,36 +292,67 @@ __DATA__
 =!     {}              {1 => 2}
        {1 => 2}        {1 => 2}
        {1 => 2}        {1 => 3}
-!      {1 => 2}        {2 => 3}
-       \%main::        {map {$_ => 'x'} keys %main::}
+=!     {1 => 2}        {2 => 3}
+=      \%main::        {map {$_ => 'x'} keys %main::}
 
 #  - tied hash ref
 =      \%hash          \%tied_hash
        \%tied_hash     \%tied_hash
+!=     {"a"=>"b"}      \%tied_hash
+=      %hash           %tied_hash
+       %tied_hash      %tied_hash
+!=     {"a"=>"b"}      %tied_hash
+       $ov_obj         %refh
+!      "$ov_obj"       %refh
+       [$ov_obj]       %refh
+!      ["$ov_obj"]     %refh
+       %refh           %refh
 
 #  - an array ref
-       [keys %main::]  \%::
-!      []              \%::
-!      [""]            {}
-!      []              {}
-       [undef]         {"" => 1}
-       [""]            {"" => 1}
-       ["foo"]         { foo => 1 }
-       ["foo", "bar"]  { foo => 1 }
-       ["foo", "bar"]  \%hash
-       ["foo"]         \%hash
-!      ["quux"]        \%hash
-       [qw(foo quux)]  \%hash
+#  (since this is symmetrical, tests as well hash~~array)
+=      [keys %main::]  \%::
+=      [qw[STDIN STDOUT]]      \%::
+=!     []              \%::
+=!     [""]            {}
+=!     []              {}
+=!     @empty          {}
+=      [undef]         {"" => 1}
+=      [""]            {"" => 1}
+=      ["foo"]         { foo => 1 }
+=      ["foo", "bar"]  { foo => 1 }
+=      ["foo", "bar"]  \%hash
+=      ["foo"]         \%hash
+=!     ["quux"]        \%hash
+=      [qw(foo quux)]  \%hash
+=      @fooormore      { foo => 1, or => 2, more => 3 }
+=      @fooormore      %fooormore
+=      @fooormore      \%fooormore
+=      \@fooormore     %fooormore
 
 #  - a regex
-       qr/^(fo[ox])$/          {foo => 1}
-!      qr/[13579]$/            +{0..99}
-!      qr/a*/                  {}
-       qr/a*/                  {b=>2}
-
-#  - a string
+=      qr/^(fo[ox])$/          {foo => 1}
+=      /^(fo[ox])$/            %fooormore
+=!     qr/[13579]$/            +{0..99}
+=!     qr/a*/                  {}
+=      qr/a*/                  {b=>2}
+=      qr/B/i                  {b=>2}
+=      /B/i                    {b=>2}
+=!     qr/a+/                  {b=>2}
+=      qr/^à/                 {"à"=>2}
+
+#  - a scalar
        "foo"           +{foo => 1, bar => 2}
+       "foo"           %fooormore
 !      "baz"           +{foo => 1, bar => 2}
+!      "boz"           %fooormore
+!      1               +{foo => 1, bar => 2}
+!      1               %fooormore
+       1               { 1 => 3 }
+       1.0             { 1 => 3 }
+!      "1.0"           { 1 => 3 }
+!      "1.0"           { 1.0 => 3 }
+       "1.0"           { "1.0" => 3 }
+       "à"            { "à" => "À" }
 
 #  - undef
 !      undef           { hop => 'zouu' }
@@ -258,27 +364,38 @@ __DATA__
 #  - another array ref
        []                      []
 =!     []                      [1]
-!      [["foo"], ["bar"]]      [qr/o/, qr/a/]
-       [["foo"], ["bar"]]      [qr/ARRAY/, qr/ARRAY/]
+       [["foo"], ["bar"]]      [qr/o/, qr/a/]
+!      [["foo"], ["bar"]]      [qr/ARRAY/, qr/ARRAY/]
        ["foo", "bar"]          [qr/o/, qr/a/]
+!      [qr/o/, qr/a/]          ["foo", "bar"]
        ["foo", "bar"]          [["foo"], ["bar"]]
 !      ["foo", "bar"]          [qr/o/, "foo"]
        ["foo", undef, "bar"]   [qr/o/, undef, "bar"]
-       ["foo", undef, "bar"]   [qr/o/, "",    "bar"]
+!      ["foo", undef, "bar"]   [qr/o/, "",    "bar"]
 !      ["foo", "", "bar"]      [qr/o/, undef, "bar"]
        $deep1                  $deep1
+       @$deep1                 @$deep1
 !      $deep1                  $deep2
 
-       \@nums                  \@tied_nums
+=      \@nums                  \@tied_nums
+=      @nums                   \@tied_nums
+=      \@nums                  @tied_nums
+=      @nums                   @tied_nums
+
+#  - an object
+!      $obj            @fooormore
+       $obj            [sub{ref shift}]
 
 #  - a regex
-       qr/x/           [qw(foo bar baz quux)]
-!      qr/y/           [qw(foo bar baz quux)]
-       /x/             [qw(foo bar baz quux)]
-!      /y/             [qw(foo bar baz quux)]
+=      qr/x/           [qw(foo bar baz quux)]
+=!     qr/y/           [qw(foo bar baz quux)]
+=      /x/             [qw(foo bar baz quux)]
+=!     /y/             [qw(foo bar baz quux)]
+=      /FOO/i          @fooormore
+=!     /bar/           @fooormore
 
 # - a number
-       2               [qw(1foo 2bar)]
+       2               [qw(1.00 2.00)]
        2               [qw(foo 2)]
        2.0_0e+0        [qw(foo 2)]
 !      2               [qw(1foo bar2)]
@@ -287,20 +404,40 @@ __DATA__
 !      "2"             [qw(1foo 2bar)]
        "2bar"          [qw(1foo 2bar)]
 
+# - undef
+       undef           [1, 2, undef, 4]
+!      undef           [1, 2, [undef], 4]
+!      undef           @fooormore
+       undef           @sparse
+       undef           [undef]
+!      0               [undef]
+!      ""              [undef]
+!      undef           [0]
+!      undef           [""]
+
+# - nested arrays and ~~ distributivity
+       11              [[11]]
+!      11              [[12]]
+       "foo"           [{foo => "bar"}]
+!      "bar"           [{foo => "bar"}]
+
 # Number against number
        2               2
        20              2_0
 !      2               3
        0               FALSE
        3-2             TRUE
-       undef           0
+!      undef           0
+!      (my $u)         0
 
 # Number against string
 =      2               "2"
 =      2               "2.0"
 !      2               "2bananas"
-!=     2_3             "2_3"
+!=     2_3             "2_3"           NOWARNINGS
        FALSE           "0"
+!      undef           "0"
+!      undef           ""
 
 # Regex against string
        "x"             qr/x/
@@ -310,7 +447,7 @@ __DATA__
        12345           qr/3/
 !      12345           qr/7/
 
-# array against string
+# array/hash against string
        @fooormore      "".\@fooormore
 !      @keyandmore     "".\@fooormore
        %fooormore      "".\%fooormore