Really check that sysread(I, $x, 1, -4) dies with "Offset outside string"
[p5sagit/p5-mst-13.2.git] / t / op / smartmatch.t
index adf1c50..33836b3 100644 (file)
@@ -6,11 +6,18 @@ BEGIN {
     require './test.pl';
 }
 use strict;
+use warnings;
+no warnings 'uninitialized';
 
 use Tie::Array;
 use Tie::Hash;
+use if !$ENV{PERL_CORE_MINITEST}, "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 +35,37 @@ tie my %tied_hash, 'Tie::StdHash';
 }
 
 {
-    package Test::Object::CopyOverload;
+    package Test::Object::StringOverload;
+    use overload '""' => sub { "object" }, fallback => 1;
     sub new { bless { key => 1 } }
-    use overload '~~' => sub { my %hash = %{ $_[0] }; %hash ~~ $_[1] };
 }
 
-our $ov_obj = Test::Object::CopyOverload->new;
+{
+    package Test::Object::WithOverload;
+    sub new { bless { key => ($_[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::WithOverload->new;
+our $ov_obj_2 = Test::Object::WithOverload->new("object");
 our $obj = Test::Object::NoOverload->new;
+our $str_obj = Test::Object::StringOverload->new;
+
+my %refh;
+if (!$ENV{PERL_CORE_MINITEST}) {
+    tie %refh, 'Tie::RefHash';
+    $refh{$ov_obj} = 1;
+}
 
 my @keyandmore = qw(key and more);
 my @fooormore = qw(foo or more);
@@ -42,9 +73,10 @@ my %keyandmore = map { $_ => 0 } @keyandmore;
 my %fooormore = map { $_ => 0 } @fooormore;
 
 # Load and run the tests
-plan "no_plan";
+plan tests => 322;
 
 while (<DATA>) {
+  SKIP: {
     next if /^#/ || !/\S/;
     chomp;
     my ($yn, $left, $right, $note) = split /\t+/;
@@ -56,7 +88,16 @@ while (<DATA>) {
     my $tstr = "$left ~~ $right";
 
     test_again:
-    my $res = eval $tstr;
+    my $res;
+    if ($note =~ /NOWARNINGS/) {
+       $res = eval "no warnings; $tstr";
+    }
+    elsif ($note =~ /MINISKIP/ && $ENV{PERL_CORE_MINITEST}) {
+       skip("Doesn't work with miniperl", $yn =~ /=/ ? 2 : 1);
+    }
+    else {
+       $res = eval $tstr;
+    }
 
     chomp $@;
 
@@ -77,10 +118,9 @@ while (<DATA>) {
        $tstr = "$right ~~ $left";
        goto test_again;
     }
+  }
 }
 
-
-
 sub foo {}
 sub bar {42}
 sub gorch {42}
@@ -89,6 +129,7 @@ sub fatal {die "fatal sub\n"}
 # to test constant folding
 sub FALSE() { 0 }
 sub TRUE() { 1 }
+sub NOT_DEF() { undef }
 
 # Prefix character :
 #   - expected to match
@@ -136,52 +177,65 @@ __DATA__
 !      !1              undef
        undef           undef
        (my $u)         undef
+       NOT_DEF         undef
+       &NOT_DEF        undef
 
 # Any ~~ object overloaded
-# object overloaded ~~ Any
-       $ov_obj         $ov_obj
-=@     $ov_obj         \&fatal
-=!     $ov_obj         \&FALSE
-=      $ov_obj         \&TRUE
-=!     $ov_obj         \&foo
-=      $ov_obj         \&bar
-=      $ov_obj         sub { shift ~~ "key" }
-=!     $ov_obj         sub { shift ne "key" }
-=!     $ov_obj         sub { shift ~~ "foo" }
-=      $ov_obj         %keyandmore                     TODO
-=!     $ov_obj         %fooormore
-=      $ov_obj         {"key" => 1}
-=      $ov_obj         {"key" => 1, bar => 2}          TODO
-=!     $ov_obj         {"foo" => 1}
-=      $ov_obj         @keyandmore
-=!     $ov_obj         @fooormore
-=      $ov_obj         ["key" => 1]
-=!     $ov_obj         ["foo" => 1]
-=      $ov_obj         /key/                           TODO
-=!     $ov_obj         /foo/
-=      $ov_obj         qr/Key/i                        TODO
-=!     $ov_obj         qr/foo/
-=      $ov_obj         "key"                           TODO
-=!     $ov_obj         "foo"
-=!     $ov_obj         FALSE
-=!     $ov_obj         TRUE
+!      \&fatal         $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    $ov_obj
-@      $obj    $obj
-=@     $obj    \&fatal
-=@     $obj    \&FALSE
-=@     $obj    \&foo
-=@     $obj    sub { 1 }
-=@     $obj    sub { 0 }
-=@     $obj    %keyandmore
-=@     $obj    {"key" => 1}
-=@     $obj    @fooormore
-=@     $obj    ["key" => 1]
-=@     $obj    /key/
-=@     $obj    qr/key/
-=@     $obj    "key"
-=@     $obj    FALSE
+@      $obj            $obj
+@      $ov_obj         $obj
+=@     \&fatal         $obj
+@      \&FALSE         $obj
+@      \&foo           $obj
+@      sub { 1 }       $obj
+@      sub { 0 }       $obj
+@      %keyandmore     $obj
+@      {"key" => 1}    $obj
+@      @fooormore      $obj
+@      ["key" => 1]    $obj
+@      /key/           $obj
+@      qr/key/         $obj
+@      "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
+       $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" }
@@ -207,15 +261,21 @@ __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
+       []              \&foo
+       {}              \&foo
+       @empty          \&foo
+       %empty          \&foo
 !      qr//            \&foo
 !      undef           \&foo
        undef           \&bar
@@ -226,8 +286,13 @@ __DATA__
 @      "foo"           \&fatal
 @      qr//            \&fatal
 # sub is not called on empty hashes / arrays
-!      []              \&fatal
-!      +{}             \&fatal
+       []              \&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
@@ -235,38 +300,70 @@ __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
+=      \%hash          \%tied_hash
        \%tied_hash     \%tied_hash
+!=     {"a"=>"b"}      \%tied_hash
+=      %hash           %tied_hash
+       %tied_hash      %tied_hash
+!=     {"a"=>"b"}      %tied_hash
+       $ov_obj         %refh           MINISKIP
+!      "$ov_obj"       %refh           MINISKIP
+       [$ov_obj]       %refh           MINISKIP
+!      ["$ov_obj"]     %refh           MINISKIP
+       %refh           %refh           MINISKIP
 
 #  - 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' }
 !      undef           %hash
 !      undef           +{"" => "empty key"}
 !      undef           {}
@@ -274,24 +371,39 @@ __DATA__
 # ARRAY ref against:
 #  - another array ref
        []                      []
-!      []                      [1]
-!      [["foo"], ["bar"]]      [qr/o/, qr/a/]
-       [["foo"], ["bar"]]      [qr/ARRAY/, qr/ARRAY/]
+=!     []                      [1]
+       [["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", "", "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)]
@@ -300,20 +412,40 @@ __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/
@@ -321,6 +453,13 @@ __DATA__
 
 # Regex against number
        12345           qr/3/
+!      12345           qr/7/
+
+# array/hash against string
+       @fooormore      "".\@fooormore
+!      @keyandmore     "".\@fooormore
+       %fooormore      "".\%fooormore
+!      %keyandmore     "".\%fooormore
 
 # Test the implicit referencing
        7               @nums