[p5sagit/p5-mst-13.2.git] / ext / XS / APItest / t / hash.t

#!perl -w

BEGIN {
  chdir 't' if -d 't';
  @INC = '../lib';
  push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS';
  require Config; import Config;
  if ($Config{'extensions'} !~ /\bXS\/APItest\b/) {
    # Look, I'm using this fully-qualified variable more than once!
    my $arch = $MacPerl::Architecture;
    print "1..0 # Skip: XS::APItest was not built\n";
    exit 0;
  }
}

use strict;
use utf8;
use Tie::Hash;
use Test::More 'no_plan';

BEGIN {use_ok('XS::APItest')};

sub preform_test;
sub test_present;
sub test_absent;
sub test_delete_present;
sub test_delete_absent;
sub brute_force_exists;
sub test_store;
sub test_fetch_present;
sub test_fetch_absent;

my $utf8_for_258 = chr 258;
utf8::encode $utf8_for_258;

my @testkeys = ('N', chr 198, chr 256);
my @keys = (@testkeys, $utf8_for_258);

foreach (@keys) {
  utf8::downgrade $_, 1;
}
main_tests (\@keys, \@testkeys, '');

foreach (@keys) {
  utf8::upgrade $_;
}
main_tests (\@keys, \@testkeys, ' [utf8 hash]');

{
  my %h = (a=>'cheat');
  tie %h, 'Tie::StdHash';
  is (XS::APItest::Hash::store(\%h, chr 258,  1), undef);
    
  ok (!exists $h{$utf8_for_258},
      "hv_store doesn't insert a key with the raw utf8 on a tied hash");
}

{
    my $strtab = strtab();
    is (ref $strtab, 'HASH', "The shared string table quacks like a hash");
    my $wibble = "\0";
    eval {
	$strtab->{$wibble}++;
    };
    my $prefix = "Cannot modify shared string table in hv_";
    my $what = $prefix . 'fetch';
    like ($@, qr/^$what/,$what);
    eval {
	XS::APItest::Hash::store($strtab, 'Boom!',  1)
    };
    $what = $prefix . 'store';
    like ($@, qr/^$what/, $what);
    if (0) {
	A::B->method();
    }
    # DESTROY should be in there.
    eval {
	delete $strtab->{DESTROY};
    };
    $what = $prefix . 'delete';
    like ($@, qr/^$what/, $what);
    # I can't work out how to get to the code that flips the wasutf8 flag on
    # the hash key without some ikcy XS
}

{
    is_deeply([&XS::APItest::Hash::test_hv_free_ent], [2,2,1,1],
	      "hv_free_ent frees the value immediately");
    is_deeply([&XS::APItest::Hash::test_hv_delayfree_ent], [2,2,2,1],
	      "hv_delayfree_ent keeps the value around until FREETMPS");
}

foreach my $in ("", "N", "a\0b") {
    my $got = XS::APItest::Hash::test_share_unshare_pvn($in);
    is ($got, $in, "test_share_unshare_pvn");
}

if ($] > 5.009) {
    foreach ([\&XS::APItest::Hash::rot13_hash, \&rot13, "rot 13"],
	     [\&XS::APItest::Hash::bitflip_hash, \&bitflip, "bitflip"],
	    ) {
	my ($setup, $mapping, $name) = @$_;
	my %hash;
	my %placebo = (a => 1, p => 2, i => 4, e => 8);
	$setup->(\%hash);
	$hash{a}++; @hash{qw(p i e)} = (2, 4, 8);

	test_U_hash(\%hash, \%placebo, [f => 9, g => 10, h => 11], $mapping,
		    $name);
    }
    foreach my $upgrade_o (0, 1) {
	foreach my $upgrade_n (0, 1) {
	    my (%hash, %placebo);
	    XS::APItest::Hash::bitflip_hash(\%hash);
	    foreach my $new (["7", 65, 67, 80],
			     ["8", 163, 171, 215],
			     ["U", 2603, 2604, 2604],
			    ) {
		foreach my $code (78, 240, 256, 1336) {
		    my $key = chr $code;
		    # This is the UTF-8 byte sequence for the key.
		    my $key_utf8 = $key;
		    utf8::encode($key_utf8);
		    if ($upgrade_o) {
			$key .= chr 256;
			chop $key;
		    }
		    $hash{$key} = $placebo{$key} = $code;
		    $hash{$key_utf8} = $placebo{$key_utf8} = "$code as UTF-8";
		}
		my $name = 'bitflip ' . shift @$new;
		my @new_kv;
		foreach my $code (@$new) {
		    my $key = chr $code;
		    if ($upgrade_n) {
			$key .= chr 256;
			chop $key;
		    }
		    push @new_kv, $key, $_;
		}

		$name .= ' upgraded(orig) ' if $upgrade_o;
		$name .= ' upgraded(new) ' if $upgrade_n;
		test_U_hash(\%hash, \%placebo, \@new_kv, \&bitflip, $name);
	    }
	}
    }
}

exit;

################################   The End   ################################

sub test_U_hash {
    my ($hash, $placebo, $new, $mapping, $message) = @_;
    my @hitlist = keys %$placebo;
    print "# $message\n";

    my @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))),
	"uvar magic called exactly once on store");

    is (keys %$hash, keys %$placebo);

    my $victim = shift @hitlist;
    is (delete $hash->{$victim}, delete $placebo->{$victim});

    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    $victim = shift @hitlist;
    is (XS::APItest::Hash::delete_ent ($hash, $victim,
				       XS::APItest::HV_DISABLE_UVAR_XKEY),
	undef, "Deleting a known key with conversion disabled fails (ent)");
    is (keys %$hash, keys %$placebo);

    is (XS::APItest::Hash::delete_ent ($hash, $victim, 0),
	delete $placebo->{$victim},
	"Deleting a known key with conversion enabled works (ent)");
    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    $victim = shift @hitlist;
    is (XS::APItest::Hash::delete ($hash, $victim,
				   XS::APItest::HV_DISABLE_UVAR_XKEY),
	undef, "Deleting a known key with conversion disabled fails");
    is (keys %$hash, keys %$placebo);

    is (XS::APItest::Hash::delete ($hash, $victim, 0),
	delete $placebo->{$victim},
	"Deleting a known key with conversion enabled works");
    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    my ($k, $v) = splice @$new, 0, 2;
    $hash->{$k} = $v;
    $placebo->{$k} = $v;
    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    ($k, $v) = splice @$new, 0, 2;
    is (XS::APItest::Hash::store_ent($hash, $k, $v), $v, "store_ent");
    $placebo->{$k} = $v;
    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    ($k, $v) = splice @$new, 0, 2;
    is (XS::APItest::Hash::store($hash, $k, $v), $v, "store");
    $placebo->{$k} = $v;
    is (keys %$hash, keys %$placebo);
    @keys = sort keys %$hash;
    is ("@keys", join(' ', sort($mapping->(keys %$placebo))));

    @hitlist = keys %$placebo;
    $victim = shift @hitlist;
    is (XS::APItest::Hash::fetch_ent($hash, $victim), $placebo->{$victim},
	"fetch_ent");
    is (XS::APItest::Hash::fetch_ent($hash, $mapping->($victim)), undef,
	"fetch_ent (missing)");

    $victim = shift @hitlist;
    is (XS::APItest::Hash::fetch($hash, $victim), $placebo->{$victim},
	"fetch");
    is (XS::APItest::Hash::fetch($hash, $mapping->($victim)), undef,
	"fetch (missing)");

    $victim = shift @hitlist;
    ok (XS::APItest::Hash::exists_ent($hash, $victim), "exists_ent");
    ok (!XS::APItest::Hash::exists_ent($hash, $mapping->($victim)),
	"exists_ent (missing)");

    $victim = shift @hitlist;
    die "Need a victim" unless defined $victim;
    ok (XS::APItest::Hash::exists($hash, $victim), "exists");
    ok (!XS::APItest::Hash::exists($hash, $mapping->($victim)),
	"exists (missing)");

    is (XS::APItest::Hash::common({hv => $hash, keysv => $victim}),
	$placebo->{$victim}, "common (fetch)");
    is (XS::APItest::Hash::common({hv => $hash, keypv => $victim}),
	$placebo->{$victim}, "common (fetch pv)");
    is (XS::APItest::Hash::common({hv => $hash, keysv => $victim,
				   action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	undef, "common (fetch) missing");
    is (XS::APItest::Hash::common({hv => $hash, keypv => $victim,
				   action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	undef, "common (fetch pv) missing");
    is (XS::APItest::Hash::common({hv => $hash, keysv => $mapping->($victim),
				   action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	$placebo->{$victim}, "common (fetch) missing mapped");
    is (XS::APItest::Hash::common({hv => $hash, keypv => $mapping->($victim),
				   action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	$placebo->{$victim}, "common (fetch pv) missing mapped");
}

sub main_tests {
  my ($keys, $testkeys, $description) = @_;
  foreach my $key (@$testkeys) {
    my $lckey = ($key eq chr 198) ? chr 230 : lc $key;
    my $unikey = $key;
    utf8::encode $unikey;

    utf8::downgrade $key, 1;
    utf8::downgrade $lckey, 1;
    utf8::downgrade $unikey, 1;
    main_test_inner ($key, $lckey, $unikey, $keys, $description);

    utf8::upgrade $key;
    utf8::upgrade $lckey;
    utf8::upgrade $unikey;
    main_test_inner ($key, $lckey, $unikey, $keys,
		     $description . ' [key utf8 on]');
  }

  # hv_exists was buggy for tied hashes, in that the raw utf8 key was being
  # used - the utf8 flag was being lost.
  perform_test (\&test_absent, (chr 258), $keys, '');

  perform_test (\&test_fetch_absent, (chr 258), $keys, '');
  perform_test (\&test_delete_absent, (chr 258), $keys, '');
}

sub main_test_inner {
  my ($key, $lckey, $unikey, $keys, $description) = @_;
  perform_test (\&test_present, $key, $keys, $description);
  perform_test (\&test_fetch_present, $key, $keys, $description);
  perform_test (\&test_delete_present, $key, $keys, $description);

  perform_test (\&test_store, $key, $keys, $description, [a=>'cheat']);
  perform_test (\&test_store, $key, $keys, $description, []);

  perform_test (\&test_absent, $lckey, $keys, $description);
  perform_test (\&test_fetch_absent, $lckey, $keys, $description);
  perform_test (\&test_delete_absent, $lckey, $keys, $description);

  return if $unikey eq $key;

  perform_test (\&test_absent, $unikey, $keys, $description);
  perform_test (\&test_fetch_absent, $unikey, $keys, $description);
  perform_test (\&test_delete_absent, $unikey, $keys, $description);
}

sub perform_test {
  my ($test_sub, $key, $keys, $message, @other) = @_;
  my $printable = join ',', map {ord} split //, $key;

  my (%hash, %tiehash);
  tie %tiehash, 'Tie::StdHash';

  @hash{@$keys} = @$keys;
  @tiehash{@$keys} = @$keys;

  &$test_sub (\%hash, $key, $printable, $message, @other);
  &$test_sub (\%tiehash, $key, $printable, "$message tie", @other);
}

sub test_present {
  my ($hash, $key, $printable, $message) = @_;

  ok (exists $hash->{$key}, "hv_exists_ent present$message $printable");
  ok (XS::APItest::Hash::exists ($hash, $key),
      "hv_exists present$message $printable");
}

sub test_absent {
  my ($hash, $key, $printable, $message) = @_;

  ok (!exists $hash->{$key}, "hv_exists_ent absent$message $printable");
  ok (!XS::APItest::Hash::exists ($hash, $key),
      "hv_exists absent$message $printable");
}

sub test_delete_present {
  my ($hash, $key, $printable, $message) = @_;

  my $copy = {};
  my $class = tied %$hash;
  if (defined $class) {
    tie %$copy, ref $class;
  }
  $copy = {%$hash};
  ok (brute_force_exists ($copy, $key),
      "hv_delete_ent present$message $printable");
  is (delete $copy->{$key}, $key, "hv_delete_ent present$message $printable");
  ok (!brute_force_exists ($copy, $key),
      "hv_delete_ent present$message $printable");
  $copy = {%$hash};
  ok (brute_force_exists ($copy, $key),
      "hv_delete present$message $printable");
  is (XS::APItest::Hash::delete ($copy, $key), $key,
      "hv_delete present$message $printable");
  ok (!brute_force_exists ($copy, $key),
      "hv_delete present$message $printable");
}

sub test_delete_absent {
  my ($hash, $key, $printable, $message) = @_;

  my $copy = {};
  my $class = tied %$hash;
  if (defined $class) {
    tie %$copy, ref $class;
  }
  $copy = {%$hash};
  is (delete $copy->{$key}, undef, "hv_delete_ent absent$message $printable");
  $copy = {%$hash};
  is (XS::APItest::Hash::delete ($copy, $key), undef,
      "hv_delete absent$message $printable");
}

sub test_store {
  my ($hash, $key, $printable, $message, $defaults) = @_;
  my $HV_STORE_IS_CRAZY = 1;

  # We are cheating - hv_store returns NULL for a store into an empty
  # tied hash. This isn't helpful here.

  my $class = tied %$hash;

  my %h1 = @$defaults;
  my %h2 = @$defaults;
  if (defined $class) {
    tie %h1, ref $class;
    tie %h2, ref $class;
    $HV_STORE_IS_CRAZY = undef;
  }
  is (XS::APItest::Hash::store_ent(\%h1, $key, 1), $HV_STORE_IS_CRAZY,
      "hv_store_ent$message $printable"); 
  ok (brute_force_exists (\%h1, $key), "hv_store_ent$message $printable");
  is (XS::APItest::Hash::store(\%h2, $key,  1), $HV_STORE_IS_CRAZY,
      "hv_store$message $printable");
  ok (brute_force_exists (\%h2, $key), "hv_store$message $printable");
}

sub test_fetch_present {
  my ($hash, $key, $printable, $message) = @_;

  is ($hash->{$key}, $key, "hv_fetch_ent present$message $printable");
  is (XS::APItest::Hash::fetch ($hash, $key), $key,
      "hv_fetch present$message $printable");
}

sub test_fetch_absent {
  my ($hash, $key, $printable, $message) = @_;

  is ($hash->{$key}, undef, "hv_fetch_ent absent$message $printable");
  is (XS::APItest::Hash::fetch ($hash, $key), undef,
      "hv_fetch absent$message $printable");
}

sub brute_force_exists {
  my ($hash, $key) = @_;
  foreach (keys %$hash) {
    return 1 if $key eq $_;
  }
  return 0;
}

sub rot13 {
    my @results = map {my $a = $_; $a =~ tr/A-Za-z/N-ZA-Mn-za-m/; $a} @_;
    wantarray ? @results : $results[0];
}

sub bitflip {
    my @results = map {join '', map {chr(32 ^ ord $_)} split '', $_} @_;
    wantarray ? @results : $results[0];
}
Commit	Line	Data
0314122a	1	#!perl -w
	2
	3	BEGIN {
	4	chdir 't' if -d 't';
	5	@INC = '../lib';
	6	push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS';
	7	require Config; import Config;
	8	if ($Config{'extensions'} !~ /\bXS\/APItest\b/) {
	9	# Look, I'm using this fully-qualified variable more than once!
	10	my $arch = $MacPerl::Architecture;
	11	print "1..0 # Skip: XS::APItest was not built\n";
	12	exit 0;
	13	}
	14	}
	15
3128e575	16	use strict;
3128e575	17	use utf8;
0314122a	18	use Tie::Hash;
3128e575	19	use Test::More 'no_plan';
3128e575	20
55289a74	21	BEGIN {use_ok('XS::APItest')};
0314122a	22
3128e575	23	sub preform_test;
	24	sub test_present;
	25	sub test_absent;
	26	sub test_delete_present;
	27	sub test_delete_absent;
	28	sub brute_force_exists;
	29	sub test_store;
	30	sub test_fetch_present;
	31	sub test_fetch_absent;
0314122a	32
b60cf05a	33	my $utf8_for_258 = chr 258;
b60cf05a	34	utf8::encode $utf8_for_258;
0314122a	35
3128e575	36	my @testkeys = ('N', chr 198, chr 256);
b60cf05a	37	my @keys = (@testkeys, $utf8_for_258);
0314122a	38
3128e575	39	foreach (@keys) {
	40	utf8::downgrade $_, 1;
	41	}
	42	main_tests (\@keys, \@testkeys, '');
0314122a	43
3128e575	44	foreach (@keys) {
	45	utf8::upgrade $_;
	46	}
	47	main_tests (\@keys, \@testkeys, ' [utf8 hash]');
0314122a	48
3128e575	49	{
	50	my %h = (a=>'cheat');
	51	tie %h, 'Tie::StdHash';
1baaf5d7	52	is (XS::APItest::Hash::store(\%h, chr 258, 1), undef);
3128e575	53
	54	ok (!exists $h{$utf8_for_258},
	55	"hv_store doesn't insert a key with the raw utf8 on a tied hash");
	56	}
0314122a	57
5d2b1485	58	{
	59	my $strtab = strtab();
	60	is (ref $strtab, 'HASH', "The shared string table quacks like a hash");
8ca60cef	61	my $wibble = "\0";
5d2b1485	62	eval {
8ca60cef	63	$strtab->{$wibble}++;
5d2b1485	64	};
	65	my $prefix = "Cannot modify shared string table in hv_";
	66	my $what = $prefix . 'fetch';
	67	like ($@, qr/^$what/,$what);
	68	eval {
	69	XS::APItest::Hash::store($strtab, 'Boom!', 1)
	70	};
	71	$what = $prefix . 'store';
	72	like ($@, qr/^$what/, $what);
	73	if (0) {
	74	A::B->method();
	75	}
	76	# DESTROY should be in there.
	77	eval {
	78	delete $strtab->{DESTROY};
	79	};
	80	$what = $prefix . 'delete';
	81	like ($@, qr/^$what/, $what);
	82	# I can't work out how to get to the code that flips the wasutf8 flag on
	83	# the hash key without some ikcy XS
	84	}
2dc92170	85
	86	{
	87	is_deeply([&XS::APItest::Hash::test_hv_free_ent], [2,2,1,1],
	88	"hv_free_ent frees the value immediately");
	89	is_deeply([&XS::APItest::Hash::test_hv_delayfree_ent], [2,2,2,1],
	90	"hv_delayfree_ent keeps the value around until FREETMPS");
	91	}
35ab5632	92
	93	foreach my $in ("", "N", "a\0b") {
	94	my $got = XS::APItest::Hash::test_share_unshare_pvn($in);
	95	is ($got, $in, "test_share_unshare_pvn");
	96	}
	97
55289a74	98	if ($] > 5.009) {
53c40a8f	99	foreach ([\&XS::APItest::Hash::rot13_hash, \&rot13, "rot 13"],
	100	[\&XS::APItest::Hash::bitflip_hash, \&bitflip, "bitflip"],
	101	) {
	102	my ($setup, $mapping, $name) = @$_;
	103	my %hash;
	104	my %placebo = (a => 1, p => 2, i => 4, e => 8);
	105	$setup->(\%hash);
	106	$hash{a}++; @hash{qw(p i e)} = (2, 4, 8);
	107
	108	test_U_hash(\%hash, \%placebo, [f => 9, g => 10, h => 11], $mapping,
	109	$name);
	110	}
850f5f16	111	foreach my $upgrade_o (0, 1) {
	112	foreach my $upgrade_n (0, 1) {
	113	my (%hash, %placebo);
	114	XS::APItest::Hash::bitflip_hash(\%hash);
	115	foreach my $new (["7", 65, 67, 80],
	116	["8", 163, 171, 215],
	117	["U", 2603, 2604, 2604],
	118	) {
	119	foreach my $code (78, 240, 256, 1336) {
	120	my $key = chr $code;
	121	# This is the UTF-8 byte sequence for the key.
	122	my $key_utf8 = $key;
	123	utf8::encode($key_utf8);
	124	if ($upgrade_o) {
	125	$key .= chr 256;
	126	chop $key;
	127	}
	128	$hash{$key} = $placebo{$key} = $code;
	129	$hash{$key_utf8} = $placebo{$key_utf8} = "$code as UTF-8";
	130	}
	131	my $name = 'bitflip ' . shift @$new;
	132	my @new_kv;
	133	foreach my $code (@$new) {
	134	my $key = chr $code;
	135	if ($upgrade_n) {
	136	$key .= chr 256;
	137	chop $key;
	138	}
	139	push @new_kv, $key, $_;
	140	}
	141
	142	$name .= ' upgraded(orig) ' if $upgrade_o;
	143	$name .= ' upgraded(new) ' if $upgrade_n;
	144	test_U_hash(\%hash, \%placebo, \@new_kv, \&bitflip, $name);
	145	}
	146	}
	147	}
53c40a8f	148	}
	149
	150	exit;
	151
	152	################################ The End ################################
	153
	154	sub test_U_hash {
	155	my ($hash, $placebo, $new, $mapping, $message) = @_;
	156	my @hitlist = keys %$placebo;
	157	print "# $message\n";
b54b4831	158
53c40a8f	159	my @keys = sort keys %$hash;
	160	is ("@keys", join(' ', sort($mapping->(keys %$placebo))),
	161	"uvar magic called exactly once on store");
b54b4831	162
850f5f16	163	is (keys %$hash, keys %$placebo);
55289a74	164
53c40a8f	165	my $victim = shift @hitlist;
53c40a8f	166	is (delete $hash->{$victim}, delete $placebo->{$victim});
55289a74	167
850f5f16	168	is (keys %$hash, keys %$placebo);
53c40a8f	169	@keys = sort keys %$hash;
53c40a8f	170	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
55289a74	171
53c40a8f	172	$victim = shift @hitlist;
53c40a8f	173	is (XS::APItest::Hash::delete_ent ($hash, $victim,
55289a74	174	XS::APItest::HV_DISABLE_UVAR_XKEY),
55289a74	175	undef, "Deleting a known key with conversion disabled fails (ent)");
850f5f16	176	is (keys %$hash, keys %$placebo);
55289a74	177
53c40a8f	178	is (XS::APItest::Hash::delete_ent ($hash, $victim, 0),
	179	delete $placebo->{$victim},
	180	"Deleting a known key with conversion enabled works (ent)");
850f5f16	181	is (keys %$hash, keys %$placebo);
53c40a8f	182	@keys = sort keys %$hash;
53c40a8f	183	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
55289a74	184
53c40a8f	185	$victim = shift @hitlist;
53c40a8f	186	is (XS::APItest::Hash::delete ($hash, $victim,
55289a74	187	XS::APItest::HV_DISABLE_UVAR_XKEY),
55289a74	188	undef, "Deleting a known key with conversion disabled fails");
850f5f16	189	is (keys %$hash, keys %$placebo);
53c40a8f	190
	191	is (XS::APItest::Hash::delete ($hash, $victim, 0),
	192	delete $placebo->{$victim},
	193	"Deleting a known key with conversion enabled works");
850f5f16	194	is (keys %$hash, keys %$placebo);
53c40a8f	195	@keys = sort keys %$hash;
	196	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
	197
	198	my ($k, $v) = splice @$new, 0, 2;
	199	$hash->{$k} = $v;
	200	$placebo->{$k} = $v;
850f5f16	201	is (keys %$hash, keys %$placebo);
53c40a8f	202	@keys = sort keys %$hash;
	203	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
	204
	205	($k, $v) = splice @$new, 0, 2;
	206	is (XS::APItest::Hash::store_ent($hash, $k, $v), $v, "store_ent");
	207	$placebo->{$k} = $v;
850f5f16	208	is (keys %$hash, keys %$placebo);
53c40a8f	209	@keys = sort keys %$hash;
	210	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
	211
	212	($k, $v) = splice @$new, 0, 2;
	213	is (XS::APItest::Hash::store($hash, $k, $v), $v, "store");
53c40a8f	214	$placebo->{$k} = $v;
850f5f16	215	is (keys %$hash, keys %$placebo);
53c40a8f	216	@keys = sort keys %$hash;
	217	is ("@keys", join(' ', sort($mapping->(keys %$placebo))));
	218
	219	@hitlist = keys %$placebo;
	220	$victim = shift @hitlist;
	221	is (XS::APItest::Hash::fetch_ent($hash, $victim), $placebo->{$victim},
	222	"fetch_ent");
	223	is (XS::APItest::Hash::fetch_ent($hash, $mapping->($victim)), undef,
bdee33e4	224	"fetch_ent (missing)");
bdee33e4	225
53c40a8f	226	$victim = shift @hitlist;
	227	is (XS::APItest::Hash::fetch($hash, $victim), $placebo->{$victim},
	228	"fetch");
	229	is (XS::APItest::Hash::fetch($hash, $mapping->($victim)), undef,
bdee33e4	230	"fetch (missing)");
bdee33e4	231
53c40a8f	232	$victim = shift @hitlist;
	233	ok (XS::APItest::Hash::exists_ent($hash, $victim), "exists_ent");
	234	ok (!XS::APItest::Hash::exists_ent($hash, $mapping->($victim)),
bdee33e4	235	"exists_ent (missing)");
bdee33e4	236
53c40a8f	237	$victim = shift @hitlist;
6b4de907	238	die "Need a victim" unless defined $victim;
53c40a8f	239	ok (XS::APItest::Hash::exists($hash, $victim), "exists");
	240	ok (!XS::APItest::Hash::exists($hash, $mapping->($victim)),
	241	"exists (missing)");
6b4de907	242
	243	is (XS::APItest::Hash::common({hv => $hash, keysv => $victim}),
	244	$placebo->{$victim}, "common (fetch)");
	245	is (XS::APItest::Hash::common({hv => $hash, keypv => $victim}),
	246	$placebo->{$victim}, "common (fetch pv)");
	247	is (XS::APItest::Hash::common({hv => $hash, keysv => $victim,
	248	action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	249	undef, "common (fetch) missing");
	250	is (XS::APItest::Hash::common({hv => $hash, keypv => $victim,
	251	action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	252	undef, "common (fetch pv) missing");
	253	is (XS::APItest::Hash::common({hv => $hash, keysv => $mapping->($victim),
	254	action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	255	$placebo->{$victim}, "common (fetch) missing mapped");
	256	is (XS::APItest::Hash::common({hv => $hash, keypv => $mapping->($victim),
	257	action => XS::APItest::HV_DISABLE_UVAR_XKEY}),
	258	$placebo->{$victim}, "common (fetch pv) missing mapped");
b54b4831	259	}
b54b4831	260
3128e575	261	sub main_tests {
	262	my ($keys, $testkeys, $description) = @_;
	263	foreach my $key (@$testkeys) {
	264	my $lckey = ($key eq chr 198) ? chr 230 : lc $key;
	265	my $unikey = $key;
	266	utf8::encode $unikey;
0314122a	267
3128e575	268	utf8::downgrade $key, 1;
	269	utf8::downgrade $lckey, 1;
	270	utf8::downgrade $unikey, 1;
	271	main_test_inner ($key, $lckey, $unikey, $keys, $description);
0314122a	272
3128e575	273	utf8::upgrade $key;
	274	utf8::upgrade $lckey;
	275	utf8::upgrade $unikey;
	276	main_test_inner ($key, $lckey, $unikey, $keys,
	277	$description . ' [key utf8 on]');
	278	}
0314122a	279
3128e575	280	# hv_exists was buggy for tied hashes, in that the raw utf8 key was being
	281	# used - the utf8 flag was being lost.
	282	perform_test (\&test_absent, (chr 258), $keys, '');
0314122a	283
3128e575	284	perform_test (\&test_fetch_absent, (chr 258), $keys, '');
3128e575	285	perform_test (\&test_delete_absent, (chr 258), $keys, '');
0314122a	286	}
0314122a	287
3128e575	288	sub main_test_inner {
	289	my ($key, $lckey, $unikey, $keys, $description) = @_;
	290	perform_test (\&test_present, $key, $keys, $description);
	291	perform_test (\&test_fetch_present, $key, $keys, $description);
	292	perform_test (\&test_delete_present, $key, $keys, $description);
b60cf05a	293
3128e575	294	perform_test (\&test_store, $key, $keys, $description, [a=>'cheat']);
3128e575	295	perform_test (\&test_store, $key, $keys, $description, []);
b60cf05a	296
3128e575	297	perform_test (\&test_absent, $lckey, $keys, $description);
	298	perform_test (\&test_fetch_absent, $lckey, $keys, $description);
	299	perform_test (\&test_delete_absent, $lckey, $keys, $description);
b60cf05a	300
3128e575	301	return if $unikey eq $key;
	302
	303	perform_test (\&test_absent, $unikey, $keys, $description);
	304	perform_test (\&test_fetch_absent, $unikey, $keys, $description);
	305	perform_test (\&test_delete_absent, $unikey, $keys, $description);
b60cf05a	306	}
b60cf05a	307
3128e575	308	sub perform_test {
3128e575	309	my ($test_sub, $key, $keys, $message, @other) = @_;
b60cf05a	310	my $printable = join ',', map {ord} split //, $key;
b60cf05a	311
3128e575	312	my (%hash, %tiehash);
3128e575	313	tie %tiehash, 'Tie::StdHash';
b60cf05a	314
3128e575	315	@hash{@$keys} = @$keys;
3128e575	316	@tiehash{@$keys} = @$keys;
b60cf05a	317
3128e575	318	&$test_sub (\%hash, $key, $printable, $message, @other);
3128e575	319	&$test_sub (\%tiehash, $key, $printable, "$message tie", @other);
b60cf05a	320	}
b60cf05a	321
3128e575	322	sub test_present {
	323	my ($hash, $key, $printable, $message) = @_;
	324
	325	ok (exists $hash->{$key}, "hv_exists_ent present$message $printable");
	326	ok (XS::APItest::Hash::exists ($hash, $key),
	327	"hv_exists present$message $printable");
b60cf05a	328	}
b60cf05a	329
3128e575	330	sub test_absent {
3128e575	331	my ($hash, $key, $printable, $message) = @_;
858117f8	332
3128e575	333	ok (!exists $hash->{$key}, "hv_exists_ent absent$message $printable");
	334	ok (!XS::APItest::Hash::exists ($hash, $key),
	335	"hv_exists absent$message $printable");
b60cf05a	336	}
b60cf05a	337
3128e575	338	sub test_delete_present {
3128e575	339	my ($hash, $key, $printable, $message) = @_;
b60cf05a	340
3128e575	341	my $copy = {};
	342	my $class = tied %$hash;
	343	if (defined $class) {
	344	tie %$copy, ref $class;
	345	}
	346	$copy = {%$hash};
8829b5e2	347	ok (brute_force_exists ($copy, $key),
8829b5e2	348	"hv_delete_ent present$message $printable");
3128e575	349	is (delete $copy->{$key}, $key, "hv_delete_ent present$message $printable");
8829b5e2	350	ok (!brute_force_exists ($copy, $key),
8829b5e2	351	"hv_delete_ent present$message $printable");
3128e575	352	$copy = {%$hash};
8829b5e2	353	ok (brute_force_exists ($copy, $key),
8829b5e2	354	"hv_delete present$message $printable");
3128e575	355	is (XS::APItest::Hash::delete ($copy, $key), $key,
3128e575	356	"hv_delete present$message $printable");
8829b5e2	357	ok (!brute_force_exists ($copy, $key),
8829b5e2	358	"hv_delete present$message $printable");
b60cf05a	359	}
b60cf05a	360
3128e575	361	sub test_delete_absent {
3128e575	362	my ($hash, $key, $printable, $message) = @_;
b60cf05a	363
3128e575	364	my $copy = {};
	365	my $class = tied %$hash;
	366	if (defined $class) {
	367	tie %$copy, ref $class;
	368	}
	369	$copy = {%$hash};
	370	is (delete $copy->{$key}, undef, "hv_delete_ent absent$message $printable");
	371	$copy = {%$hash};
	372	is (XS::APItest::Hash::delete ($copy, $key), undef,
	373	"hv_delete absent$message $printable");
b60cf05a	374	}
b60cf05a	375
3128e575	376	sub test_store {
	377	my ($hash, $key, $printable, $message, $defaults) = @_;
	378	my $HV_STORE_IS_CRAZY = 1;
b60cf05a	379
3128e575	380	# We are cheating - hv_store returns NULL for a store into an empty
3128e575	381	# tied hash. This isn't helpful here.
0314122a	382
3128e575	383	my $class = tied %$hash;
0314122a	384
3128e575	385	my %h1 = @$defaults;
	386	my %h2 = @$defaults;
	387	if (defined $class) {
	388	tie %h1, ref $class;
	389	tie %h2, ref $class;
1baaf5d7	390	$HV_STORE_IS_CRAZY = undef;
3128e575	391	}
1baaf5d7	392	is (XS::APItest::Hash::store_ent(\%h1, $key, 1), $HV_STORE_IS_CRAZY,
3128e575	393	"hv_store_ent$message $printable");
	394	ok (brute_force_exists (\%h1, $key), "hv_store_ent$message $printable");
	395	is (XS::APItest::Hash::store(\%h2, $key, 1), $HV_STORE_IS_CRAZY,
	396	"hv_store$message $printable");
	397	ok (brute_force_exists (\%h2, $key), "hv_store$message $printable");
	398	}
0314122a	399
3128e575	400	sub test_fetch_present {
3128e575	401	my ($hash, $key, $printable, $message) = @_;
b60cf05a	402
3128e575	403	is ($hash->{$key}, $key, "hv_fetch_ent present$message $printable");
	404	is (XS::APItest::Hash::fetch ($hash, $key), $key,
	405	"hv_fetch present$message $printable");
0314122a	406	}
0314122a	407
3128e575	408	sub test_fetch_absent {
3128e575	409	my ($hash, $key, $printable, $message) = @_;
b60cf05a	410
3128e575	411	is ($hash->{$key}, undef, "hv_fetch_ent absent$message $printable");
	412	is (XS::APItest::Hash::fetch ($hash, $key), undef,
	413	"hv_fetch absent$message $printable");
	414	}
b60cf05a	415
3128e575	416	sub brute_force_exists {
	417	my ($hash, $key) = @_;
	418	foreach (keys %$hash) {
	419	return 1 if $key eq $_;
	420	}
	421	return 0;
b60cf05a	422	}
b54b4831	423
	424	sub rot13 {
	425	my @results = map {my $a = $_; $a =~ tr/A-Za-z/N-ZA-Mn-za-m/; $a} @_;
	426	wantarray ? @results : $results[0];
	427	}
53c40a8f	428
	429	sub bitflip {
	430	my @results = map {join '', map {chr(32 ^ ord $_)} split '', $_} @_;
	431	wantarray ? @results : $results[0];
	432	}