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|
#!perl -w
use strict;
use warnings;
use Test::More;
use Devel::Peek;
use Config;
BEGIN { use_ok('XS::APItest') }
my $is_wide = $Config{ivsize} == 8;
sub test_rot {
my ( $fnc, $n, $r, $max ) = @_;
my %seen;
my @seq;
while ( @seq < $max and !$seen{$n}++ ) {
push @seq, $n;
$n = $fnc->( $n, $r );
}
return \@seq;
}
for my $test (
[
# source string:
"\x{12}\x{34}\x{56}\x{78}\x{9A}\x{BC}\x{DE}\x{F0}" x 2,
#results:
#16 32 64
"0x3412", "0x78563412", "0xf0debc9a78563412",
"0x5634", "0x9A785634", "0x12f0debc9a785634",
"0x7856", "0xBC9A7856", "0x3412f0debc9a7856",
"0x9A78", "0xDEBC9A78", "0x563412f0debc9a78",
"0xBC9A", "0xF0DEBC9A", "0x78563412f0debc9a",
"0xDEBC", "0x12F0DEBC", "0x9a78563412f0debc",
"0xF0DE", "0x3412F0DE", "0xbc9a78563412f0de",
"0x12F0", "0x563412F0", "0xdebc9a78563412f0",
],
[
# source string:
"\x{F0}\x{E1}\x{D2}\x{C3}\x{B4}\x{A5}\x{96}\x{87}" x 2,
#results:
#16 32 64
"0xe1f0", "0xc3d2e1f0", "0x8796a5b4c3d2e1f0",
"0xd2e1", "0xb4c3d2e1", "0xf08796a5b4c3d2e1",
"0xc3d2", "0xa5b4c3d2", "0xe1f08796a5b4c3d2",
"0xb4c3", "0x96a5b4c3", "0xd2e1f08796a5b4c3",
"0xa5b4", "0x8796a5b4", "0xc3d2e1f08796a5b4",
"0x96a5", "0xf08796a5", "0xb4c3d2e1f08796a5",
"0x8796", "0xe1f08796", "0xa5b4c3d2e1f08796",
"0xf087", "0xd2e1f087", "0x96a5b4c3d2e1f087",
],
)
{
my $str = $test->[0];
for my $ofs ( 0 .. 7 ) {
my $n = ( $ofs * 3 ) + 1;
my ( $want16, $want32, $want64 ) = @{$test}[ $n .. ( $n + 2 ) ];
my $input = join " ", map { sprintf "%02x", ord($_) } split //,
substr $str, $ofs, 8;
my $hex16 = sprintf "0x%04x",
XS::APItest::HvMacro::u8_to_u16_le( $str, $ofs );
is( $hex16, lc($want16),
"U8TO16_LE works as expected (hex bytes:"
. substr( $input, 0, 4 + 1 )
. ")" );
my $hex32 = sprintf "0x%08x",
XS::APItest::HvMacro::u8_to_u32_le( $str, $ofs );
is( $hex32, lc($want32),
"U8TO32_LE works as expected (hex bytes:"
. substr( $input, 0, 8 + 3 )
. ")" );
next unless $is_wide;
my $hex64 = sprintf "0x%016x",
XS::APItest::HvMacro::u8_to_u64_le( $str, $ofs );
is( $hex64, lc($want64),
"U8TO64_LE works as expected (hex bytes:"
. substr( $input, 0, 16 + 7 )
. ")" );
}
}
{
my $seq_l32 = test_rot( \&XS::APItest::HvMacro::rotl32, 1, 1, 33 );
is( 0 + @$seq_l32, 32, "rotl32(n,1) works as expected" );
is_deeply(
$seq_l32,
[
1, 2, 4, 8,
16, 32, 64, 128,
256, 512, 1024, 2048,
4096, 8192, 16384, 32768,
65536, 131072, 262144, 524288,
1048576, 2097152, 4194304, 8388608,
16777216, 33554432, 67108864, 134217728,
268435456, 536870912, 1073741824, 2147483648
],
"rotl32(n,1) returned expected results"
);
my $seq_r32 = test_rot( \&XS::APItest::HvMacro::rotr32, 1, 1, 33 );
is( 0 + @$seq_r32, 32, "rotr32(n,1) works as expected" );
is_deeply(
$seq_r32,
[
1, 2147483648, 1073741824, 536870912,
268435456, 134217728, 67108864, 33554432,
16777216, 8388608, 4194304, 2097152,
1048576, 524288, 262144, 131072,
65536, 32768, 16384, 8192,
4096, 2048, 1024, 512,
256, 128, 64, 32,
16, 8, 4, 2
],
"rotr32(n,1) returned expected"
);
isnt( "@$seq_l32", "@$seq_r32",
"rotl32(n,1) and rotr32(n,1) return different results" );
}
if ($is_wide) {
my $seq_l64 = test_rot( \&XS::APItest::HvMacro::rotl64, 1, 1, 65 );
is( 0 + @$seq_l64, 64, "rotl64(n,1) works as expected" );
is_deeply(
$seq_l64,
[
1, 2,
4, 8,
16, 32,
64, 128,
256, 512,
1024, 2048,
4096, 8192,
16384, 32768,
65536, 131072,
262144, 524288,
1048576, 2097152,
4194304, 8388608,
16777216, 33554432,
67108864, 134217728,
268435456, 536870912,
1073741824, 2147483648,
4294967296, 8589934592,
'17179869184', '34359738368',
'68719476736', '137438953472',
'274877906944', '549755813888',
'1099511627776', '2199023255552',
'4398046511104', '8796093022208',
'17592186044416', '35184372088832',
'70368744177664', '140737488355328',
'281474976710656', '562949953421312',
'1125899906842624', '2251799813685248',
'4503599627370496', '9007199254740992',
'18014398509481984', '36028797018963968',
'72057594037927936', '144115188075855872',
'288230376151711744', '576460752303423488',
'1152921504606846976', '2305843009213693952',
'4611686018427387904', '9223372036854775808'
],
"rotl64(n,1) returned expected results"
);
my $seq_r64 = test_rot( \&XS::APItest::HvMacro::rotr64, 1, 1, 65 );
is( 0 + @$seq_r64, 64, "rotr64(n,1) works as expected" );
is_deeply(
$seq_r64,
[
1, '9223372036854775808',
'4611686018427387904', '2305843009213693952',
'1152921504606846976', '576460752303423488',
'288230376151711744', '144115188075855872',
'72057594037927936', '36028797018963968',
'18014398509481984', '9007199254740992',
'4503599627370496', '2251799813685248',
'1125899906842624', '562949953421312',
'281474976710656', '140737488355328',
'70368744177664', '35184372088832',
'17592186044416', '8796093022208',
'4398046511104', '2199023255552',
'1099511627776', '549755813888',
'274877906944', '137438953472',
'68719476736', '34359738368',
'17179869184', 8589934592,
4294967296, 2147483648,
1073741824, 536870912,
268435456, 134217728,
67108864, 33554432,
16777216, 8388608,
4194304, 2097152,
1048576, 524288,
262144, 131072,
65536, 32768,
16384, 8192,
4096, 2048,
1024, 512,
256, 128,
64, 32,
16, 8,
4, 2
],
"rotr64(n,1) returned expected results"
);
isnt( "@$seq_l64", "@$seq_r64",
"rotl64(n,1) and rotr64(n,1) return different results" );
}
if ($is_wide) {
my $seed = "perl is for good";
my $state = XS::APItest::HvMacro::siphash_seed_state($seed);
is(
sprintf( "%016x",
XS::APItest::HvMacro::siphash24( $state, "Larry wall is BDFL" ) ),
"71a11e065cefc12c",
"Siphash24 seems to work"
);
is(
sprintf( "%016x",
XS::APItest::HvMacro::siphash13( $state, "Larry wall is BDFL" ) ),
"adee71f47e49757a",
"Siphash13 seems to work"
);
is( XS::APItest::HvMacro::test_siphash24(), 0, "siphash24 test vectors check" );
is( XS::APItest::HvMacro::test_siphash13(), 0, "siphash13 test vectors check" );
}
done_testing();
|
