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use Test2::Bundle::Extended -target => 'Test2::Compare::Float';
my $num = $CLASS->new(input => '22.0', tolerance => .001);
my $neg_num = $CLASS->new(input => -22, tolerance => .001);
my $untrue = $CLASS->new(input => 0);
my $pre_num = $CLASS->new(input => '22.0', precision => 3);
isa_ok($num, $CLASS, 'Test2::Compare::Base');
isa_ok($untrue, $CLASS, 'Test2::Compare::Base');
subtest tolerance => sub {
is($num->tolerance, 0.001, "got expected tolerance for number");
is($untrue->tolerance, 1e-08, "got default tolerance for 0");
};
subtest name => sub {
is($num->name, '22.0 +/- ' . $num->tolerance, "got expected name for number");
is($untrue->name, '0 +/- ' . $untrue->tolerance, "got expected name for 0");
# Note: string length of mantissa varies by perl install, e.g. 1e-08 vs 1e-008
is($pre_num->name, '22.000', "got expected 3 digits of precision in name for 22.0, precision=5");
is($CLASS->new(input => '100.123456789012345', precision => 10)->name,
'100.1234567890',
'got expected precision in name at precision=10');
is($CLASS->new(input => '100.123456789012345', precision => 15)->name,
sprintf('%.*f', 15, '100.123456789012345'),
'got expected precision in name at precision=15'); # likely not 100.123456789012345!
is($CLASS->new(input => '100.123456789012345', precision => 20)->name,
sprintf('%.*f', 20, '100.123456789012345'),
'got expected precision in name at precision=20');
};
subtest operator => sub {
is($num->operator(), '', "no operator for number + nothing");
is($num->operator(undef), '', "no operator for number + undef");
is($num->operator(1), '==', "== operator for number + number");
is($untrue->operator(), '', "no operator for 0 + nothing");
is($untrue->operator(undef), '', "no operator for 0 + undef");
is($untrue->operator(1), '==', "== operator for 0 + number");
is($pre_num->operator(), '', "no operator for precision number + nothing");
is($pre_num->operator(undef), '', "no operator for precision number + undef");
is($pre_num->operator(1), 'eq', "eq operator for precision number + number");
};
subtest verify => sub {
ok(!$num->verify(exists => 0, got => undef), 'does not verify against DNE');
ok(!$num->verify(exists => 1, got => {}), 'ref will not verify');
ok(!$num->verify(exists => 1, got => undef), 'looking for a number, not undef');
ok(!$num->verify(exists => 1, got => 'x'), 'not looking for a string');
ok(!$num->verify(exists => 1, got => 1), 'wrong number');
ok($num->verify(exists => 1, got => 22), '22.0 == 22');
ok($num->verify(exists => 1, got => '22.0'), 'exact match with decimal');
ok(!$untrue->verify(exists => 0, got => undef), 'does not verify against DNE');
ok(!$untrue->verify(exists => 1, got => {}), 'ref will not verify');
ok(!$untrue->verify(exists => 1, got => undef), 'undef is not 0 for this test');
ok(!$untrue->verify(exists => 1, got => 'x'), 'x is not 0');
ok(!$untrue->verify(exists => 1, got => 1), '1 is not 0');
ok(!$untrue->verify(exists => 1, got => ''), '"" is not 0');
ok(!$untrue->verify(exists => 1, got => ' '), '" " is not 0');
ok($untrue->verify(exists => 1, got => 0), 'got 0');
ok($untrue->verify(exists => 1, got => '0.0'), '0.0 == 0');
ok($untrue->verify(exists => 1, got => '-0.0'), '-0.0 == 0');
};
subtest verify_float_tolerance => sub {
ok($num->verify(exists => 1, got => "22.0"), '22.0 == 22 +/- .001');
ok($num->verify(exists => 1, got => "22.0009"), '22.0009 == 22 +/- .001');
ok($num->verify(exists => 1, got => "21.9991"), '21.9991 == 22 +/- .001');
ok(!$num->verify(exists => 1, got => "22.0011"), '22.0009 != 22 +/- .001');
ok(!$num->verify(exists => 1, got => "21.9989"), '21.9989 != 22 +/- .001');
ok(!$num->verify(exists => 1, got => "23"), '23 != 22 +/- .001');
ok($num->verify(exists => 1, got => 22.0), '22.0 == 22 +/- .001');
ok($num->verify(exists => 1, got => 22.0009), '22.0009 == 22 +/- .001');
ok($num->verify(exists => 1, got => 21.9991), '21.9991 == 22 +/- .001');
ok(!$num->verify(exists => 1, got => 22.0011), '22.0009 != 22 +/- .001');
ok(!$num->verify(exists => 1, got => 21.9989), '21.9989 != 22 +/- .001');
ok(!$num->verify(exists => 1, got => 23), '23 != 22 +/- .001');
ok($neg_num->verify(exists => 1, got => -22.0), '-22.0 == -22 +/- .001');
ok($neg_num->verify(exists => 1, got => -22.0009), '-22.0009 == -22 +/- .001');
ok($neg_num->verify(exists => 1, got => -21.9991), '-21.9991 == -22 +/- .001');
ok(!$neg_num->verify(exists => 1, got => -22.0011), '-22.0009 != -22 +/- .001');
ok(!$neg_num->verify(exists => 1, got => -21.9989), '-21.9989 != -22 +/- .001');
ok(!$neg_num->verify(exists => 1, got => -23), '-23 != -22 +/- .001');
};
subtest verify_float_precision => sub {
ok($pre_num->verify(exists => 1, got => "22.0"), '22.0 == 22.000');
ok($pre_num->verify(exists => 1, got => "22.0001"), '22.0001 == 22.000');
ok($pre_num->verify(exists => 1, got => "21.9999"), '21.9999 == 22.000');
ok(!$pre_num->verify(exists => 1, got => "22.0011"), '22.0011 != 22.000');
ok(!$pre_num->verify(exists => 1, got => "21.9989"), '21.9989 != 22.000');
ok(!$pre_num->verify(exists => 1, got => "23"), '23 != 22.000');
ok($pre_num->verify(exists => 1, got => 22.0), '22.0 == 22.000');
ok($pre_num->verify(exists => 1, got => 22.00049), '22.00049 == 22.000');
ok(!$pre_num->verify(exists => 1, got => 22.00051), '22.00051 != 22.000');
ok($pre_num->verify(exists => 1, got => 21.99951), '21.99951 == 22.000');
ok(!$pre_num->verify(exists => 1, got => 22.0009), '22.0009 != 22.000');
ok(!$pre_num->verify(exists => 1, got => 21.9989), '21.9989 != 22.000');
ok(!$pre_num->verify(exists => 1, got => 23), '23 != 22.000');
ok($neg_num->verify(exists => 1, got => -22.0), '-22.0 == -22.000');
ok($neg_num->verify(exists => 1, got => -22.0009), '-22.0009 == -22.000');
ok($neg_num->verify(exists => 1, got => -21.9991), '-21.9991 == -22.000');
ok(!$neg_num->verify(exists => 1, got => -22.0011), '-22.0009 != -22.000');
ok(!$neg_num->verify(exists => 1, got => -21.9989), '-21.9989 != -22.000');
ok(!$neg_num->verify(exists => 1, got => -23), '-23 != -22.000');
};
subtest rounding_tolerance => sub {
my $round_08 = $CLASS->new(input => '60.48');
my $round_13 = $CLASS->new(input => '60.48', tolerance => 1e-13);
my $round_14 = $CLASS->new(input => '60.48', tolerance => 1e-14);
ok($round_08->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_08->name . " - inside tolerance");
ok($round_13->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_13->name . " - inside tolerance");
ok($round_14->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_14->name . " - inside tolerance");
ok($round_08->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 == ' . $round_08->name . " - inside tolerance");
ok($round_13->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 == ' . $round_13->name . " - inside tolerance");
todo 'broken on some platforms' => sub {
ok(!$round_14->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 != ' . $round_14->name . " - outside tolerance");
};
};
subtest rounding_precision => sub {
my $round_08 = $CLASS->new(input => '60.48', precision => 8 );
my $round_13 = $CLASS->new(input => '60.48', precision => 13);
my $round_14 = $CLASS->new(input => '60.48', precision => 14);
ok($round_08->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_08->name . " - inside precision");
ok($round_13->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_13->name . " - inside precision");
ok($round_14->verify(exists => 1, got => 60.48), ' 60.48 == ' . $round_14->name . " - inside precision");
ok($round_08->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 == ' . $round_08->name . " - inside precision");
ok($round_13->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 == ' . $round_13->name . " - inside precision");
# unlike TOLERANCE, this should work on 32 and 64 bit platforms.
ok($round_14->verify(exists => 1, got => 125 - 64.52), '125 - 64.52 != ' . $round_14->name . " - outside precision");
};
like(
dies { $CLASS->new() },
qr/input must be defined for 'Float' check/,
"Cannot use undef as a number"
);
like(
dies { $CLASS->new(input => '') },
qr/input must be a number for 'Float' check/,
"Cannot use empty string as a number"
);
like(
dies { $CLASS->new(input => ' ') },
qr/input must be a number for 'Float' check/,
"Cannot use whitespace string as a number"
);
like(
dies { $CLASS->new(input => 1.234, precision => 5, tolerance => .001) },
qr/can't set both tolerance and precision/,
"Cannot use both precision and tolerance"
);
like(
dies { $CLASS->new(input => 1.234, precision => .05) },
qr/precision must be an integer/,
"precision can't be fractional"
);
like(
dies { $CLASS->new(input => 1.234, precision => -2) },
qr/precision must be an integer/,
"precision can't be negative"
);
done_testing;
|
