/
BigDecimalTest.php
2576 lines (2329 loc) · 103 KB
/
BigDecimalTest.php
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<?php
namespace Brick\Math\Tests;
use Brick\Math\BigDecimal;
use Brick\Math\Exception\DivisionByZeroException;
use Brick\Math\Exception\NegativeNumberException;
use Brick\Math\Exception\RoundingNecessaryException;
use Brick\Math\RoundingMode;
/**
* Unit tests for class BigDecimal.
*/
class BigDecimalTest extends AbstractTestCase
{
/**
* @dataProvider providerOf
*
* @param string|number $value The value to convert to a BigDecimal.
* @param string $unscaledValue The expected unscaled value.
* @param int $scale The expected scale.
*/
public function testOf($value, $unscaledValue, $scale)
{
$this->assertBigDecimalInternalValues($unscaledValue, $scale, BigDecimal::of($value));
}
/**
* @return array
*/
public function providerOf()
{
return [
[0, '0', 0],
[1, '1', 0],
[-1, '-1', 0],
[123456789, '123456789', 0],
[-123456789, '-123456789', 0],
[PHP_INT_MAX, (string) PHP_INT_MAX, 0],
[PHP_INT_MIN, (string) PHP_INT_MIN, 0],
[0.0, '0', 0],
[0.1, '1', 1],
[1.0, '1', 0],
[1.1, '11', 1],
['0', '0', 0],
['+0', '0', 0],
['-0', '0', 0],
['00', '0', 0],
['+00', '0', 0],
['-00', '0', 0],
['1', '1', 0],
['+1', '1', 0],
['-1', '-1', 0],
['01', '1', 0],
['+01', '1', 0],
['-01', '-1', 0],
['0.0', '0', 1],
['+0.0', '0', 1],
['-0.0', '0', 1],
['00.0', '0', 1],
['+00.0', '0', 1],
['-00.0', '0', 1],
['1.0', '10', 1],
['+1.0', '10', 1],
['-1.0', '-10', 1],
['01.0', '10', 1],
['+01.0', '10', 1],
['-01.0', '-10', 1],
['0.1', '1', 1],
['+0.1', '1', 1],
['-0.1', '-1', 1],
['0.10', '10', 2],
['+0.10', '10', 2],
['-0.10', '-10', 2],
['0.010', '10', 3],
['+0.010', '10', 3],
['-0.010', '-10', 3],
['00.1', '1', 1],
['+00.1', '1', 1],
['-00.1', '-1', 1],
['00.10', '10', 2],
['+00.10', '10', 2],
['-00.10', '-10', 2],
['00.010', '10', 3],
['+00.010', '10', 3],
['-00.010', '-10', 3],
['01.1', '11', 1],
['+01.1', '11', 1],
['-01.1', '-11', 1],
['01.010', '1010', 3],
['+01.010', '1010', 3],
['-01.010', '-1010', 3],
['0e-2', '0', 2],
['0e-1', '0', 1],
['0e-0', '0', 0],
['0e0', '0', 0],
['0e1', '0', 0],
['0e2', '0', 0],
['0e+0', '0', 0],
['0e+1','0', 0],
['0e+2','0', 0],
['0.0e-2', '0', 3],
['0.0e-1', '0', 2],
['0.0e-0', '0', 1],
['0.0e0', '0', 1],
['0.0e1', '0', 0],
['0.0e2', '0', 0],
['0.0e+0', '0', 1],
['0.0e+1','0', 0],
['0.0e+2','0', 0],
['0.1e-2', '1', 3],
['0.1e-1', '1', 2],
['0.1e-0', '1', 1],
['0.1e0', '1', 1],
['0.1e1', '1', 0],
['0.1e2', '10', 0],
['0.1e+0', '1', 1],
['0.1e+1','1', 0],
['0.1e+2','10', 0],
['1.23e+011', '123000000000', 0],
['1.23e-011', '123', 13],
['0.01e-2', '1', 4],
['0.01e-1', '1', 3],
['0.01e-0', '1', 2],
['0.01e0', '1', 2],
['0.01e1', '1', 1],
['0.01e2', '1', 0],
['0.01e+0', '1', 2],
['0.01e+1','1', 1],
['0.01e+2','1', 0],
['0.10e-2', '10', 4],
['0.10e-1', '10', 3],
['0.10e-0', '10', 2],
['0.10e0', '10', 2],
['0.10e1', '10', 1],
['0.10e2', '10', 0],
['0.10e+0', '10', 2],
['0.10e+1','10', 1],
['0.10e+2','10', 0],
['00.10e-2', '10', 4],
['+00.10e-1', '10', 3],
['-00.10e-0', '-10', 2],
['00.10e0', '10', 2],
['+00.10e1', '10', 1],
['-00.10e2', '-10', 0],
['00.10e+0', '10', 2],
['+00.10e+1','10', 1],
['-00.10e+2','-10', 0],
];
}
/**
* @dataProvider providerOfLocales
*
* @param string $locale
*/
public function testOfValueInDifferentLocales(string $locale): void
{
$originalLocale = setlocale(LC_NUMERIC, '0');
setlocale(LC_NUMERIC, $locale);
$this->assertEquals(2.5, BigDecimal::of(5/2)->toFloat());
setlocale(LC_NUMERIC, $originalLocale);
}
/**
* @return array
*/
public function providerOfLocales(): array
{
return [
['en_US.UTF-8'],
['de_DE.UTF-8'],
];
}
/**
* @dataProvider providerOfInvalidValueThrowsException
* @expectedException \Brick\Math\Exception\NumberFormatException
*
* @param string $value
*/
public function testOfInvalidValueThrowsException($value)
{
BigDecimal::of($value);
}
/**
* @return array
*/
public function providerOfInvalidValueThrowsException()
{
return [
[''],
['a'],
[' 1'],
['1 '],
['1.'],
['.1'],
['+'],
['-'],
['+a'],
['-a'],
[INF],
[-INF],
[NAN],
];
}
public function testOfBigDecimalReturnsThis()
{
$decimal = BigDecimal::of(123);
$this->assertSame($decimal, BigDecimal::of($decimal));
}
/**
* @dataProvider providerOfUnscaledValue
*
* @param string|int $unscaledValue The unscaled value of the BigDecimal to create.
* @param int $scale The scale of the BigDecimal to create.
* @param string $expectedUnscaledValue The expected result unscaled value.
*/
public function testOfUnscaledValue($unscaledValue, $scale, $expectedUnscaledValue)
{
$number = BigDecimal::ofUnscaledValue($unscaledValue, $scale);
$this->assertBigDecimalInternalValues($expectedUnscaledValue, $scale, $number);
}
/**
* @return array
*/
public function providerOfUnscaledValue()
{
return [
[123456789, 0, '123456789'],
[123456789, 1, '123456789'],
[-123456789, 0, '-123456789'],
[-123456789, 1, '-123456789'],
['123456789012345678901234567890', 0, '123456789012345678901234567890'],
['123456789012345678901234567890', 1, '123456789012345678901234567890'],
['+123456789012345678901234567890', 0, '123456789012345678901234567890'],
['+123456789012345678901234567890', 1, '123456789012345678901234567890'],
['-123456789012345678901234567890', 0, '-123456789012345678901234567890'],
['-123456789012345678901234567890', 1, '-123456789012345678901234567890'],
['0123456789012345678901234567890', 0, '123456789012345678901234567890'],
['0123456789012345678901234567890', 1, '123456789012345678901234567890'],
['+0123456789012345678901234567890', 0, '123456789012345678901234567890'],
['+0123456789012345678901234567890', 1, '123456789012345678901234567890'],
['-0123456789012345678901234567890', 0, '-123456789012345678901234567890'],
['-0123456789012345678901234567890', 1, '-123456789012345678901234567890'],
];
}
/**
* @expectedException \InvalidArgumentException
*/
public function testOfUnscaledValueWithNegativeScaleThrowsException()
{
BigDecimal::ofUnscaledValue('0', -1);
}
public function testZero()
{
$this->assertBigDecimalInternalValues('0', 0, BigDecimal::zero());
$this->assertSame(BigDecimal::zero(), BigDecimal::zero());
}
public function testOne()
{
$this->assertBigDecimalInternalValues('1', 0, BigDecimal::one());
$this->assertSame(BigDecimal::one(), BigDecimal::one());
}
public function testTen()
{
$this->assertBigDecimalInternalValues('10', 0, BigDecimal::ten());
$this->assertSame(BigDecimal::ten(), BigDecimal::ten());
}
/**
* @dataProvider providerMin
*
* @param array $values The values to test.
* @param string $min The expected minimum value.
*/
public function testMin(array $values, $min)
{
$this->assertBigDecimalEquals($min, BigDecimal::min(... $values));
}
/**
* @return array
*/
public function providerMin()
{
return [
[[0, 1, -1], '-1'],
[[0, 1, -1, -1.2], '-1.2'],
[['1e30', '123456789123456789123456789', 2e25], '20000000000000000000000000'],
[['1e30', '123456789123456789123456789', 2e26], '123456789123456789123456789'],
[[0, '10', '5989', '-3/3'], '-1'],
[['-0.0000000000000000000000000000001', '0'], '-0.0000000000000000000000000000001'],
[['0.00000000000000000000000000000001', '0'], '0'],
[['-1', '1', '2', '3', '-2973/30'], '-99.1'],
[['999999999999999999999999999.99999999999', '1000000000000000000000000000'], '999999999999999999999999999.99999999999'],
[['-999999999999999999999999999.99999999999', '-1000000000000000000000000000'], '-1000000000000000000000000000'],
[['9.9e50', '1e50'], '100000000000000000000000000000000000000000000000000'],
[['9.9e50', '1e51'], '990000000000000000000000000000000000000000000000000'],
];
}
/**
* @expectedException \InvalidArgumentException
*/
public function testMinOfZeroValuesThrowsException()
{
BigDecimal::min();
}
/**
* @expectedException \Brick\Math\Exception\RoundingNecessaryException
*/
public function testMinOfNonDecimalValuesThrowsException()
{
BigDecimal::min(1, '1/3');
}
/**
* @dataProvider providerMax
*
* @param array $values The values to test.
* @param string $max The expected maximum value.
*/
public function testMax(array $values, $max)
{
$this->assertBigDecimalEquals($max, BigDecimal::max(... $values));
}
/**
* @return array
*/
public function providerMax()
{
return [
[[0, 0.9, -1.00], '0.9'],
[[0, 0.01, -1, -1.2], '0.01'],
[[0, 0.01, -1, -1.2, '2e-1'], '0.2'],
[['1e-30', '123456789123456789123456789', 2e25], '123456789123456789123456789'],
[['1e-30', '123456789123456789123456789', 2e26], '200000000000000000000000000'],
[[0, '10', '5989', '-1'], '5989'],
[[0, '10', '5989', '5989.000000000000000000000000000000001', '-1'], '5989.000000000000000000000000000000001'],
[[0, '10', '5989', '5989.000000000000000000000000000000001', '-1', '5990'], '5990'],
[['-0.0000000000000000000000000000001', 0], '0'],
[['0.00000000000000000000000000000001', '0'], '0.00000000000000000000000000000001'],
[['-1', '1', '2', '3', '-99.1'], '3'],
[['-1', '1', '2', '3', '-99.1', '31/10'], '3.1'],
[['999999999999999999999999999.99999999999', '1000000000000000000000000000'], '1000000000000000000000000000'],
[['-999999999999999999999999999.99999999999', '-1000000000000000000000000000'], '-999999999999999999999999999.99999999999'],
[['9.9e50', '1e50'], '990000000000000000000000000000000000000000000000000'],
[['9.9e50', '1e51'], '1000000000000000000000000000000000000000000000000000'],
];
}
/**
* @expectedException \InvalidArgumentException
*/
public function testMaxOfZeroValuesThrowsException()
{
BigDecimal::max();
}
/**
* @expectedException \Brick\Math\Exception\RoundingNecessaryException
*/
public function testMaxOfNonDecimalValuesThrowsException()
{
BigDecimal::min(1, '3/7');
}
/**
* @dataProvider providerPlus
*
* @param string $a The base number.
* @param string $b The number to add.
* @param string $unscaledValue The expected unscaled value.
* @param int $scale The expected scale.
*/
public function testPlus($a, $b, $unscaledValue, $scale)
{
$this->assertBigDecimalInternalValues($unscaledValue, $scale, BigDecimal::of($a)->plus($b));
}
/**
* @return array
*/
public function providerPlus()
{
return [
['123', '999', '1122', 0],
['123', '999.0', '11220', 1],
['123', '999.00', '112200', 2],
['123.0', '999', '11220', 1],
['123.0', '999.0', '11220', 1],
['123.0', '999.00', '112200', 2],
['123.00', '999', '112200', 2],
['123.00', '999.0', '112200', 2],
['123.00', '999.00', '112200', 2],
['123', '-999', '-876', 0],
['123', '-999.0', '-8760', 1],
['123', '-999.00', '-87600', 2],
['123.0', '-999', '-8760', 1],
['123.0', '-999.0', '-8760', 1],
['123.0', '-999.00', '-87600', 2],
['123.00', '-999', '-87600', 2],
['123.00', '-999.0', '-87600', 2],
['123.00', '-999.00', '-87600', 2],
['-123', '999', '876', 0],
['-123', '999.0', '8760', 1],
['-123', '999.00', '87600', 2],
['-123.0', '999', '8760', 1],
['-123.0', '999.0', '8760', 1],
['-123.0', '999.00', '87600', 2],
['-123.00', '999', '87600', 2],
['-123.00', '999.0', '87600', 2],
['-123.00', '999.00', '87600', 2],
['-123', '-999', '-1122', 0],
['-123', '-999.0', '-11220', 1],
['-123', '-999.00', '-112200', 2],
['-123.0', '-999', '-11220', 1],
['-123.0', '-999.0', '-11220', 1],
['-123.0', '-999.00', '-112200', 2],
['-123.00', '-999', '-112200', 2],
['-123.00', '-999.0', '-112200', 2],
['-123.00', '-999.00', '-112200', 2],
['23487837847837428335.322387091', '309049304233535454687656.2392', '309072792071383292115991561587091', 9],
['-234878378478328335.322387091', '309049304233535154687656.232', '309049069355156676359320909612909', 9],
['234878378478328335.3227091', '-3090495154687656.231343344452', '231787883323640679091365755548', 12],
['-23487837847833435.3231', '-3090495154687656.231343344452', '-26578333002521091554443344452', 12],
['1234568798347983.2334899238921', '0', '12345687983479832334899238921', 13],
['-0.00223287647368738736428467863784', '0.000', '-223287647368738736428467863784', 32],
];
}
/**
* @dataProvider providerMinus
*
* @param string $a The base number.
* @param string $b The number to subtract.
* @param string $unscaledValue The expected unscaled value.
* @param int $scale The expected scale.
*/
public function testMinus($a, $b, $unscaledValue, $scale)
{
$this->assertBigDecimalInternalValues($unscaledValue, $scale, BigDecimal::of($a)->minus($b));
}
/**
* @return array
*/
public function providerMinus()
{
return [
['123', '999', '-876', 0],
['123', '999.0', '-8760', 1],
['123', '999.00', '-87600', 2],
['123.0', '999', '-8760', 1],
['123.0', '999.0', '-8760', 1],
['123.0', '999.00', '-87600', 2],
['123.00', '999', '-87600', 2],
['123.00', '999.0', '-87600', 2],
['123.00', '999.00', '-87600', 2],
['123', '-999', '1122', 0],
['123', '-999.0', '11220', 1],
['123', '-999.00', '112200', 2],
['123.0', '-999', '11220', 1],
['123.0', '-999.0', '11220', 1],
['123.0', '-999.00', '112200', 2],
['123.00', '-999', '112200', 2],
['123.00', '-999.0', '112200', 2],
['123.00', '-999.00', '112200', 2],
['-123', '999', '-1122', 0],
['-123', '999.0', '-11220', 1],
['-123', '999.00', '-112200', 2],
['-123.0', '999', '-11220', 1],
['-123.0', '999.0', '-11220', 1],
['-123.0', '999.00', '-112200', 2],
['-123.00', '999', '-112200', 2],
['-123.00', '999.0', '-112200', 2],
['-123.00', '999.00', '-112200', 2],
['-123', '-999', '876', 0],
['-123', '-999.0', '8760', 1],
['-123', '-999.00', '87600', 2],
['-123.0', '-999', '8760', 1],
['-123.0', '-999.0', '8760', 1],
['-123.0', '-999.00', '87600', 2],
['-123.00', '-999', '87600', 2],
['-123.00', '-999.0', '87600', 2],
['-123.00', '-999.00', '87600', 2],
['234878378477428335.3223334343487091', '309049304233536.2392', '2345693291731947990831334343487091', 16],
['-2348783784774335.32233343434891', '309049304233536.233392', '-265783308900787155572543434891', 14],
['2348783784774335.323232342791', '-309049304233536.556172', '2657833089007871879404342791', 12],
['-2348783784774335.3232342791', '-309049304233536.556172', '-20397344805407987670622791', 10],
['1234568798347983.2334899238921', '0', '12345687983479832334899238921', 13],
['-0.00223287647368738736428467863784', '0.000', '-223287647368738736428467863784', 32],
];
}
/**
* @dataProvider providerMultipliedBy
*
* @param string $a The base number.
* @param string $b The number to multiply.
* @param string $unscaledValue The expected unscaled value.
* @param int $scale The expected scale.
*/
public function testMultipliedBy($a, $b, $unscaledValue, $scale)
{
$this->assertBigDecimalInternalValues($unscaledValue, $scale, BigDecimal::of($a)->multipliedBy($b));
}
/**
* @return array
*/
public function providerMultipliedBy()
{
return [
['123', '999', '122877', 0],
['123', '999.0', '1228770', 1],
['123', '999.00', '12287700', 2],
['123.0', '999', '1228770', 1],
['123.0', '999.0', '12287700', 2],
['123.0', '999.00', '122877000', 3],
['123.00', '999', '12287700', 2],
['123.00', '999.0', '122877000', 3],
['123.00', '999.00', '1228770000', 4],
['123', '-999', '-122877', 0],
['123', '-999.0', '-1228770', 1],
['123', '-999.00', '-12287700', 2],
['123.0', '-999', '-1228770', 1],
['123.0', '-999.0', '-12287700', 2],
['123.0', '-999.00', '-122877000', 3],
['123.00', '-999', '-12287700', 2],
['123.00', '-999.0', '-122877000', 3],
['123.00', '-999.00', '-1228770000', 4],
['-123', '999', '-122877', 0],
['-123', '999.0', '-1228770', 1],
['-123', '999.00', '-12287700', 2],
['-123.0', '999', '-1228770', 1],
['-123.0', '999.0', '-12287700', 2],
['-123.0', '999.00', '-122877000', 3],
['-123.00', '999', '-12287700', 2],
['-123.00', '999.0', '-122877000', 3],
['-123.00', '999.00', '-1228770000', 4],
['-123', '-999', '122877', 0],
['-123', '-999.0', '1228770', 1],
['-123', '-999.00', '12287700', 2],
['-123.0', '-999', '1228770', 1],
['-123.0', '-999.0', '12287700', 2],
['-123.0', '-999.00', '122877000', 3],
['-123.00', '-999', '12287700', 2],
['-123.00', '-999.0', '122877000', 3],
['-123.00', '-999.00', '1228770000', 4],
['589252.156111130', '999.2563989942545241223454', '5888139876152080735720775399923986443020', 31],
['-589252.15611130', '999.256398994254524122354', '-58881398761537794715991163083004200020', 29],
['589252.1561113', '-99.256398994254524122354', '-584870471152079471599116308300420002', 28],
['-58952.156111', '-9.256398994254524122357', '545684678534996098129205129273627', 27],
['0.1235437849158495728979344999999999999', '1', '1235437849158495728979344999999999999', 37],
['-1.324985980890283098409328999999999999', '1', '-1324985980890283098409328999999999999', 36],
];
}
/**
* @dataProvider providerDividedBy
*
* @param string $a The base number.
* @param string $b The number to divide.
* @param int|null $scale The desired scale of the result.
* @param int $roundingMode The rounding mode.
* @param string $unscaledValue The expected unscaled value of the result.
* @param int $expectedScale The expected scale of the result.
*/
public function testDividedBy($a, $b, $scale, $roundingMode, $unscaledValue, $expectedScale)
{
$decimal = BigDecimal::of($a)->dividedBy($b, $scale, $roundingMode);
$this->assertBigDecimalInternalValues($unscaledValue, $expectedScale, $decimal);
}
/**
* @return array
*/
public function providerDividedBy()
{
return [
[ '7', '0.2', 0, RoundingMode::UNNECESSARY, '35', 0],
[ '7', '-0.2', 0, RoundingMode::UNNECESSARY, '-35', 0],
['-7', '0.2', 0, RoundingMode::UNNECESSARY, '-35', 0],
['-7', '-0.2', 0, RoundingMode::UNNECESSARY, '35', 0],
['1234567890123456789', '0.01', 0, RoundingMode::UNNECESSARY, '123456789012345678900', 0],
['1234567890123456789', '0.010', 0, RoundingMode::UNNECESSARY, '123456789012345678900', 0],
['1324794783847839472983.343898', '1', 6, RoundingMode::UNNECESSARY, '1324794783847839472983343898', 6],
['-32479478384783947298.3343898', '1', 7, RoundingMode::UNNECESSARY, '-324794783847839472983343898', 7],
['1.5', '2', 2, RoundingMode::UNNECESSARY, '75', 2],
['1.5', '3', null, RoundingMode::UNNECESSARY, '5', 1],
['0.123456789', '0.00244140625', 10, RoundingMode::UNNECESSARY, '505679007744', 10],
['1.234', '123.456', 50, RoundingMode::DOWN, '999546397096941420425090720580611715914981855883', 50],
['1', '3', 10, RoundingMode::UP, '3333333334', 10],
['0.124', '0.2', 3, RoundingMode::UNNECESSARY, '620', 3],
['0.124', '2', 3, RoundingMode::UNNECESSARY, '62', 3],
];
}
/**
* @dataProvider providerDividedByByZeroThrowsException
* @expectedException \Brick\Math\Exception\DivisionByZeroException
*
* @param string|number $zero
*/
public function testDividedByByZeroThrowsException($zero)
{
BigDecimal::of(1)->dividedBy($zero, 0);
}
/**
* @return array
*/
public function providerDividedByByZeroThrowsException()
{
return [
[0],
[0.0],
['0'],
['0.0'],
['0.00']
];
}
/**
* @dataProvider providerExactlyDividedBy
*
* @param string|number $number The number to divide.
* @param string|number $divisor The divisor.
* @param string $expected The expected result, or a class name if an exception is expected.
*/
public function testExactlyDividedBy($number, $divisor, $expected)
{
$number = BigDecimal::of($number);
if ($this->isException($expected)) {
$this->expectException($expected);
}
$actual = $number->exactlyDividedBy($divisor);
if (! $this->isException($expected)) {
$this->assertBigDecimalEquals($expected, $actual);
}
}
/**
* @return array
*/
public function providerExactlyDividedBy()
{
return [
[1, 1, '1'],
['1.0', '1.00', '1'],
[1, 2, '0.5'],
[1, 3, RoundingNecessaryException::class],
[1, 4, '0.25'],
[1, 5, '0.2'],
[1, 6, RoundingNecessaryException::class],
[1, 7, RoundingNecessaryException::class],
[1, 8, '0.125'],
[1, 9, RoundingNecessaryException::class],
[1, 10, '0.1'],
['1.0', 2, '0.5'],
['1.00', 2, '0.5'],
['1.0000', 8, '0.125'],
[1, '4.000', '0.25'],
['1', '0.125', '8'],
['1.0', '0.125', '8'],
['1234.5678', '2', '617.2839'],
['1234.5678', '4', '308.64195'],
['1234.5678', '8', '154.320975'],
['1234.5678', '6.4', '192.90121875'],
['7', '3125', '0.00224'],
['4849709849456546549849846510128399', '18014398509481984', '269212976880902984.935786476657271160117801400701864622533321380615234375'],
['4849709849456546549849846510128399', '-18014398509481984', '-269212976880902984.935786476657271160117801400701864622533321380615234375'],
['-4849709849456546549849846510128399', '18014398509481984', '-269212976880902984.935786476657271160117801400701864622533321380615234375'],
['-4849709849456546549849846510128399', '-18014398509481984', '269212976880902984.935786476657271160117801400701864622533321380615234375'],
['123', '0', DivisionByZeroException::class],
[-789, '0.0', DivisionByZeroException::class],
];
}
/**
* @expectedException \Brick\Math\Exception\DivisionByZeroException
*/
public function testExactlyDividedByZero()
{
BigDecimal::of(1)->exactlyDividedBy(0);
}
/**
* @dataProvider providerDividedByWithRoundingNecessaryThrowsException
* @expectedException \Brick\Math\Exception\RoundingNecessaryException
*
* @param string $a The base number.
* @param string $b The number to divide by.
* @param int $scale The desired scale,.
*/
public function testDividedByWithRoundingNecessaryThrowsException($a, $b, $scale)
{
BigDecimal::of($a)->dividedBy($b, $scale);
}
/**
* @return array
*/
public function providerDividedByWithRoundingNecessaryThrowsException()
{
return [
['1.234', '123.456', 3],
['7', '2', 0],
['7', '3', 100],
];
}
/**
* @expectedException \InvalidArgumentException
*/
public function testDividedByWithNegativeScaleThrowsException()
{
BigDecimal::of(1)->dividedBy(2, -1);
}
/**
* @expectedException \InvalidArgumentException
*/
public function testDividedByWithInvalidRoundingModeThrowsException()
{
BigDecimal::of(1)->dividedBy(2, 0, -1);
}
/**
* @dataProvider providerRoundingMode
*
* @param int $roundingMode The rounding mode.
* @param string $number The number to round.
* @param string|null $two The expected rounding to a scale of two, or null if an exception is expected.
* @param string|null $one The expected rounding to a scale of one, or null if an exception is expected.
* @param string|null $zero The expected rounding to a scale of zero, or null if an exception is expected.
*/
public function testRoundingMode($roundingMode, $number, $two, $one, $zero)
{
$number = BigDecimal::of($number);
$this->doTestRoundingMode($roundingMode, $number, '1', $two, $one, $zero);
$this->doTestRoundingMode($roundingMode, $number->negated(), '-1', $two, $one, $zero);
}
/**
* @param int $roundingMode The rounding mode.
* @param BigDecimal $number The number to round.
* @param string $divisor The divisor.
* @param string|null $two The expected rounding to a scale of two, or null if an exception is expected.
* @param string|null $one The expected rounding to a scale of one, or null if an exception is expected.
* @param string|null $zero The expected rounding to a scale of zero, or null if an exception is expected.
*/
private function doTestRoundingMode($roundingMode, BigDecimal $number, $divisor, $two, $one, $zero)
{
foreach ([$zero, $one, $two] as $scale => $expected) {
if ($expected === null) {
$this->expectException(RoundingNecessaryException::class);
}
$actual = $number->dividedBy($divisor, $scale, $roundingMode);
if ($expected !== null) {
$this->assertBigDecimalInternalValues($expected, $scale, $actual);
}
}
}
/**
* @return array
*/
public function providerRoundingMode()
{
return [
[RoundingMode::UP, '3.501', '351', '36', '4'],
[RoundingMode::UP, '3.500', '350', '35', '4'],
[RoundingMode::UP, '3.499', '350', '35', '4'],
[RoundingMode::UP, '3.001', '301', '31', '4'],
[RoundingMode::UP, '3.000', '300', '30', '3'],
[RoundingMode::UP, '2.999', '300', '30', '3'],
[RoundingMode::UP, '2.501', '251', '26', '3'],
[RoundingMode::UP, '2.500', '250', '25', '3'],
[RoundingMode::UP, '2.499', '250', '25', '3'],
[RoundingMode::UP, '2.001', '201', '21', '3'],
[RoundingMode::UP, '2.000', '200', '20', '2'],
[RoundingMode::UP, '1.999', '200', '20', '2'],
[RoundingMode::UP, '1.501', '151', '16', '2'],
[RoundingMode::UP, '1.500', '150', '15', '2'],
[RoundingMode::UP, '1.499', '150', '15', '2'],
[RoundingMode::UP, '1.001', '101', '11', '2'],
[RoundingMode::UP, '1.000', '100', '10', '1'],
[RoundingMode::UP, '0.999', '100', '10', '1'],
[RoundingMode::UP, '0.501', '51', '6', '1'],
[RoundingMode::UP, '0.500', '50', '5', '1'],
[RoundingMode::UP, '0.499', '50', '5', '1'],
[RoundingMode::UP, '0.001', '1', '1', '1'],
[RoundingMode::UP, '0.000', '0', '0', '0'],
[RoundingMode::UP, '-0.001', '-1', '-1', '-1'],
[RoundingMode::UP, '-0.499', '-50', '-5', '-1'],
[RoundingMode::UP, '-0.500', '-50', '-5', '-1'],
[RoundingMode::UP, '-0.501', '-51', '-6', '-1'],
[RoundingMode::UP, '-0.999', '-100', '-10', '-1'],
[RoundingMode::UP, '-1.000', '-100', '-10', '-1'],
[RoundingMode::UP, '-1.001', '-101', '-11', '-2'],
[RoundingMode::UP, '-1.499', '-150', '-15', '-2'],
[RoundingMode::UP, '-1.500', '-150', '-15', '-2'],
[RoundingMode::UP, '-1.501', '-151', '-16', '-2'],
[RoundingMode::UP, '-1.999', '-200', '-20', '-2'],
[RoundingMode::UP, '-2.000', '-200', '-20', '-2'],
[RoundingMode::UP, '-2.001', '-201', '-21', '-3'],
[RoundingMode::UP, '-2.499', '-250', '-25', '-3'],
[RoundingMode::UP, '-2.500', '-250', '-25', '-3'],
[RoundingMode::UP, '-2.501', '-251', '-26', '-3'],
[RoundingMode::UP, '-2.999', '-300', '-30', '-3'],
[RoundingMode::UP, '-3.000', '-300', '-30', '-3'],
[RoundingMode::UP, '-3.001', '-301', '-31', '-4'],
[RoundingMode::UP, '-3.499', '-350', '-35', '-4'],
[RoundingMode::UP, '-3.500', '-350', '-35', '-4'],
[RoundingMode::UP, '-3.501', '-351', '-36', '-4'],
[RoundingMode::DOWN, '3.501', '350', '35', '3'],
[RoundingMode::DOWN, '3.500', '350', '35', '3'],
[RoundingMode::DOWN, '3.499', '349', '34', '3'],
[RoundingMode::DOWN, '3.001', '300', '30', '3'],
[RoundingMode::DOWN, '3.000', '300', '30', '3'],
[RoundingMode::DOWN, '2.999', '299', '29', '2'],
[RoundingMode::DOWN, '2.501', '250', '25', '2'],
[RoundingMode::DOWN, '2.500', '250', '25', '2'],
[RoundingMode::DOWN, '2.499', '249', '24', '2'],
[RoundingMode::DOWN, '2.001', '200', '20', '2'],
[RoundingMode::DOWN, '2.000', '200', '20', '2'],
[RoundingMode::DOWN, '1.999', '199', '19', '1'],
[RoundingMode::DOWN, '1.501', '150', '15', '1'],
[RoundingMode::DOWN, '1.500', '150', '15', '1'],
[RoundingMode::DOWN, '1.499', '149', '14', '1'],
[RoundingMode::DOWN, '1.001', '100', '10', '1'],
[RoundingMode::DOWN, '1.000', '100', '10', '1'],
[RoundingMode::DOWN, '0.999', '99', '9', '0'],
[RoundingMode::DOWN, '0.501', '50', '5', '0'],
[RoundingMode::DOWN, '0.500', '50', '5', '0'],
[RoundingMode::DOWN, '0.499', '49', '4', '0'],
[RoundingMode::DOWN, '0.001', '0', '0', '0'],
[RoundingMode::DOWN, '0.000', '0', '0', '0'],
[RoundingMode::DOWN, '-0.001', '0', '0', '0'],
[RoundingMode::DOWN, '-0.499', '-49', '-4', '0'],
[RoundingMode::DOWN, '-0.500', '-50', '-5', '0'],
[RoundingMode::DOWN, '-0.501', '-50', '-5', '0'],
[RoundingMode::DOWN, '-0.999', '-99', '-9', '0'],
[RoundingMode::DOWN, '-1.000', '-100', '-10', '-1'],
[RoundingMode::DOWN, '-1.001', '-100', '-10', '-1'],
[RoundingMode::DOWN, '-1.499', '-149', '-14', '-1'],
[RoundingMode::DOWN, '-1.500', '-150', '-15', '-1'],
[RoundingMode::DOWN, '-1.501', '-150', '-15', '-1'],
[RoundingMode::DOWN, '-1.999', '-199', '-19', '-1'],
[RoundingMode::DOWN, '-2.000', '-200', '-20', '-2'],
[RoundingMode::DOWN, '-2.001', '-200', '-20', '-2'],
[RoundingMode::DOWN, '-2.499', '-249', '-24', '-2'],
[RoundingMode::DOWN, '-2.500', '-250', '-25', '-2'],
[RoundingMode::DOWN, '-2.501', '-250', '-25', '-2'],
[RoundingMode::DOWN, '-2.999', '-299', '-29', '-2'],
[RoundingMode::DOWN, '-3.000', '-300', '-30', '-3'],
[RoundingMode::DOWN, '-3.001', '-300', '-30', '-3'],
[RoundingMode::DOWN, '-3.499', '-349', '-34', '-3'],
[RoundingMode::DOWN, '-3.500', '-350', '-35', '-3'],
[RoundingMode::DOWN, '-3.501', '-350', '-35', '-3'],
[RoundingMode::CEILING, '3.501', '351', '36', '4'],
[RoundingMode::CEILING, '3.500', '350', '35', '4'],
[RoundingMode::CEILING, '3.499', '350', '35', '4'],
[RoundingMode::CEILING, '3.001', '301', '31', '4'],
[RoundingMode::CEILING, '3.000', '300', '30', '3'],
[RoundingMode::CEILING, '2.999', '300', '30', '3'],
[RoundingMode::CEILING, '2.501', '251', '26', '3'],
[RoundingMode::CEILING, '2.500', '250', '25', '3'],
[RoundingMode::CEILING, '2.499', '250', '25', '3'],
[RoundingMode::CEILING, '2.001', '201', '21', '3'],
[RoundingMode::CEILING, '2.000', '200', '20', '2'],
[RoundingMode::CEILING, '1.999', '200', '20', '2'],
[RoundingMode::CEILING, '1.501', '151', '16', '2'],
[RoundingMode::CEILING, '1.500', '150', '15', '2'],
[RoundingMode::CEILING, '1.499', '150', '15', '2'],
[RoundingMode::CEILING, '1.001', '101', '11', '2'],
[RoundingMode::CEILING, '1.000', '100', '10', '1'],
[RoundingMode::CEILING, '0.999', '100', '10', '1'],
[RoundingMode::CEILING, '0.501', '51', '6', '1'],
[RoundingMode::CEILING, '0.500', '50', '5', '1'],
[RoundingMode::CEILING, '0.499', '50', '5', '1'],
[RoundingMode::CEILING, '0.001', '1', '1', '1'],
[RoundingMode::CEILING, '0.000', '0', '0', '0'],
[RoundingMode::CEILING, '-0.001', '0', '0', '0'],
[RoundingMode::CEILING, '-0.499', '-49' , '-4', '0'],
[RoundingMode::CEILING, '-0.500', '-50' , '-5', '0'],
[RoundingMode::CEILING, '-0.501', '-50', '-5', '0'],
[RoundingMode::CEILING, '-0.999', '-99', '-9', '0'],
[RoundingMode::CEILING, '-1.000', '-100', '-10', '-1'],
[RoundingMode::CEILING, '-1.001', '-100', '-10', '-1'],
[RoundingMode::CEILING, '-1.499', '-149', '-14', '-1'],
[RoundingMode::CEILING, '-1.500', '-150', '-15', '-1'],
[RoundingMode::CEILING, '-1.501', '-150', '-15', '-1'],
[RoundingMode::CEILING, '-1.999', '-199', '-19', '-1'],
[RoundingMode::CEILING, '-2.000', '-200', '-20', '-2'],
[RoundingMode::CEILING, '-2.001', '-200', '-20', '-2'],
[RoundingMode::CEILING, '-2.499', '-249', '-24', '-2'],
[RoundingMode::CEILING, '-2.500', '-250', '-25', '-2'],
[RoundingMode::CEILING, '-2.501', '-250', '-25', '-2'],
[RoundingMode::CEILING, '-2.999', '-299', '-29', '-2'],
[RoundingMode::CEILING, '-3.000', '-300', '-30', '-3'],
[RoundingMode::CEILING, '-3.001', '-300', '-30', '-3'],
[RoundingMode::CEILING, '-3.499', '-349', '-34', '-3'],
[RoundingMode::CEILING, '-3.500', '-350', '-35', '-3'],
[RoundingMode::CEILING, '-3.501', '-350', '-35', '-3'],
[RoundingMode::FLOOR, '3.501', '350', '35', '3'],
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