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<?php |
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use Litipk\BigNumbers\Decimal as Decimal; |
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use PHPUnit\Framework\TestCase; |
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date_default_timezone_set('UTC'); |
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class DecimalFromStringTest extends TestCase |
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{ |
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public function testNegativeSimpleString() |
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{ |
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$n1 = Decimal::fromString('-1'); |
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$n2 = Decimal::fromString('-1.0'); |
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$this->assertTrue($n1->isNegative()); |
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$this->assertTrue($n2->isNegative()); |
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$this->assertFalse($n1->isPositive()); |
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$this->assertFalse($n2->isPositive()); |
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$this->assertEquals($n1->__toString(), '-1'); |
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$this->assertEquals($n2->__toString(), '-1.0'); |
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} |
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public function testExponentialNotationString_With_PositiveExponent_And_Positive() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('1e3')->equals(Decimal::fromInteger(1000)) |
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); |
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$this->assertTrue( |
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Decimal::fromString('1.5e3')->equals(Decimal::fromInteger(1500)) |
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); |
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} |
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public function testExponentialNotationString_With_PositiveExponent_And_NegativeSign() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('-1e3')->equals(Decimal::fromInteger(-1000)) |
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); |
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$this->assertTrue( |
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Decimal::fromString('-1.5e3')->equals(Decimal::fromInteger(-1500)) |
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); |
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} |
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public function testExponentialNotationString_With_NegativeExponent_And_Positive() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('1e-3')->equals(Decimal::fromString('0.001')) |
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); |
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$this->assertTrue( |
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Decimal::fromString('1.5e-3')->equals(Decimal::fromString('0.0015')) |
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); |
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} |
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public function testExponentialNotationString_With_NegativeExponent_And_NegativeSign() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('-1e-3')->equals(Decimal::fromString('-0.001')) |
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); |
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$this->assertTrue( |
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Decimal::fromString('-1.5e-3')->equals(Decimal::fromString('-0.0015')) |
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); |
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} |
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public function testSimpleNotation_With_PositiveSign() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('+34')->equals(Decimal::fromString('34')) |
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); |
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$this->assertTrue( |
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Decimal::fromString('+00034')->equals(Decimal::fromString('34')) |
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); |
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} |
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public function testExponentialNotation_With_PositiveSign() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('+1e3')->equals(Decimal::fromString('1e3')) |
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); |
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$this->assertTrue( |
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Decimal::fromString('+0001e3')->equals(Decimal::fromString('1e3')) |
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); |
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} |
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public function testExponentialNotation_With_LeadingZero_in_ExponentPart() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('1.048576E+06')->equals(Decimal::fromString('1.048576e6')) |
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); |
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} |
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public function testExponentialNotation_With_ZeroExponent() |
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{ |
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$this->assertTrue( |
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Decimal::fromString('3.14E+00')->equals(Decimal::fromString('3.14')) |
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); |
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} |
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/** |
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* @expectedException \InvalidArgumentException |
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* @expectedExceptionMessage $strValue must be a string that represents uniquely a finite float point number. |
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*/ |
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public function testBadString() |
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{ |
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Decimal::fromString('hello world'); |
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} |
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public function testWithScale() |
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{ |
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$this->assertTrue(Decimal::fromString('7.426', 2)->equals(Decimal::fromString('7.43'))); |
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} |
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} |
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Litipk /
php-bignumbers
