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<?php |
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namespace PHP\Math\BigIntegerTest; |
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use PHP\Math\BigInteger\BigInteger; |
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use PHPUnit_Framework_TestCase; |
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class BigIntegerNegateTest extends PHPUnit_Framework_TestCase |
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{ |
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public function testNegate() |
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{ |
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// Arrange |
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$bigInteger = new BigInteger('123'); |
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// Act |
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$bigInteger->negate(); |
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// Assert |
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$this->assertInternalType('string', $bigInteger->getValue()); |
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$this->assertEquals('-123', $bigInteger->getValue()); |
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} |
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public function testWithMutableFalse() |
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{ |
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// Arrange |
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$bigInteger = new BigInteger('10', false); |
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// Act |
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$newBigInteger = $bigInteger->negate(); |
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// Assert |
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$this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $bigInteger); |
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$this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $newBigInteger); |
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$this->assertEquals('10', $bigInteger->getValue()); |
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$this->assertEquals('-10', $newBigInteger->getValue()); |
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} |
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public function testWithMutableTrue() |
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{ |
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// Arrange |
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$bigInteger = new BigInteger('10', true); |
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// Act |
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$newBigInteger = $bigInteger->negate(); |
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// Assert |
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$this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $bigInteger); |
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$this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $newBigInteger); |
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$this->assertEquals('-10', $bigInteger->getValue()); |
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$this->assertEquals('-10', $newBigInteger->getValue()); |
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} |
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} |
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phpmath /
biginteger
