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DecimalMulTest::testZeroFiniteMul()   A
last analyzed

↳ Parent: DecimalMulTest

Complexity

Conditions 1
Paths 1

Size

Total Lines 14
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 14
rs 9.4285
cc 1
eloc 9
nc 1
nop 0
1 
<?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 DecimalMulTest extends TestCase

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function testZeroFiniteMul()

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $z = Decimal::fromInteger(0);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $n = Decimal::fromInteger(5);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $r1 = $z->mul($n);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $r2 = $n->mul($z);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertTrue($r1->equals($r2));

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertTrue($r2->equals($r1));

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertTrue($r1->isZero());

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertTrue($r2->isZero());

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function testSignsMul()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $n1 = Decimal::fromInteger(1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $n2 = Decimal::fromInteger(-1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $n11 = $n1->mul($n1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $n12 = $n1->mul($n2);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $n21 = $n2->mul($n1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n1->equals($n11));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n11->equals($n1));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n11->isPositive());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertFalse($n11->isNegative());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n12->equals($n21));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n21->equals($n12));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n12->isNegative());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertTrue($n21->isNegative());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertFalse($n12->isPositive());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertFalse($n21->isPositive());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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