SystemClockTest
        
        extends TestCase
    
    
            
    
    
    
        
        
    
        
                    
    - 
        #[CoversClass]
    
- 
        \OpenTelemetry\API\Common\Time\SystemClock::class
    
    Table of Contents
    
    Constants
    
            - 
    NANOS_PER_SECOND
    
         = 1000000000                            
    Methods
    
            - 
    test_now_is_chronological()
    
                                 : void    
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    test_now_returns_nanoseconds()
    
                                 : void    
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    assertNanoSecondsWallClock()
    
                                 : void    
        NANOS_PER_SECOND
        
    
    
    
    
    
    private
        mixed
    NANOS_PER_SECOND
    = 1000000000
    
    
    
    
            
        
            
        
                    
    
        test_now_is_chronological()
        
    
    
    
    
    public
                    test_now_is_chronological() : void
    
        
    
    
    
    
    
    
                    
    
        test_now_returns_nanoseconds()
        
    
    
    
    
    public
                    test_now_returns_nanoseconds() : void
    
        
    
    
    
    
    
    
                    
    
        assertNanoSecondsWallClock()
        
    
    
    
    
    private
                    assertNanoSecondsWallClock(int $value, DateTime $reference) : void
    
        
    
    
        Parameters
    
                    - 
                $value
                : int
                            
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                $reference
                : DateTime
                            
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