Alexander pleaded not guilty to all of the charges.
The since-fired security guard said he drew his weapon after Alexander reached for something in his pocket.
Alexander also tried to enter the property days before the wedding, Eubeler testified.
Britney Spears' ex-husband Jason Allen Alexander ordered to trial on stalking charge after crashing wedding.Steve Granitz/WireImage; Enos Solomon/FilmMagic
Alexander is set to return to court on July 12, according to multiple reports.
Both Spears and husband Sam Asghari have sinceobtained an emergency restraining orderagainst Alexander.
Spears and Alexander were childhood friends who wed in Las Vegas in 2004.
The marriage made headlines for lasting 55 hours.
Alexander made headlines again earlier this year when hepleaded guiltyto stalking an unidentified woman after his arrest in Tennessee.
Spears was also previously married toKevin Federlinebetween 2004 and 2007.
They share two teenage children together.
