BugReporter::getBacktraceString PHP Method

    public function getBacktraceString()
    {
        return $this->m_backtrace;
    }

 function test_formatOfLine ()
 {
     $reporter = new BugReporter (2, "bad bad error", "/nondir/nonfile.php", 3, "Campsite", "2.5.0", $this->vars->time, $this->vars->backtrace);
     $backtrace = $reporter->getBacktraceString();
     $this->assertWantedPattern
         ("/[a-z_]+\:\:[a-z_]+\(\)\ called\ at\ \[[^][:]+\.php\:[1-9][0-9]*\]/", $backtrace);
 }