fails(JRUBY-4176):Matrix.[] requires arrays as parameters
fails(JRUBY-4176):Matrix.[] creates an empty Matrix with no arguments
fails(JRUBY-4176):Matrix.[] raises for non-rectangular matrices
fails(JRUBY-4176):Matrix.[] accepts vector arguments
fails(JRUBY-4176):Matrix.[] tries to calls :to_ary on arguments
