Inconsistent behavior of the test command with associative arrays

[limited time <burnermail4now@xxxxxxxxx>]

% zsh -f

% typeset -A array=(key1 value1 key2 value2);

test $array[key1] ; echo $? ;

test $array[key2] ; echo $? ;

test $array[key3] ; echo $? ;

test $array[key4] ; echo $? ;

if test $array[key1] -a $array[key2] ; then

  echo "Condition evaluated to true" ;

fi                                             

if test $array[key3] -a $array[key4] ; then             

  echo "Condition evaluated to true" ;

fi

0

0

1

1

Condition evaluated to true

Condition evaluated to true