setup

test "red" is a color
test not ("red" is not a color)

test 123 is a color
test 0,0,0 is a color

test "abc" is not a color
test 1.5 is not a color

test 0,0 is not a color
test 0,0,0,0 is not a color
test 0,"abc",0 is not a color
test "red","green","blue" is not a color

teardown