--- holes
array:       { , , three }
size:        3
read hole:   <uninitialized object>
past end:    error{ errortext = "Array index out of bounds" }
assigned:    { <uninitialized object>, , three }
concat:      { <uninitialized object>, , three }
slice:       { <uninitialized object>, , three }
in:          3
not in:      0
--- adding and removing members
dotplus:     <uninitialized object>
dotplus 2:   error{ errortext = "Member already exists" }
unknown mth: <uninitialized object>
--- sorting by a sub index
sorted:      1 { { 1, a }, { 2, b }, { 3, c } }
sub zero:    error{ errortext = "Invalid sub_index value" }
sub bad:     error{ errortext = "Invalid parameter type" }
two params:  error{ errortext = "array.sort(sub_index=0) takes at most one parameter." }
--- sorted_insert
insert:      1 { 1, 3, 4, 5 }
reversed:    1 { 1, 3, 4, 5, 2 }
no params:   error{ errortext = "array.sorted_insert(obj, sub_index:=0, reverse:=0) takes at least one parameter." }
sub neg:     error{ errortext = "Invalid sub_index value" }
sub bad:     error{ errortext = "Invalid parameter type" }
reverse bad: error{ errortext = "Invalid parameter type" }
--- parameter refusals
insert one:  error{ errortext = "array.insert(index,value) requires two parameters." }
insert bad:  error{ errortext = "Invalid parameter type.  Expected param 0 as Integer, got String" }
append none: error{ errortext = "array.append(value) requires a parameter." }
erase bad:   error{ errortext = "Invalid parameter type.  Expected param 0 as Integer, got String" }
shrink bad:  error{ errortext = "Invalid parameter type.  Expected param 0 as Integer, got String" }
exists bad:  error{ errortext = "Invalid parameter type" }
reverse parm:error{ errortext = "array.reverse() doesn't take parameters." }
--- an array that changes under the callback
find:        <uninitialized object>
left:        { 1 }