#testmode:repl
# Dict tests

## Construction

x : 10
(a => 1 b => 2 c => 3)
(a => 1 x => x)
(a => 1 (x) => x)

(a => 42  x * 2 => "Hello"  c => 23.5)

(a => (1, 2))
(1 2 c => 3 4)

(1 true => 2 "true" => 3)
(1 (true) => 2 "true" => 3)

d = (b => 3 c => 1 a => 2)
d

## Comparison

a = (a => 1 b => 2)
b = (b => 2 a => 1)
c = (a => 1 b => 2 c => 3)
d = (c => 3 b => 2 a => 1)
a < c   a < b   c < d   c <= a   a == a   a != b   c >= a   b > a   c > a   c > b

## Items

d = (name => "John")
d["name"]
d["name"] = "Doe"
d["name"]

d = (x => 1)
d["x"]++ d["x"] ++d["x"]

d = (name => "John")
#(
#    d["x"]            # void
#    d["x"] = 42       # void
#    d["x"]            # 42
#    d["x"]++          # 42
#    ++d["x"]          # 44
#    d["name"] = void  # void
#    d.len             # 1
#)
(d["x"]  d["x"] = 42   d["x"]  d["x"]++  ++d["x"]  d["name"] = void  d.len)

d = (name => "John")
(d["x"]  { d["x"] = 42 }   d["x"]  d["x"]++  ++d["x"]  d["name"] = void  d.len)

d = (name => "John")
d.get_item("lastname", "Doe")  d.set_item("lastname", "Ezel")  d["lastname"] = "Esel"  d["lastname"]  d.set_item("name")  d.get_item("name", "Horst")
#(
#    d.get_item("lastname", "Doe")   # "Doe"
#    d.set_item("lastname", "Ezel")  # "Ezel"
#    d["lastname"] = "Esel"          # void
#    d["lastname"]                   # "Esel"
#    d.set_item("name")              # unset name
#    d.get_item("name", "Horst")     # "Horst"
#)

d = (name => "John")
(d.get_item("lastname", "Doe")  d.set_item("lastname", "Ezel")  d["lastname"] = "Esel"  d["lastname"]  d.set_item("name")  d.get_item("name", "Horst"))

#(
#    d.get_item("lastname", "Doe")   # "Doe"
#    d.set_item("lastname", "Ezel")  # "Ezel"
#    d["lastname"] = "Esel"          # "Esel"
#    d["lastname"]                   # "Esel"
#    d.set_item("name")              # unset name
#    d.get_item("name", "Horst")     # "Horst"
#)

## len

().len()
d = (a => 1  b => 2)

d.len()
dict_len("Donkey")  # invalid

list(iter(d))
list(d.keys)
list(d.items)

# merge

d = (a => 1 b => 2)
d.merge((c => 3))
d
d.merge(d)
(a => 23 b => 42) $1.merge($1)

## push

d = dict()
d.push(1, 2)
d.push(2, 3)
d

d = dict()
d.push(1, 2)
d.push(2, 3)
d.push(1, 4)

## pop

d = ("esel" => 1 "bert" => 2 "edgar" => 42 "klaus" => 23)
d
d.pop("franz")
d.pop("franz", "eugen")
d.pop("bert")
d
d.pop()
d

#---
#(a => 1 b => 2 c => 3)
#(a => 1 x => 10)
#(a => 1 10 => 10)

#(a => 42 20 => "Hello" c => 23.5)

#(a => (1, 2))
#(0 => 1 1 => 2 c => 3 3 => 4)

#(0 => 1 "true" => 3)
#(0 => 1 true => 2 "true" => 3)

#(b => 3 c => 1 a => 2)

#(true, true, true, false, true, true, true, true, true, true)

#"John"
#"Doe"

#(1, 2, 3)

#(42, 42, 42, 44, 1)

#(42, 42, 44, 1)

#("Doe", "Ezel", "Esel", "Horst")

#("Doe", "Ezel", "Esel", "Esel", "Horst")

#0
#2
#ERR:Line 1, column 1: dict_len() only accepts 'dict' as parameter, not 'str'

#(1, 2)
#("a", "b")
#(("a", 1), ("b", 2))

#(a => 1 b => 2 c => 3)
#(a => 1 b => 2 c => 3)
#(a => 1 b => 2 c => 3)
#((a => 23 b => 42), (a => 23 b => 42))

#(1 => 2 2 => 3)
#2

#(esel => 1 bert => 2 edgar => 42 klaus => 23)
#"eugen"
#2
#(esel => 1 edgar => 42 klaus => 23)
#23
#(esel => 1 edgar => 42)