desc: Tests conversion to and from the RQL object type
tests:
    - cd:
        - r({})
        - r.expr({})
      py: r.expr({})
      ot: {}
    - cd:
        - r({a:1})
        - r.expr({'a':1})
      py: r.expr({'a':1})
      ot: {'a':1}
    - cd:
        - r({a:1, b:'two', c:True})
        - r.expr({'a':1, 'b':'two', 'c':True})
      py: r.expr({'a':1, 'b':'two', 'c':True})
      ot: {'a':1, 'b':'two', 'c':True}

    # Nested expressions
    - cd: r.expr({'a':r.expr(1)})
      ot: {'a':1}

    - cd: r.expr({'a':{'b':[{'c':2}, 'a', 4]}})
      ot: {'a':{'b':[{'c':2}, 'a', 4]}}

    - cd: r.expr({'a':1}).type_of()
      ot: 'OBJECT'

    # test coercions
    - cd: r.expr({'a':1}).coerce_to('string')
      ot:
        cd: '{"a":1}'

    - cd: r.expr({'a':1}).coerce_to('object')
      ot: {'a':1}

    - cd: r.expr({'a':1}).coerce_to('array')
      ot: [['a',1]]

    # Error cases
    - cd: r.expr({12:'a'})
      # JavaScript auto-converts keys for us
      js:
      ot: err_regex("ReqlCompileError", "Object keys must be strings.*")
    
    - cd: r.expr({'a':{12:'b'}})
      # JavaScript auto-converts keys for us
      js:
      ot: err_regex("ReqlCompileError", "Object keys must be strings.*")

    - js: r({'a':undefined})
      ot: err("ReqlCompileError", "Object field 'a' may not be undefined")

    - js: r({'a':{'b':undefined}})
      ot: err("ReqlCompileError", "Object field 'b' may not be undefined")

    - cd: r.expr({}, "foo")
      ot:
        cd: err("ReqlCompileError", "Second argument to `r.expr` must be a number.")
        js: err("ReqlCompileError", "Second argument to `r.expr` must be a number or undefined.")

    - js: r.expr({}, NaN)
      ot: err("ReqlCompileError", "Second argument to `r.expr` must be a number or undefined.")

    # r.object
    - cd: r.object()
      ot: {}

    - cd: r.object('a', 1, 'b', 2)
      ot: {'a':1,'b':2}

    - cd: r.object('c'+'d', 3)
      ot: {'cd':3}

    - cd: r.object('o','d','d')
      ot: err("ReqlQueryLogicError", "OBJECT expects an even number of arguments (but found 3).", [])

    - cd: r.object(1, 1)
      ot: err("ReqlQueryLogicError","Expected type STRING but found NUMBER.",[])

    - cd: r.object('e', 4, 'e', 5)
      ot: err("ReqlQueryLogicError","Duplicate key \"e\" in object.  (got 4 and 5 as values)",[])

    - cd: r.object('g', r.db('test'))
      ot: err("ReqlQueryLogicError","Expected type DATUM but found DATABASE:",[])