# Invalid Blocks

All errors should be collected, printed and exit with 1.

Malformed YAML:

    ---
    id: fn1
    fail
    ...
    1 + 2 + 3

Empty YAML:

    ---
    ...
    1 + 2 + 3

Empty code:

    ---
    id: fn1
    ...

Empty YAML and code:

    ---
    ...

Misses arg:

    ---
    id: fn1
    ...
    #a + #b

Misses id:

    ---
    identifier: fn1
    ...
    1 + 2 + 3

Wrong id (doesn't starts with `%a`):

    ---
    id: 1
    ...
    1 + 2 + 3

Wrong id (doesn't follows with `%w`):

    ---
    id: f-1
    ...
    1 + 2 + 3

Wrong id (more than 1 word):

    ---
    id: f n1
    ...
    1 + 2 + 3

Uknown cmd:

    ---
    id: fn1
    cmd: pyton -E -X utf8
    args:
      n: 2
    ...
    #n + #n

Unknown key:

    ---
    id: fn1
    language: fennel
    args:
      a: 1
      b: 2
    ...
    (* #a #b)

Invalid value:

    ---
    id: fn1
    shift: "true"
    ...
    "The literate block is shifted by its eval result."

Invalid code:

    ---
    id: fn1
    ...
    false + false

Infinite loop:

    ---
    id: fn1
    args:
        x: 1
    ...
    #fn1(2) * #x

# Blocks for Invalid Inserts:

    ---
    id: fn1
    typed: true
    args:
      a: 1
      b: 2
    ...
    #a * #b

# Invalid Inserts

-   `fn1(` never end
-   `fn1(invalid arg)`
-   `fn1()` misses args
-   `fn1(1)` less args
-   `fn1(1, 2, 3)` extra args
-   `fn1(x: 3, y: 4)` wrong kwargs
-   `fn1(1, a: 2)` mixed arg and kwarg
-   `fn1(a: 1.0, b: 2.0)` misses type
-   `fn2()` not declared