- name: existing field - matches
  document:
    name: Angel Share
  query:
    name:
      $exists: true
  matches: true

- name: existing field - does not match
  document:
    name: Angel Share
  query:
    name:
      $exists: false
  matches: false

- name: missing field - matches
  document:
    name: Angel Share
  query:
    no_name:
      $exists: false
  matches: true

- name: missing field - does not match
  document:
    name: Angel Share
  query:
    no_name:
      $exists: true
  matches: false

- name: null field - true - matches
  document:
    name: ~
  query:
    name:
      $exists: true
  matches: true

- name: null field - true - does not match
  document:
    name: ~
  query:
    no_name:
      $exists: true
  matches: false

- name: null field - false - matches
  document:
    name: ~
  query:
    no_name:
      $exists: false
  matches: true

- name: null field - false - does not match
  document:
    name: ~
  query:
    name:
      $exists: false
  matches: false

- name: existing array element - true - matches
  document:
    cities:
      - ny
  query:
    cities.0:
      $exists: true
  matches: true

- name: existing array element - false - does not matches
  document:
    cities:
      - ny
  query:
    cities.0:
      $exists: false
  matches: false

- name: missing array element - true - matches
  document:
    cities:
      - ny
  query:
    cities.0:
      $exists: true
  matches: true

- name: missing array element - false - matches
  document:
    cities:
      - ny
  query:
    cities.1:
      $exists: false
  matches: true

- name: missing array element - does not match
  document:
    cities:
      - ny
  query:
    cities.1:
      $exists: true
  matches: false

- name: array contains documents with present and missing fields - hash path - true
  document:
    cities:
      - name: ny
      - country: us
  query:
    cities.name:
      $exists: true
  matches: true

- name: array contains documents with present and missing fields - hash path - false
  document:
    cities:
      - name: ny
      - country: us
  query:
    cities.name:
      $exists: false
  matches: false

- name: array input with hash path - true - no match
  document:
    cities:
      - country: us
  query:
    cities.name:
      $exists: true
  matches: false

- name: array input with hash path - false - no match
  document:
    cities:
      - country: us
  query:
    cities.name:
      $exists: false
  matches: true

- name: empty array - true
  document:
    cities: []
  query:
    cities:
      $exists: true
  matches: true

- name: empty array - false
  document:
    cities: []
  query:
    cities:
      $exists: false
  matches: false

- name: true - true
  document:
    cities: true
  query:
    cities:
      $exists: true
  matches: true

- name: false - true
  document:
    cities: true
  query:
    cities:
      $exists: true
  matches: true

- name: empty hash
  document:
    cities: {}
  query:
    cities:
      $exists: true
  matches: true

- name: nil argument - match
  document:
    positions: [ceo, cto]
  query:
    no_positions:
      $exists: ~
  matches: true

- name: nil argument - no match
  document:
    positions: [ceo, cto]
  query:
    positions:
      $exists: ~
  matches: false

- name: matching range
  document:
    age: 10
  query:
    age:
      $exists: !ruby/range
        begin: 1
        end: 20
        excl: false
  error: true