cases:
  - id: json-booleans
    valid: true
    text: "enabled: true\ndisabled: false\n"
  - id: yaml-boolean-spelling-remains-string
    valid: true
    text: "answer: yes\n"
  - id: duplicate-key
    valid: false
    text: "id: one\nid: two\n"
  - id: anchor-and-alias
    valid: false
    text: "one: &shared value\ntwo: *shared\n"
  - id: custom-tag
    valid: false
    text: "value: !custom unsafe\n"
  - id: non-finite
    valid: false
    text: "value: .inf\n"
  - id: non-string-key
    valid: false
    text: "1: value\n"