id: mod-declaration-visibility-order
valid:
  - |
    pub mod a;
    pub(crate) mod b;
    pub(super) mod c;

    mod d;
  # A `#[macro_use]` module has to stay first, so it never counts as a predecessor.
  - |
    #[macro_use]
    mod macros;
    pub mod a;
  - |
    #[macro_use]
    pub(crate) mod macros;
    pub mod a;
  # Same tier in either direction.
  - |
    pub(crate) mod a;
    pub(super) mod b;
invalid:
  - |
    mod a;
    pub mod b;
  - |
    pub(crate) mod a;
    pub mod b;
  - |
    mod a;
    pub(crate) mod b;
  - |
    mod a;
    pub(super) mod b;
  # Neither a comment nor an attribute must hide the predecessor.
  - |
    mod a;
    // documentation
    pub mod b;
  - |
    mod a;
    #[cfg(test)]
    pub mod b;