OptionSchema

use libtmux::{OptionKind, OptionScope, option_schema};

let schema = option_schema("history-limit").expect("a documented option");
assert_eq!(schema.name(), "history-limit");
assert_eq!(schema.kind(), OptionKind::Number);
assert_eq!(schema.scopes(), [OptionScope::Session]);
assert!(schema.accepts(OptionScope::Session));

// An option tmux does not have has no schema, which catches a typo before it
// reaches the server.
assert!(option_schema("history-limits").is_none());