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//! Error handling.

use errno;

error_chain! {
    errors {
        /// Parsing error due to invalid capability name.
        InvalidCapName(name: String) {
            description("invalid capability name")
            display("invalid capability name: '{}'", name)
        }
        /// Syscall error, as `errno(3)`.
        Sys(errno: errno::Errno) {
            description("syscall failed")
            display("{}", errno)
        }
    }
}

#[test]
fn test_sys_errno() {
    let eperm = errno::Errno(1);
    let err = ErrorKind::Sys(eperm);
    assert!(err.description().contains("syscall failed"));
    assert!(format!("{}", err).contains("Operation not permitted"));
}