generic.rs

				map.insert(AuthorityId(2), GroupId(2));
				map.insert(AuthorityId(3), GroupId(2));
				map
			}
		};

		// have 2/3 validity guarantors note validity.
		let mut table = create();
		let statement = SignedStatement {
			statement: Statement::Candidate(Candidate(2, 100)),
			signature: Signature(1),
			sender: AuthorityId(1),
		};
		let candidate_digest = Digest(100);

		table.import_statement(&context, statement);

		assert!(!table.detected_misbehavior.contains_key(&AuthorityId(1)));
		assert!(!table.candidate_includable(&candidate_digest, &context));
		assert!(table.includable_count.is_empty());

		let vote = SignedStatement {
			statement: Statement::Valid(candidate_digest.clone()),
			signature: Signature(2),
			sender: AuthorityId(2),
		};

		table.import_statement(&context, vote);
		assert!(!table.detected_misbehavior.contains_key(&AuthorityId(2)));
		assert!(table.candidate_includable(&candidate_digest, &context));
		assert!(table.includable_count.get(&GroupId(2)).is_some());

		// have the last validity guarantor note invalidity. now it is unincludable.
		let vote = SignedStatement {
			statement: Statement::Invalid(candidate_digest.clone()),
			signature: Signature(3),
			sender: AuthorityId(3),
		};

		table.import_statement(&context, vote);
		assert!(!table.detected_misbehavior.contains_key(&AuthorityId(3)));
		assert!(!table.candidate_includable(&candidate_digest, &context));
		assert!(table.includable_count.is_empty());
	}

	#[test]
	fn candidate_import_gives_summary() {
		let context = TestContext {
			authorities: {
				let mut map = HashMap::new();
				map.insert(AuthorityId(1), GroupId(2));
				map
			}
		};

		let mut table = create();
		let statement = SignedStatement {
			statement: Statement::Candidate(Candidate(2, 100)),
			signature: Signature(1),
			sender: AuthorityId(1),
		};

		let summary = table.import_statement(&context, statement)
			.expect("candidate import to give summary");

		assert_eq!(summary.candidate, Digest(100));
		assert_eq!(summary.group_id, GroupId(2));
		assert_eq!(summary.validity_votes, 1);
	}

	#[test]
	fn candidate_vote_gives_summary() {
		let context = TestContext {
			authorities: {
				let mut map = HashMap::new();
				map.insert(AuthorityId(1), GroupId(2));
				map.insert(AuthorityId(2), GroupId(2));
				map
			}
		};

		let mut table = create();
		let statement = SignedStatement {
			statement: Statement::Candidate(Candidate(2, 100)),
			signature: Signature(1),
			sender: AuthorityId(1),
		};
		let candidate_digest = Digest(100);

		table.import_statement(&context, statement);
		assert!(!table.detected_misbehavior.contains_key(&AuthorityId(1)));

		let vote = SignedStatement {
			statement: Statement::Valid(candidate_digest.clone()),
			signature: Signature(2),
			sender: AuthorityId(2),
		};

		let summary = table.import_statement(&context, vote)
			.expect("candidate vote to give summary");

		assert!(!table.detected_misbehavior.contains_key(&AuthorityId(2)));

		assert_eq!(summary.candidate, Digest(100));
		assert_eq!(summary.group_id, GroupId(2));
		assert_eq!(summary.validity_votes, 2);
	}
}