Function assertEntries

cache/ttl_cache_test.ts:9–23

(
  cache: TtlCache<K, V>,
  entries: [key: K, value: V | typeof UNSET][],
)

// check `has()`, `get()`, `forEach()`
function assertEntries<K, V>(
  cache: TtlCache<K, V>,
  entries: [key: K, value: V | typeof UNSET][],
) {
  for (const [key, value] of entries) {
    assertEquals(cache.has(key), value !== UNSET);
    assertEquals(cache.get(key), value === UNSET ? undefined : value);
  }

  cache.forEach((v, k) => assertEquals(v, entries.find(([x]) => x === k)![1]));
  assertContentfulEntries(
    cache as TtlCache<K, V | typeof UNSET>,
    entries.filter(([, v]) => v !== UNSET),
  );
}

// check `size`, `entries()`, `keys()`, `values()`, `[Symbol.iterator]()`
function assertContentfulEntries<K, V>(