def testHasEntryWithLoadAndSizeOne(self):
c = LRUCache(1)
c.load_entry('hello', 'world')
self.assertTrue(c.has_entry('hello'))
c.load_entry('yellow', 'duck')
self.assertTrue(c.has_entry('yellow'))
self.assertFalse(c.has_entry('hello'))
c.load_entry('blue', 'sky')
self.assertTrue(c.has_entry('blue'))
self.assertFalse(c.has_entry('yellow'))
self.assertFalse(c.has_entry('hello'))
c.load_entry('brown', 'bear')
self.assertTrue(c.has_entry('brown'))
self.assertFalse(c.has_entry('blue'))
self.assertFalse(c.has_entry('yellow'))
self.assertFalse(c.has_entry('hello'))
def testEvictionWithoutLookup(self):
c = LRUCache(3)
c.load_entry('hello', 'world')
c.load_entry('yellow', 'duck')
c.load_entry('blue', 'sky')
c.load_entry('brown', 'bear')
self.assertFalse(c.has_entry('hello'))
self.assertTrue(c.has_entry('yellow'))
self.assertTrue(c.has_entry('blue'))
self.assertTrue(c.has_entry('brown'))
def testHasEntryWithLoadAndSizeZero(self):
c = LRUCache(0)
c.load_entry('hello', 'world')
self.assertFalse(c.has_entry('hello'))
def testHasEntryWithLoad(self):
c = LRUCache(5)
c.load_entry('hello', 'world')
self.assertTrue(c.has_entry('hello'))