Function TestIterator_NextAfterEnd

iterator_test.go:255–291

(t *testing.T)

}

func TestIterator_NextAfterEnd(t *testing.T) {
	bucket := "bucket"

	runNutsDBTest(t, nil, func(t *testing.T, db *DB) {
		txCreateBucket(t, db, DataStructureBTree, bucket, nil)

		for i := 0; i < 10; i++ {
			txPut(t, db, bucket, testutils.GetTestBytes(i), testutils.GetTestBytes(i), Persistent, nil, nil)
		}

		_ = db.View(func(tx *Tx) error {
			iterator := NewIterator(tx, bucket, IteratorOptions{Reverse: false})
			defer iterator.Release()

			// Move to the end
			count := 0
			for iterator.Valid() {
				count++
				if !iterator.Next() {
					break
				}
			}
			require.Equal(t, 10, count)

			// Try to move beyond end
			require.False(t, iterator.Valid())
			require.False(t, iterator.Next())
			require.False(t, iterator.Valid())

			// Key and Item should return nil
			require.Nil(t, iterator.Key())
			require.Nil(t, iterator.Item())

			return nil
		})
	})
}

func TestIterator_ValidConsistency(t *testing.T) {
	bucket := "bucket"