Function TestIterator_SeekNonExistent

iterator_test.go:357–383

(t *testing.T)

}

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

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

		// Insert keys 0, 2, 4, 6, 8 (even numbers only)
		for i := 0; i < 10; i += 2 {
			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()

			// Seek to key 3 (doesn't exist, should position at 4)
			found := iterator.Seek(testutils.GetTestBytes(3))
			require.True(t, found)
			require.True(t, iterator.Valid())

			key := iterator.Key()
			require.Equal(t, testutils.GetTestBytes(4), key)

			return nil
		})
	})
}

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