Function TestIterator_Rewind

iterator_test.go:166–197

(t *testing.T)

}

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

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

		for i := 0; i < 50; 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 position 10
			for i := 0; i < 10; i++ {
				require.True(t, iterator.Valid())
				iterator.Next()
			}

			// Rewind back to start
			require.True(t, iterator.Rewind())
			require.True(t, iterator.Valid())

			// Verify we're at the first element
			key := iterator.Key()
			require.Equal(t, testutils.GetTestBytes(0), key)

			return nil
		})
	})
}

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