expect_empty

Empty container / string assertion

Passes if a List, Dict, Vector, String, or DataFrame is empty (0 elements/rows/length).

Parameters

• actual (List | Dict | Vector | String | DataFrame): The container to check.

Returns

Expect_pass when empty; Expect_hold on NA; Expect_stop if non-empty.

Examples

assert(expect_empty([]))

See Also

expect_nrow, expect_length