expect_falsy

Loose falsiness assertion

Passes if x is falsy per is_truthy (0, false, VNullNode, empty containers, etc.). NA produces Expect_hold.

Parameters

Returns

Expect_pass when x is falsy; Expect_hold on NA; Expect_stop on errors or truthy values.

Examples

assert(expect_falsy(0))
assert(expect_falsy(false))

See Also

expect_truthy, expect_false, expect_true