testthat (version 0.9.1)

is_null: Expectation: is the object NULL?

Description

Expectation: is the object NULL?

Usage

is_null()
expect_null(object, info = NULL, label = NULL)

Arguments

object

object to test

info

extra information to be included in the message (useful when writing tests in loops).

label

object label. When NULL, computed from deparsed object.

See Also

Other expectations: equals_reference, expect_equal_to_reference; equals, expect_equal; expect-compare, expect_less_than, expect_more_than, is_less_than, is_more_than; expect_equivalent, is_equivalent_to; expect_error, throws_error; expect_false, expect_true, is_false, is_true; expect_identical, is_identical_to; expect_is, is_a; expect_match, matches; expect_message, shows_message; expect_named, has_names; expect_output, prints_text; expect_warning, gives_warning; takes_less_than

Examples

expect_null(NULL)