tests/testthat/_snaps/assert_null.md

In assertions: Simple Assertions for Beautiful and Customisable Error Messages

assert_null() works [plain]

Code
  assert_null(1)
Condition
  Error:
  ! '1' must be NULL!

Code
  assert_null("abc")
Condition
  Error:
  ! '"abc"' must be NULL!

Code
  assert_null(c(1, 2, 3))
Condition
  Error:
  ! 'c(1, 2, 3)' must be NULL!

Code
  assert_null(list(a = 1, b = 2))
Condition
  Error:
  ! 'list(a = 1, b = 2)' must be NULL!

Code
  assert_null(data.frame(a = 1, b = 2))
Condition
  Error:
  ! 'data.frame(a = 1, b = 2)' must be NULL!

Code
  assert_null(function(x) x)
Condition
  Error:
  ! 'function(x) x' must be NULL!

Code
  assert_null(environment())
Condition
  Error:
  ! 'environment()' must be NULL!

assert_non_null() works [plain]

Code
  assert_non_null(NULL)
Condition
  Error:
  ! 'NULL' must not be NULL!

assertions documentation built on April 3, 2025, 5:52 p.m.