# assertion failures are explained
Code
vec_assert(lgl(), chr())
Condition
Error:
! `lgl()` must be a vector with type <character>.
Instead, it has type <logical>.
---
Code
vec_assert(lgl(), factor())
Condition
Error:
! `lgl()` must be a vector with type <factor<>>.
Instead, it has type <logical>.
---
Code
vec_assert(lgl(), factor(levels = "foo"))
Condition
Error:
! `lgl()` must be a vector with type <factor<c1562>>.
Instead, it has type <logical>.
---
Code
vec_assert(factor(levels = "bar"), factor(levels = "foo"))
Condition
Error:
! `factor(levels = "bar")` must be a vector with type <factor<c1562>>.
Instead, it has type <factor<9f154>>.
---
Code
vec_assert(factor(), chr())
Condition
Error:
! `factor()` must be a vector with type <character>.
Instead, it has type <factor<>>.
---
Code
vec_assert(lgl(), data.frame())
Condition
Error:
! `lgl()` must be a vector with type <data.frame<>>.
Instead, it has type <logical>.
---
Code
vec_assert(lgl(), data.frame(x = 1))
Condition
Error:
! `lgl()` must be a vector with type <data.frame<x:double>>.
Instead, it has type <logical>.
---
Code
vec_assert(lgl(), data.frame(x = 1, y = 2))
Condition
Error:
! `lgl()` must be a vector with type:
<data.frame<
x: double
y: double
>>
Instead, it has type <logical>.
---
Code
vec_assert(data.frame(), chr())
Condition
Error:
! `data.frame()` must be a vector with type <character>.
Instead, it has type <data.frame<>>.
---
Code
vec_assert(data.frame(x = 1), chr())
Condition
Error:
! `data.frame(x = 1)` must be a vector with type <character>.
Instead, it has type <data.frame<x:double>>.
---
Code
vec_assert(data.frame(x = 1), data.frame(x = "foo"))
Condition
Error:
! `data.frame(x = 1)` must be a vector with type <data.frame<x:character>>.
Instead, it has type <data.frame<x:double>>.
---
Code
vec_assert(data.frame(x = 1), data.frame(x = "foo", y = 2))
Condition
Error:
! `data.frame(x = 1)` must be a vector with type:
<data.frame<
x: character
y: double
>>
Instead, it has type <data.frame<x:double>>.
---
Code
vec_assert(data.frame(x = 1, y = 2), chr())
Condition
Error:
! `data.frame(x = 1, y = 2)` must be a vector with type <character>.
Instead, it has type:
<data.frame<
x: double
y: double
>>
---
Code
vec_assert(data.frame(x = 1, y = 2), data.frame(x = "foo"))
Condition
Error:
! `data.frame(x = 1, y = 2)` must be a vector with type <data.frame<x:character>>.
Instead, it has type:
<data.frame<
x: double
y: double
>>
---
Code
vec_assert(data.frame(x = 1, y = 2), data.frame(x = "foo", y = 2))
Condition
Error:
! `data.frame(x = 1, y = 2)` must be a vector with type:
<data.frame<
x: character
y: double
>>
Instead, it has type:
<data.frame<
x: double
y: double
>>
# vec_assert() validates `size` (#1470)
Code
(expect_error(vec_assert(1, size = c(2, 3))))
Output
<error/rlang_error>
Error in `vec_assert()`:
! `size` must be length 1, not length 2.
Code
(expect_error(vec_assert(1, size = 1.5)))
Output
<error/vctrs_error_cast_lossy>
Error in `vec_assert()`:
! Can't convert from `size` <double> to <integer> due to loss of precision.
* Locations: 1
Code
(expect_error(vec_assert(1, size = "x")))
Output
<error/vctrs_error_cast>
Error in `vec_assert()`:
! Can't convert `size` <character> to <integer>.
# list_all_vectors() works
Code
(expect_error(list_all_vectors(env())))
Output
<error/rlang_error>
Error in `list_all_vectors()`:
! `x` must be a list, not an environment.
# vec_check_list() works
Code
my_function <- (function(my_arg) vec_check_list(my_arg))
(expect_error(my_function(env())))
Output
<error/rlang_error>
Error in `my_function()`:
! `my_arg` must be a list, not an environment.
# vec_check_list() uses a special error when `arg` is the empty string (#1604)
Code
vec_check_list(1, arg = "")
Condition
Error:
! Input must be a list, not a number.
# vec_check_list() and list_check_all_vectors() work
Code
my_function <- (function(my_arg) list_check_all_vectors(my_arg))
(expect_error(my_function(env())))
Output
<error/rlang_error>
Error in `list_check_all_vectors()`:
! `x` must be a list, not an environment.
Code
(expect_error(my_function(list(1, env()))))
Output
<error/vctrs_error_scalar_type>
Error in `my_function()`:
! `my_arg[[2]]` must be a vector, not an environment.
Code
(expect_error(my_function(list(1, name = env()))))
Output
<error/vctrs_error_scalar_type>
Error in `my_function()`:
! `my_arg$name` must be a vector, not an environment.
Code
(expect_error(my_function(list(1, foo = env()))))
Output
<error/vctrs_error_scalar_type>
Error in `my_function()`:
! `my_arg$foo` must be a vector, not an environment.
# list_check_all_size() works
Code
my_function <- (function(my_arg, size) list_check_all_size(my_arg, size))
(expect_error(list_check_all_size(list(1:2, 1:3), 2)))
Output
<error/vctrs_error_assert_size>
Error:
! `list(1:2, 1:3)[[2]]` must have size 2, not size 3.
Code
(expect_error(my_function(list(1:2, 1:3), 2)))
Output
<error/vctrs_error_assert_size>
Error in `my_function()`:
! `my_arg[[2]]` must have size 2, not size 3.
Code
(expect_error(my_function(list(NULL, 1:2), 2)))
Output
<error/vctrs_error_assert_size>
Error in `my_function()`:
! `my_arg[[1]]` must have size 2, not size 0.
# list_all_size() and list_check_all_size() error on scalars
Code
(expect_error(list_all_size(x, 2)))
Output
<error/vctrs_error_scalar_type>
Error in `list_all_size()`:
! `x[[1]]` must be a vector, not an environment.
Code
my_function <- (function(my_arg, size) list_check_all_size(my_arg, size))
(expect_error(my_function(x, 2)))
Output
<error/vctrs_error_scalar_type>
Error in `my_function()`:
! `my_arg[[1]]` must be a vector, not an environment.
# list_all_size() and list_check_all_size() throw error using internal call on non-list input
Code
(expect_error(list_all_size(1, 2)))
Output
<error/rlang_error>
Error in `list_all_size()`:
! `x` must be a list, not a number.
Code
(expect_error(list_check_all_size(1, 2, arg = "arg", call = call("foo"))))
Output
<error/rlang_error>
Error in `list_check_all_size()`:
! `x` must be a list, not a number.
# list_all_size() and list_check_all_size() validate `size`
Code
(expect_error(list_all_size(list(), size = "x")))
Output
<error/rlang_error>
Error in `list_all_size()`:
! `size` must be a scalar integer or double.
Code
(expect_error(list_check_all_size(list(), size = "x")))
Output
<error/rlang_error>
Error in `list_check_all_size()`:
! `size` must be a scalar integer or double.
# informative messages when 1d array doesn't match vector
Code
(expect_error(vec_assert(x, int())))
Output
<error/vctrs_error_assert_ptype>
Error:
! `x` must be a vector with type <integer>.
Instead, it has type <integer[1d]>.
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