`0:3` should contain only "strictly positive" values, but has zeroes or negatives

[1] "`0:3` should contain only \"strictly positive\" values, but has zeroes or negatives"

`-(0:3)` should contain only "strictly negative" values, but has zeroes or positives

[1] "`-(0:3)` should contain only \"strictly negative\" values, but has zeroes or positives"

`-runif(1) - 1` should contain only positive values, but has negatives

[1] "`-runif(1) - 1` should contain only positive values, but has negatives"

`runif(1) + 1` should contain only negative values, but has positives

[1] "`runif(1) + 1` should contain only negative values, but has positives"

`c(NA_real_, 1)` should not contain NAs, but does

[1] "`c(NA_real_, 1)` should not contain NAs, but does"

`NULL` should be type "numeric" (is "NULL")

[1] "`NULL` should be type \"numeric\" (is \"NULL\")"

`-runif(5) - 1` should contain only positive values, but has negatives

[1] "`-runif(5) - 1` should contain only positive values, but has negatives"

`runif(5) + 1` should contain only negative values, but has positives

[1] "`runif(5) + 1` should contain only negative values, but has positives"

[1] "`length(letters)` should be 1 (is 26)"

`list(1, 2, 3)` should be type "character" (is "list")

[1] "`list(1, 2, 3)` should be type \"character\" (is \"list\")"

`list(1, 2, 3)` should be type "complex" (is "list")

[1] "`list(1, 2, 3)` should be type \"complex\" (is \"list\")"

[1] "`NA` should not contain NAs, but does"

`letters` should be type "logical" (is "character")

[1] "`letters` should be type \"logical\" (is \"character\")"

`1:10 > 5` is not all TRUE (contains non-TRUE values)

[1] "`1:10 > 5` is not all TRUE (contains non-TRUE values)"

`c(TRUE, NA, TRUE)` is not TRUE (contains NAs)

[1] "`c(TRUE, NA, TRUE)` is not TRUE (contains NAs)"

`1:5` is not TRUE (is "integer" instead of a "logical")

[1] "`1:5` is not TRUE (is \"integer\" instead of a \"logical\")"

`.(` must be used with only one argument.

Error in vet(.(1:5, 1:5), 1:5) : 
  `.(` must be used with only one argument.