testthat (version 0.3)

throws_error: Expectation: does expression throw an error?

Description

Expectation: does expression throw an error?

Usage

throws_error(regexp)

Arguments

regexp

optional regular expression to match. If not specified, just asserts that expression throws some error.

Examples

expect_that(log("a"), throws_error())
expect_error(log("a"))
expect_that(log("a"), throws_error("Non-numeric argument"))
expect_error(log("a"), "Non-numeric argument")