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hughjonesd opened this issue Mar 2, 2018 · 0 comments
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expect_error does not return caught errors #724

hughjonesd opened this issue Mar 2, 2018 · 0 comments
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bug an unexpected problem or unintended behavior

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@hughjonesd
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hughjonesd commented Mar 2, 2018 •
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From ?expect_error:

If expect_error() captures an error, that is returned instead of the value.

In fact it always returns NULL on an error:

res <- expect_error(stop("foo"), "foo")
res
# NULL
res <- expect_error(stop("foo"))
res
# NULL
res <- expect_error(stop("foo"), NA)
Error: `stop("foo")` threw an error.
Message: foo
Class:   simpleError/error/condition
res
# NULL
@jimhester jimhester added the bug an unexpected problem or unintended behavior label Mar 29, 2018
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@jimhester @hughjonesd