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Feb 3, 2017
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Improve doc cfg(test) and tests directory #38823

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4 changes: 4 additions & 0 deletions src/doc/book/testing.md
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Expand Up @@ -499,6 +499,10 @@ be imported in every test with `mod common;`
That's all there is to the `tests` directory. The `tests` module isn't needed
here, since the whole thing is focused on tests.

Note, when building integration tests, cargo will not pass the `test` attribute
to the compiler. It means that all parts in `cfg(test)` won't be included in
the build used in your integration tests.

Let's finally check out that third section: documentation tests.

# Documentation tests
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