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| author | Steve Klabnik <steve@steveklabnik.com> | 2016-12-24 14:29:20 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-12-24 14:29:20 -0500 |
| commit | 685027a23e42d272bef63e30848703b9d52e7dfd (patch) | |
| tree | e3b6a135d8d7a9c31f7d0e0f31807ea4fcd6f10d /src | |
| parent | 639568cb07b37388248f0a170c30bc98b03e2e4d (diff) | |
| parent | 517fce08c56186e060f2b67fc4d85484164f31b4 (diff) | |
| download | rust-685027a23e42d272bef63e30848703b9d52e7dfd.tar.gz rust-685027a23e42d272bef63e30848703b9d52e7dfd.zip | |
Rollup merge of #38013 - wezm:simplify-test-notes, r=steveklabnik
Simplify notes on testing and concurrency The start of the notes on tests running concurrently, added in https://github.com/rust-lang/rust/pull/37766 read a little awkwardly. This PR fixes that and simplifies the wording a bit. r? @steveklabnik
Diffstat (limited to 'src')
| -rw-r--r-- | src/doc/book/testing.md | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/doc/book/testing.md b/src/doc/book/testing.md index ebeb9923197..96cec7295aa 100644 --- a/src/doc/book/testing.md +++ b/src/doc/book/testing.md @@ -589,11 +589,10 @@ please see the [Documentation chapter](documentation.html). # Testing and concurrency -One thing that is important to note when writing tests is that they may be run -concurrently using threads. For this reason you should take care that your tests -are written in such a way as to not depend on each-other, or on any shared -state. "Shared state" can also include the environment, such as the current -working directory, or environment variables. +It is important to note that tests are run concurrently using threads. For this +reason, care should be taken to ensure your tests do not depend on each-other, +or on any shared state. "Shared state" can also include the environment, such +as the current working directory, or environment variables. If this is an issue it is possible to control this concurrency, either by setting the environment variable `RUST_TEST_THREADS`, or by passing the argument |