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| author | Urgau <urgau@numericable.fr> | 2024-04-25 00:03:14 +0200 |
|---|---|---|
| committer | Tshepang Mbambo <tshepang@gmail.com> | 2024-05-06 08:48:21 +0200 |
| commit | eef30e68e7d7367901763b243799622332c03134 (patch) | |
| tree | a9efb2aa44d05a4728f13ad08e8f15205d58be9e /src/doc/rustc-dev-guide | |
| parent | 3e905285f45fe0990851105d054d56a740dc1869 (diff) | |
Add documentation for check-cfg by-default in UI tests
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/headers.md | 1 | ||||
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/ui.md | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/src/tests/headers.md b/src/doc/rustc-dev-guide/src/tests/headers.md index 1f2474aa03d..88a87181e5b 100644 --- a/src/doc/rustc-dev-guide/src/tests/headers.md +++ b/src/doc/rustc-dev-guide/src/tests/headers.md @@ -91,6 +91,7 @@ found in [`header.rs`] from the compiletest source. * [`error-pattern`](ui.md#error-pattern) — errors not on a line * `incremental` — incremental tests not in the incremental test-suite * `no-prefer-dynamic` — don't use `-C prefer-dynamic`, don't build as a dylib + * `no-auto-check-cfg` — disable auto check-cfg (only for `--check-cfg` tests) * `force-host` — build only for the host target * [`revisions`](compiletest.md#revisions) — compile multiple times * [`forbid-output`](compiletest.md#incremental-tests) — incremental cfail rejects output pattern diff --git a/src/doc/rustc-dev-guide/src/tests/ui.md b/src/doc/rustc-dev-guide/src/tests/ui.md index 3f850264075..08068235a03 100644 --- a/src/doc/rustc-dev-guide/src/tests/ui.md +++ b/src/doc/rustc-dev-guide/src/tests/ui.md @@ -361,6 +361,9 @@ multiple `.stderr` files for the different outputs. In the example above, there would be a `.mir.stderr` and `.thir.stderr` file with the different outputs of the different revisions. +> Note: cfg revisions also work inside the source code with `#[cfg]` attributes. +> +> By-convention the `FALSE` cfg is used to have an always false config. ## Controlling pass/fail expectations |