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| author | ywxt <ywxtcwh@gmail.com> | 2025-08-15 14:16:32 +0800 |
|---|---|---|
| committer | ywxt <ywxtcwh@gmail.com> | 2025-08-15 14:16:32 +0800 |
| commit | e17989edc7dfcf923626964cb8d59a570f32c8bf (patch) | |
| tree | 16451de3c07c85244ea31c03bce100fdf8984018 /src/doc/rustc-dev-guide | |
| parent | 898aff704d6f0d00343f21d31b8b9bfac8e43007 (diff) | |
Add the directive `compare-output-by-lines`
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/directives.md | 1 | ||||
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/ui.md | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/src/doc/rustc-dev-guide/src/tests/directives.md b/src/doc/rustc-dev-guide/src/tests/directives.md index f4ba9a044e6..fbbeb7e97d3 100644 --- a/src/doc/rustc-dev-guide/src/tests/directives.md +++ b/src/doc/rustc-dev-guide/src/tests/directives.md @@ -111,6 +111,7 @@ for more details. | `forbid-output` | A pattern which must not appear in stderr/`cfail` output | `ui`, `incremental` | Regex pattern | | `run-flags` | Flags passed to the test executable | `ui` | Arbitrary flags | | `known-bug` | No error annotation needed due to known bug | `ui`, `crashes`, `incremental` | Issue number `#123456` | +| `compare-output-by-lines` | Compare the output by lines, rather than as a single string | All | N/A | [^check_stdout]: presently <!-- date-check: Oct 2024 --> this has a weird quirk where the test binary's stdout and stderr gets concatenated and then diff --git a/src/doc/rustc-dev-guide/src/tests/ui.md b/src/doc/rustc-dev-guide/src/tests/ui.md index 25dd5814cf6..d3a2c406402 100644 --- a/src/doc/rustc-dev-guide/src/tests/ui.md +++ b/src/doc/rustc-dev-guide/src/tests/ui.md @@ -95,6 +95,7 @@ will check for output files: [Normalization](#normalization)). - `dont-check-compiler-stderr` — Ignores stderr from the compiler. - `dont-check-compiler-stdout` — Ignores stdout from the compiler. +- `compare-output-by-lines` — Some tests have non-deterministic orders of output, so we need to compare by lines. UI tests run with `-Zdeduplicate-diagnostics=no` flag which disables rustc's built-in diagnostic deduplication mechanism. This means you may see some |