Files
rust/tests/ui
bors 11e57241f1 Auto merge of #127956 - tgross35:rollup-8ten7pk, r=tgross35
Rollup of 7 pull requests

Successful merges:

 - #121533 (Handle .init_array link_section specially on wasm)
 - #127825 (Migrate `macos-fat-archive`, `manual-link` and `archive-duplicate-names` `run-make` tests to rmake)
 - #127891 (Tweak suggestions when using incorrect type of enum literal)
 - #127902 (`collect_tokens_trailing_token` cleanups)
 - #127928 (Migrate `lto-smoke-c` and `link-path-order` `run-make` tests to rmake)
 - #127935 (Change `binary_asm_labels` to only fire on x86 and x86_64)
 - #127953 ([compiletest] Search *.a when getting dynamic libraries on AIX)

r? `@ghost`
`@rustbot` modify labels: rollup
2024-07-19 11:08:02 +00:00
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UI Tests

This folder contains rustc's UI tests.

Test Directives (Headers)

Typically, a UI test will have some test directives / headers which are special comments that tell compiletest how to build and intepret a test.

As part of an on-going effort to rewrite compiletest (see https://github.com/rust-lang/compiler-team/issues/536), a major change proposal to change legacy compiletest-style headers // <directive> to ui_test-style headers //@ <directive> was accepted (see https://github.com/rust-lang/compiler-team/issues/512.

An example directive is ignore-test. In legacy compiletest style, the header would be written as

// ignore-test

but in ui_test style, the header would be written as

//@ ignore-test

compiletest is changed to accept only //@ directives for UI tests (currently), and will reject and report an error if it encounters any comments // <content> that may be parsed as an legacy compiletest-style test header. To fix this, you should migrate to the ui_test-style header //@ <content>.