Files
rust/tests/ui
Matthias Krüger 99204047c9 Rollup merge of #128279 - slanterns:is_sorted, r=dtolnay
Stabilize `is_sorted`

Closes: https://github.com/rust-lang/rust/issues/53485.

~~Question: does~~ 8fe0c753f2/compiler/rustc_lint_defs/src/builtin.rs (L1986-L1994) ~~need a new example?~~
edit: It causes a test failure and needs to be changed anyway.

``@rustbot`` label: +T-libs-api

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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>.