rust/tests/ui-fulldeps/session-diagnostic/diagnostic-derive-doc-comment-field.rs
2023-05-08 03:34:46 +00:00

50 lines
1.6 KiB
Rust

// check-fail
// Tests that a doc comment will not preclude a field from being considered a diagnostic argument
// normalize-stderr-test "the following other types implement trait `IntoDiagnosticArg`:(?:.*\n){0,9}\s+and \d+ others" -> "normalized in stderr"
// normalize-stderr-test "diagnostic_builder\.rs:[0-9]+:[0-9]+" -> "diagnostic_builder.rs:LL:CC"
// The proc_macro2 crate handles spans differently when on beta/stable release rather than nightly,
// changing the output of this test. Since Subdiagnostic is strictly internal to the compiler
// the test is just ignored on stable and beta:
// ignore-stage1
// ignore-beta
// ignore-stable
#![feature(rustc_private)]
#![crate_type = "lib"]
extern crate rustc_errors;
extern crate rustc_fluent_macro;
extern crate rustc_macros;
extern crate rustc_session;
extern crate rustc_span;
use rustc_errors::{Applicability, DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::Span;
fluent_messages! { "./example.ftl" }
struct NotIntoDiagnosticArg;
#[derive(Diagnostic)]
#[diag(no_crate_example)]
struct Test {
#[primary_span]
span: Span,
/// A doc comment
arg: NotIntoDiagnosticArg,
//~^ ERROR the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
}
#[derive(Subdiagnostic)]
#[label(no_crate_example)]
struct SubTest {
#[primary_span]
span: Span,
/// A doc comment
arg: NotIntoDiagnosticArg,
//~^ ERROR the trait bound `NotIntoDiagnosticArg: IntoDiagnosticArg` is not satisfied
}