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donglora/vendor/darling/tests/error.rs
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swaitsandClaude Opus 4.6 3102fc747a feat: add display UI with splash screen, dashboard, and RSSI sparkline
Implement full SSD1306 OLED display support:
- Splash screen on boot (1.5s) with project name, version, board
- Dashboard showing radio state, config, counters, RSSI/SNR
- RSSI history sparkline (64-sample ring buffer, 2px-wide bars)
- DisplayOn/DisplayOff host commands routed via dedicated channel
- Pure render functions against generic DrawTarget (no hardware coupling)
- Display on/off control bypasses radio task entirely

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 20:42:54 -06:00

55 lines
1.2 KiB
Rust

//! In case of bad input, parsing should fail. The error should have locations set in derived implementations.
// The use of fields in debug print commands does not count as "used",
// which causes the fields to trigger an unwanted dead code warning.
#![allow(dead_code)]
use darling::{FromDeriveInput, FromMeta};
use syn::parse_quote;
#[derive(Debug, FromMeta)]
struct Dolor {
#[darling(rename = "amet")]
sit: bool,
world: bool,
}
#[derive(Debug, FromDeriveInput)]
#[darling(from_ident, attributes(hello))]
struct Lorem {
ident: syn::Ident,
ipsum: Dolor,
}
impl From<syn::Ident> for Lorem {
fn from(ident: syn::Ident) -> Self {
Lorem {
ident,
ipsum: Dolor {
sit: false,
world: true,
},
}
}
}
#[test]
fn parsing_fail() {
let di = parse_quote! {
#[hello(ipsum(amet = "yes", world = false))]
pub struct Foo;
};
println!("{}", Lorem::from_derive_input(&di).unwrap_err());
}
#[test]
fn missing_field() {
let di = parse_quote! {
#[hello(ipsum(amet = true))]
pub struct Foo;
};
println!("{}", Lorem::from_derive_input(&di).unwrap_err());
}