use crate::spec::Target; #[test] fn report_unused_fields() { let json = r#" { "arch": "powerpc64", "data-layout": "e-m:e-i64:64-n32:64", "llvm-target": "powerpc64le-elf", "target-pointer-width": 64, "code-mode": "foo" } "#; let result = Target::from_json(json); eprintln!("{result:#?}"); assert!(result.is_err()); }