Function arbtest

crates/test-util/src/component_fuzz.rs:1915–1949

()

    #[test]
    fn arbtest() {
        arbtest::arbtest(|u| {
            let mut fuel = 100;
            let types = (0..5)
                .map(|_| Type::generate(u, 3, &mut fuel))
                .collect::<arbitrary::Result<Vec<_>>>()?;
            let case = TestCase::generate(&types, u)?;
            let decls = case.declarations();
            let component = decls.make_component();
            let wasm = wat::parse_str(&component).unwrap_or_else(|e| {
                panic!("failed to parse generated component as wat: {e}\n\n{component}");
            });
            wasmparser::Validator::new_with_features(wasmparser::WasmFeatures::all())
                .validate_all(&wasm)
                .unwrap_or_else(|e| {
                    let mut wat = String::new();
                    let mut dst = wasmprinter::PrintFmtWrite(&mut wat);
                    let to_print = if wasmprinter::Config::new()
                        .print_offsets(true)
                        .print_operand_stack(true)
                        .print(&wasm, &mut dst)
                        .is_ok()
                    {
                        &wat[..]
                    } else {
                        &component[..]
                    };
                    panic!("generated component is not valid wasm: {e}\n\n{to_print}");
                });
            Ok(())
        })
        .budget_ms(1_000)
        // .seed(0x3c9050d4000000e9)
        ;
    }
}