Function parse_dwarf_info

tests/all/traps.rs:729–763

()

#[test]
fn parse_dwarf_info() -> Result<()> {
    let wasm = rustc(
        "
            fn main() {
                panic!();
            }
        ",
    );
    let mut config = Config::new();
    config.wasm_backtrace_details(WasmBacktraceDetails::Enable);
    let engine = Engine::new(&config)?;
    let module = Module::new(&engine, &wasm)?;
    let mut linker = Linker::new(&engine);
    wasmtime_wasi::p1::add_to_linker_sync(&mut linker, |t| t)?;
    let mut store = Store::new(&engine, wasmtime_wasi::WasiCtxBuilder::new().build_p1());
    linker.module(&mut store, "", &module)?;
    let run = linker.get_default(&mut store, "")?;
    let trap = run.call(&mut store, &[], &mut []).unwrap_err();

    let mut found = false;
    let frames = trap.downcast_ref::<WasmBacktrace>().unwrap().frames();
    for frame in frames {
        for symbol in frame.symbols() {
            if let Some(file) = symbol.file() {
                if file.ends_with("input.rs") {
                    found = true;
                    assert!(symbol.name().unwrap().contains("main"));
                    assert_eq!(symbol.line(), Some(3));
                }
            }
        }
    }
    assert!(found);
    Ok(())
}

#[test]
fn no_hint_even_with_dwarf_info() -> Result<()> {