Function trap_display_multi_module

tests/all/traps.rs:327–366

()

#[test]
fn trap_display_multi_module() -> Result<()> {
    let mut store = Store::<()>::default();
    let wat = r#"
        (module $a
            (func $die unreachable)
            (func call $die)
            (func $foo call 1)
            (func (export "bar") call $foo)
        )
    "#;

    let module = Module::new(store.engine(), wat)?;
    let instance = Instance::new(&mut store, &module, &[])?;
    let bar = instance.get_export(&mut store, "bar").unwrap();

    let wat = r#"
        (module $b
            (import "" "" (func $bar))
            (func $middle call $bar)
            (func (export "bar2") call $middle)
        )
    "#;
    let module = Module::new(store.engine(), wat)?;
    let instance = Instance::new(&mut store, &module, &[bar])?;
    let bar2 = instance.get_typed_func::<(), ()>(&mut store, "bar2")?;

    let e = bar2.call(&mut store, ()).unwrap_err();
    e.assert_contains(
        "\
error while executing at wasm backtrace:
    0:     0x23 - a!die
    1:     0x27 - a!<wasm function 1>
    2:     0x2c - a!foo
    3:     0x31 - a!<wasm function 3>
    4:     0x29 - b!middle
    5:     0x2e - b!<wasm function 2>",
    );
    e.assert_contains("wasm trap: wasm `unreachable` instruction executed");
    Ok(())
}

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