//@ only-wasm32-wasip1 use run_make_support::{rustc, tmp_dir, wasmparser}; use std::collections::HashMap; fn main() { rustc() .input("main.rs") .target("wasm32-wasip1") .arg("-Coverflow-checks") .arg("-Cpanic=abort") .arg("-Clto") .arg("-Copt-level=z") .run(); let file = std::fs::read(&tmp_dir().join("main.wasm")).unwrap(); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { let payload = payload.unwrap(); if let wasmparser::Payload::ImportSection(s) = payload { for i in s { let i = i.unwrap(); imports.entry(i.module).or_insert(Vec::new()).push((i.name, i.ty)); } } } assert!(imports.is_empty(), "imports are not empty {:?}", imports); }