rust/tests/run-make/wasm-import-module/rmake.rs

36 lines
1.1 KiB
Rust

//@ only-wasm32-wasip1
extern crate run_make_support;
use run_make_support::{tmp_dir, wasmparser, rustc};
use std::collections::HashMap;
use wasmparser::TypeRef::Func;
fn main() {
rustc().input("foo.rs").target("wasm32-wasip1").run();
rustc()
.input("bar.rs")
.target("wasm32-wasip1")
.arg("-Clto")
.opt()
.run();
let file = std::fs::read(&tmp_dir().join("bar.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));
}
}
}
let import = imports.remove("./dep");
assert!(matches!(import.as_deref(), Some([("dep", Func(_))])), "bad import {:?}", import);
let import = imports.remove("./me");
assert!(matches!(import.as_deref(), Some([("me_in_dep", Func(_))])), "bad import {:?}", import);
}