rust/tests/run-make/wasm-custom-sections-opt/rmake.rs
Nicholas Nethercote 84ac80f192 Reformat use declarations.
The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
2024-07-29 08:26:52 +10:00

29 lines
719 B
Rust

//@ only-wasm32-wasip1
use std::collections::HashMap;
use std::path::Path;
use run_make_support::{rfs, rustc, wasmparser};
fn main() {
rustc().input("foo.rs").target("wasm32-wasip1").opt().run();
verify(Path::new("foo.wasm"));
}
fn verify(path: &Path) {
eprintln!("verify {path:?}");
let file = rfs::read(&path);
let mut custom = HashMap::new();
for payload in wasmparser::Parser::new(0).parse_all(&file) {
let payload = payload.unwrap();
if let wasmparser::Payload::CustomSection(s) = payload {
let prev = custom.insert(s.name(), s.data());
assert!(prev.is_none());
}
}
assert_eq!(custom.remove("foo"), Some(&[1, 2, 3, 4][..]));
}