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Improve roundtrip test to go through waffle machinery #11

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Merged
cfallin merged 1 commit into from
Feb 26, 2026
Merged

Improve roundtrip test to go through waffle machinery #11

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10 changes: 7 additions & 3 deletions tests/roundtrip.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
//! Integration test to ensure that roundtripping works.

use std::path::PathBuf;
use waffle::{FrontendOptions, Module};
use waffle::{FrontendOptions, Module, OptOptions};

fn get_wats() -> Vec<PathBuf> {
let test_dir = std::env::current_dir()
Expand All @@ -24,9 +24,13 @@ fn idempotent_roundtrips() {
for wat in get_wats() {
let bytes1 = wat::parse_file(&wat).unwrap();
let opts = FrontendOptions::default();
let module1 = Module::from_wasm_bytes(&bytes1, &opts).unwrap();
let mut module1 = Module::from_wasm_bytes(&bytes1, &opts).unwrap();
module1.expand_all_funcs().unwrap();
module1.per_func_body(|func| func.optimize(&OptOptions::default()));
let bytes2 = module1.to_wasm_bytes().unwrap();
let module2 = Module::from_wasm_bytes(&bytes2, &opts).unwrap();
let mut module2 = Module::from_wasm_bytes(&bytes2, &opts).unwrap();
module2.expand_all_funcs().unwrap();
module2.per_func_body(|func| func.optimize(&OptOptions::default()));
let bytes3 = module2.to_wasm_bytes().unwrap();
assert_eq!(bytes2, bytes3);
}
Expand Down