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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/rust/wasm-smith/tests/component.rs | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/wasm-smith/tests/component.rs')
-rw-r--r-- | third_party/rust/wasm-smith/tests/component.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/rust/wasm-smith/tests/component.rs b/third_party/rust/wasm-smith/tests/component.rs new file mode 100644 index 0000000000..7d5a40159c --- /dev/null +++ b/third_party/rust/wasm-smith/tests/component.rs @@ -0,0 +1,43 @@ +use arbitrary::{Arbitrary, Unstructured}; +use rand::{rngs::SmallRng, RngCore, SeedableRng}; +use wasm_smith::Component; + +#[test] +#[ignore] // FIXME(#1000): need to update wasm-smith's support for components +fn smoke_test_component() { + const NUM_RUNS: usize = 4096; + + let mut rng = SmallRng::seed_from_u64(0); + let mut buf = vec![0; 1024]; + let mut ok_count = 0; + + for _ in 0..NUM_RUNS { + rng.fill_bytes(&mut buf); + let u = Unstructured::new(&buf); + if let Ok(component) = Component::arbitrary_take_rest(u) { + ok_count += 1; + let component = component.to_bytes(); + + let mut validator = + wasmparser::Validator::new_with_features(wasmparser::WasmFeatures { + component_model: true, + ..Default::default() + }); + if let Err(e) = validator.validate_all(&component) { + std::fs::write("component.wasm", &component).unwrap(); + panic!( + "generated component should be valid; failing binary written \ + to `component.wasm`. Error: {}", + e + ); + } + } + } + + println!( + "Generated {} / {} ({:.02}%) arbitrary components okay", + ok_count, + NUM_RUNS, + ok_count as f64 / NUM_RUNS as f64 * 100.0 + ); +} |