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wasm-smith 0.257.0

“A WebAssembly test case generator”

Archive ships a root-level test treeRust test marker or harness

SHA-256c3b39dfaba6768ca03109a51072a22f30283fa92c91a1f0d39ba58d9497cd796

URLhttps://static.crates.io/crates/wasm-smith/wasm-smith-0.257.0.crate

Evidence

Enumerates a directory with Rust std::fs corpus.rs · lines 1–30

1use arbitrary::{Arbitrary, Unstructured};
2use criterion::{Criterion, criterion_group, criterion_main};
3use std::hint::black_box;
4use wasm_smith::Module;
5
6pub fn benchmark_corpus(c: &mut Criterion) {
7    let mut corpus = Vec::with_capacity(2000);
8    let entries = std::fs::read_dir("./benches/corpus").expect("failed to read dir");
9    for e in entries {
10        let e = e.expect("failed to read dir entry");
11        let seed = std::fs::read(e.path()).expect("failed to read seed file");
12        corpus.push(seed);
13    }
14
15    // Benchmark how long it takes to generate a module for every seed in our
16    // corpus (taken from the `validate` fuzz target).
17    c.bench_function("corpus", |b| {
18        b.iter(|| {
19            for seed in &corpus {
20                let seed = black_box(seed);
21                let mut u = Unstructured::new(seed);
22                let result = Module::arbitrary(&mut u);
23                let _ = black_box(result);
24            }
⋯6 lines

imports arbitrary::Unstructured available_imports.rs · lines 1–17

1#![cfg(feature = "wasmparser")]
2
3use arbitrary::Unstructured;
4use rand::{Rng, SeedableRng, rngs::SmallRng};
5use std::collections::HashMap;
6use wasm_smith::{Config, Module};
7use wasmparser::Validator;
8use wasmparser::{Parser, TypeRef, ValType};
9
10mod common;
11use common::validate;
12
13#[test]
14fn smoke_test_imports_config() {
15    let mut n_partial = 0;
16    let mut global_imports_seen = HashMap::<_, bool>::new();
17    le …

imports AvailableImportKind as I available_imports.rs · lines 58–60

35…  = import.unwrap();
                      use AvailableImportKind as I;
                      let entry = imports_seen.get_mut(&(import.module, import.name));

imports AvailableImportKind::* available_imports.rs · lines 140–148

  let available = {
      use {
          AvailableImportKind::*,
          ValType::*,
          wasmparser::{PackedIndex, RefType},
      };
      vec![
          ("env", "pi", Func(vec![I32], vec![])),
          ("env", "pi2", F …

imports arbitrary::Arbitrary component.rs · lines 1–42

1#![cfg(feature = "component-model")]
2
3use arbitrary::{Arbitrary, Unstructured};
4use rand::{Rng, SeedableRng, rngs::SmallRng};
5use wasm_smith::Component;
6
7#[test]
8#[ignore] // FIXME(#1000): need to update wasm-smith's support for components
9fn smoke_test_component() {
10    const NUM_RUNS: usize = 4096;
⋯32 lines

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