diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:35:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:35:49 +0000 |
commit | d8bbc7858622b6d9c278469aab701ca0b609cddf (patch) | |
tree | eff41dc61d9f714852212739e6b3738b82a2af87 /third_party/rust/wasm-smith/tests/exports.rs | |
parent | Releasing progress-linux version 125.0.3-1~progress7.99u1. (diff) | |
download | firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.tar.xz firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.zip |
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/rust/wasm-smith/tests/exports.rs | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/third_party/rust/wasm-smith/tests/exports.rs b/third_party/rust/wasm-smith/tests/exports.rs new file mode 100644 index 0000000000..ff1dac0cbe --- /dev/null +++ b/third_party/rust/wasm-smith/tests/exports.rs @@ -0,0 +1,147 @@ +use arbitrary::{Arbitrary, Unstructured}; +use rand::{rngs::SmallRng, RngCore, SeedableRng}; +use wasm_smith::{Config, Module}; +use wasmparser::{ + types::EntityType, CompositeType, FuncType, GlobalType, Parser, Validator, WasmFeatures, +}; + +mod common; +use common::{parser_features_from_config, validate}; + +#[derive(Debug, PartialEq)] +enum ExportType { + Func(FuncType), + Global(GlobalType), +} + +#[test] +fn smoke_test_single_export() { + let test = r#" + (module + (func (export "foo") (param i32) (result i64) + unreachable + ) + ) + "#; + smoke_test_exports(test, 11) +} + +#[test] +fn smoke_test_multiple_exports() { + let test = r#" + (module + (func (export "a") (param i32) (result i64) + unreachable + ) + (func (export "b") + unreachable + ) + (func (export "c") + unreachable + ) + ) + "#; + smoke_test_exports(test, 12) +} + +#[test] +fn smoke_test_exported_global() { + let test = r#" + (module + (func (export "a") (param i32 i32 f32 f64) (result f32) + unreachable + ) + (global (export "glob") f64 f64.const 0) + ) + "#; + smoke_test_exports(test, 20) +} + +#[test] +fn smoke_test_export_with_imports() { + let test = r#" + (module + (import "" "foo" (func (param i32))) + (import "" "bar" (global (mut f32))) + (func (param i64) unreachable) + (global i32 (i32.const 0)) + (export "a" (func 0)) + (export "b" (global 0)) + (export "c" (func 1)) + (export "d" (global 1)) + ) + "#; + smoke_test_exports(test, 21) +} + +#[test] +fn smoke_test_with_mutable_global_exports() { + let test = r#" + (module + (global (export "1i32") (mut i32) (i32.const 0)) + (global (export "2i32") (mut i32) (i32.const 0)) + (global (export "1i64") (mut i64) (i64.const 0)) + (global (export "2i64") (mut i64) (i64.const 0)) + (global (export "3i32") (mut i32) (i32.const 0)) + (global (export "3i64") (mut i64) (i64.const 0)) + (global (export "4i32") i32 (i32.const 0)) + (global (export "4i64") i64 (i64.const 0)) + )"#; + smoke_test_exports(test, 22) +} + +fn get_func_and_global_exports(features: WasmFeatures, module: &[u8]) -> Vec<(String, ExportType)> { + let mut validator = Validator::new_with_features(features); + let types = validate(&mut validator, module); + let mut exports = vec![]; + + for payload in Parser::new(0).parse_all(module) { + let payload = payload.unwrap(); + if let wasmparser::Payload::ExportSection(rdr) = payload { + for export in rdr { + let export = export.unwrap(); + match types.entity_type_from_export(&export).unwrap() { + EntityType::Func(core_id) => { + let sub_type = types.get(core_id).expect("Failed to lookup core id"); + assert!(sub_type.is_final); + assert!(sub_type.supertype_idx.is_none()); + let CompositeType::Func(func_type) = &sub_type.composite_type else { + panic!("Expected Func CompositeType, but found {:?}", sub_type); + }; + exports + .push((export.name.to_string(), ExportType::Func(func_type.clone()))); + } + EntityType::Global(global_type) => { + exports.push((export.name.to_string(), ExportType::Global(global_type))) + } + other => { + panic!("Unexpected entity type {:?}", other) + } + } + } + } + } + exports +} + +fn smoke_test_exports(exports_test_case: &str, seed: u64) { + let mut rng = SmallRng::seed_from_u64(seed); + let mut buf = vec![0; 512]; + let wasm = wat::parse_str(exports_test_case).unwrap(); + let expected_exports = get_func_and_global_exports(WasmFeatures::default(), &wasm); + + for _ in 0..1024 { + rng.fill_bytes(&mut buf); + let mut u = Unstructured::new(&buf); + + let mut config = Config::arbitrary(&mut u).expect("arbitrary config"); + config.exports = Some(wasm.clone()); + + let features = parser_features_from_config(&config); + let module = Module::new(config, &mut u).unwrap(); + let wasm_bytes = module.to_bytes(); + + let generated_exports = get_func_and_global_exports(features, &wasm_bytes); + assert_eq!(expected_exports, generated_exports); + } +} |