7a1b7cdf92
Implement Wasmtime's new API as designed by RFC 11. This is quite a large commit which has had lots of discussion externally, so for more information it's best to read the RFC thread and the PR thread.
81 lines
2.2 KiB
Rust
81 lines
2.2 KiB
Rust
use anyhow::Result;
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use wasmtime::*;
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#[test]
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fn checks_incompatible_target() -> Result<()> {
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let mut target = target_lexicon::Triple::host();
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target.operating_system = target_lexicon::OperatingSystem::Unknown;
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match Module::new(
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&Engine::new(Config::new().target(&target.to_string())?)?,
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"(module)",
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) {
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Ok(_) => unreachable!(),
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Err(e) => assert!(e
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.to_string()
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.contains("configuration does not match the host")),
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}
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Ok(())
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}
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#[test]
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fn caches_across_engines() {
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let c = Config::new();
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let bytes = Module::new(&Engine::new(&c).unwrap(), "(module)")
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.unwrap()
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.serialize()
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.unwrap();
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unsafe {
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let res = Module::deserialize(&Engine::default(), &bytes);
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assert!(res.is_ok());
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// differ in shared cranelift flags
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let res = Module::deserialize(
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&Engine::new(Config::new().cranelift_nan_canonicalization(true)).unwrap(),
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&bytes,
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);
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assert!(res.is_err());
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// differ in cranelift settings
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let res = Module::deserialize(
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&Engine::new(Config::new().cranelift_opt_level(OptLevel::None)).unwrap(),
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&bytes,
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);
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assert!(res.is_err());
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// Missing required cpu flags
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if cfg!(target_arch = "x86_64") {
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let res = Module::deserialize(
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&Engine::new(
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Config::new()
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.target(&target_lexicon::Triple::host().to_string())
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.unwrap(),
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)
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.unwrap(),
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&bytes,
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);
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assert!(res.is_err());
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}
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}
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}
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#[test]
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fn aot_compiles() -> Result<()> {
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let engine = Engine::default();
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let bytes = engine.precompile_module(
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"(module (func (export \"f\") (param i32) (result i32) local.get 0))".as_bytes(),
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)?;
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let module = unsafe { Module::deserialize(&engine, &bytes)? };
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let mut store = Store::new(&engine, ());
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let instance = Instance::new(&mut store, &module, &[])?;
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let f = instance.get_typed_func::<i32, i32, _>(&mut store, "f")?;
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assert_eq!(f.call(&mut store, 101)?, 101);
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Ok(())
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}
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