c241f18b81
* Use `Linker` in `*.wast` testing By default `Linker` disallows shadowing previously defined items, but it looks like the `*.wast` test suites rely on this so this commit adds a boolean flag to `Linker` as well indicating whether duplicates are allowed. * Review comments * Add a test with a number of recursive instances * Deny warnings in doctests * No tabs
98 lines
3.4 KiB
Rust
98 lines
3.4 KiB
Rust
use anyhow::Result;
|
|
use wasmtime::*;
|
|
|
|
#[test]
|
|
fn link_undefined() -> Result<()> {
|
|
let store = Store::default();
|
|
let linker = Linker::new(&store);
|
|
let module = Module::new(&store, r#"(module (import "" "" (func)))"#)?;
|
|
assert!(linker.instantiate(&module).is_err());
|
|
let module = Module::new(&store, r#"(module (import "" "" (global i32)))"#)?;
|
|
assert!(linker.instantiate(&module).is_err());
|
|
let module = Module::new(&store, r#"(module (import "" "" (memory 1)))"#)?;
|
|
assert!(linker.instantiate(&module).is_err());
|
|
let module = Module::new(&store, r#"(module (import "" "" (table 1 funcref)))"#)?;
|
|
assert!(linker.instantiate(&module).is_err());
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn link_twice_bad() -> Result<()> {
|
|
let store = Store::default();
|
|
let mut linker = Linker::new(&store);
|
|
|
|
// functions
|
|
linker.func("", "", || {})?;
|
|
assert!(linker.func("", "", || {}).is_err());
|
|
assert!(linker
|
|
.func("", "", || -> Result<(), Trap> { loop {} })
|
|
.is_err());
|
|
linker.func("", "", |_: i32| {})?;
|
|
|
|
// globals
|
|
let ty = GlobalType::new(ValType::I32, Mutability::Const);
|
|
let global = Global::new(&store, ty, Val::I32(0))?;
|
|
linker.define("", "", global.clone())?;
|
|
assert!(linker.define("", "", global.clone()).is_err());
|
|
|
|
let ty = GlobalType::new(ValType::I32, Mutability::Var);
|
|
let global = Global::new(&store, ty, Val::I32(0))?;
|
|
linker.define("", "", global.clone())?;
|
|
assert!(linker.define("", "", global.clone()).is_err());
|
|
|
|
let ty = GlobalType::new(ValType::I64, Mutability::Const);
|
|
let global = Global::new(&store, ty, Val::I64(0))?;
|
|
linker.define("", "", global.clone())?;
|
|
assert!(linker.define("", "", global.clone()).is_err());
|
|
|
|
// memories
|
|
let ty = MemoryType::new(Limits::new(1, None));
|
|
let memory = Memory::new(&store, ty);
|
|
linker.define("", "", memory.clone())?;
|
|
assert!(linker.define("", "", memory.clone()).is_err());
|
|
let ty = MemoryType::new(Limits::new(2, None));
|
|
let memory = Memory::new(&store, ty);
|
|
assert!(linker.define("", "", memory.clone()).is_err());
|
|
|
|
// tables
|
|
let ty = TableType::new(ValType::FuncRef, Limits::new(1, None));
|
|
let table = Table::new(&store, ty, Val::AnyRef(AnyRef::Null))?;
|
|
linker.define("", "", table.clone())?;
|
|
assert!(linker.define("", "", table.clone()).is_err());
|
|
let ty = TableType::new(ValType::FuncRef, Limits::new(2, None));
|
|
let table = Table::new(&store, ty, Val::AnyRef(AnyRef::Null))?;
|
|
assert!(linker.define("", "", table.clone()).is_err());
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn interposition() -> Result<()> {
|
|
let store = Store::default();
|
|
let mut linker = Linker::new(&store);
|
|
linker.allow_shadowing(true);
|
|
let mut module = Module::new(
|
|
&store,
|
|
r#"(module (func (export "export") (result i32) (i32.const 7)))"#,
|
|
)?;
|
|
for _ in 0..4 {
|
|
let instance = linker.instantiate(&module)?;
|
|
linker.define(
|
|
"red",
|
|
"green",
|
|
instance.get_export("export").unwrap().clone(),
|
|
)?;
|
|
module = Module::new(
|
|
&store,
|
|
r#"(module
|
|
(import "red" "green" (func (result i32)))
|
|
(func (export "export") (result i32) (i32.mul (call 0) (i32.const 2)))
|
|
)"#,
|
|
)?;
|
|
}
|
|
let instance = linker.instantiate(&module)?;
|
|
let func = instance.get_export("export").unwrap().func().unwrap();
|
|
let func = func.get0::<i32>()?;
|
|
assert_eq!(func()?, 112);
|
|
Ok(())
|
|
}
|