fc38f39bd2
This commit extends the `WasmList<T>` type to have an `as_slice`-lookalike method (now renamed to `as_le_slice`) for all integer types rather than just the `u8` type. With the guarantees of the component model it's known that all lists are aligned in linear memory. Additionally linear memories themselves are also generally guaranteed to be aligned. This means that hosts where the primitive integer alignment is at most the size (which I think is basically all host platforms) can get a raw view into memory for the wasm linear memory for slices of these types. Note, though, that the remaining caveat after alignment is endianness. Big-endian hosts need to be aware that the integers aren't stored in a native format. Previously tools like wit-bindgen have added an `Le<T>` wrapper but for now I've opted to instead use a method that has "le" in the name - `as_le_slice`. I'm hoping that this is a clear enough indicator for users to little-endian conversions as appropriate when reading the values within the slice.
2157 lines
78 KiB
Rust
2157 lines
78 KiB
Rust
use super::REALLOC_AND_FREE;
|
|
use anyhow::Result;
|
|
use std::rc::Rc;
|
|
use std::sync::Arc;
|
|
use wasmtime::component::*;
|
|
use wasmtime::{AsContextMut, Store, StoreContextMut, Trap, TrapCode};
|
|
|
|
const CANON_32BIT_NAN: u32 = 0b01111111110000000000000000000000;
|
|
const CANON_64BIT_NAN: u64 = 0b0111111111111000000000000000000000000000000000000000000000000000;
|
|
|
|
#[test]
|
|
fn thunks() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "thunk"))
|
|
(func (export "thunk-trap") unreachable)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
(func (export "thunk")
|
|
(canon lift (core func $i "thunk"))
|
|
)
|
|
(func (export "thunk-trap")
|
|
(canon lift (core func $i "thunk-trap"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
instance
|
|
.get_typed_func::<(), (), _>(&mut store, "thunk")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
let err = instance
|
|
.get_typed_func::<(), (), _>(&mut store, "thunk-trap")?
|
|
.call(&mut store, ())
|
|
.unwrap_err();
|
|
assert!(err.downcast::<Trap>()?.trap_code() == Some(TrapCode::UnreachableCodeReached));
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn typecheck() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "thunk"))
|
|
(func (export "take-string") (param i32 i32))
|
|
(func (export "two-args") (param i32 i32 i32))
|
|
(func (export "ret-one") (result i32) unreachable)
|
|
|
|
(memory (export "memory") 1)
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
unreachable)
|
|
)
|
|
(core instance $i (instantiate (module $m)))
|
|
(func (export "thunk")
|
|
(canon lift (core func $i "thunk"))
|
|
)
|
|
(func (export "tuple-thunk") (param (tuple)) (result (tuple))
|
|
(canon lift (core func $i "thunk"))
|
|
)
|
|
(func (export "take-string") (param string)
|
|
(canon lift (core func $i "take-string") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "take-two-args") (param s32) (param (list u8))
|
|
(canon lift (core func $i "two-args") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "ret-tuple") (result (tuple u8 s8))
|
|
(canon lift (core func $i "ret-one") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "ret-tuple1") (result (tuple u32))
|
|
(canon lift (core func $i "ret-one") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "ret-string") (result string)
|
|
(canon lift (core func $i "ret-one") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "ret-list-u8") (result (list u8))
|
|
(canon lift (core func $i "ret-one") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let thunk = instance.get_func(&mut store, "thunk").unwrap();
|
|
let tuple_thunk = instance.get_func(&mut store, "tuple-thunk").unwrap();
|
|
let take_string = instance.get_func(&mut store, "take-string").unwrap();
|
|
let take_two_args = instance.get_func(&mut store, "take-two-args").unwrap();
|
|
let ret_tuple = instance.get_func(&mut store, "ret-tuple").unwrap();
|
|
let ret_tuple1 = instance.get_func(&mut store, "ret-tuple1").unwrap();
|
|
let ret_string = instance.get_func(&mut store, "ret-string").unwrap();
|
|
let ret_list_u8 = instance.get_func(&mut store, "ret-list-u8").unwrap();
|
|
assert!(thunk.typed::<(), u32, _>(&store).is_err());
|
|
assert!(thunk.typed::<(u32,), (), _>(&store).is_err());
|
|
assert!(thunk.typed::<(), (), _>(&store).is_ok());
|
|
assert!(tuple_thunk.typed::<(), (), _>(&store).is_err());
|
|
assert!(tuple_thunk.typed::<((),), (), _>(&store).is_ok());
|
|
assert!(take_string.typed::<(), (), _>(&store).is_err());
|
|
assert!(take_string.typed::<(String,), (), _>(&store).is_ok());
|
|
assert!(take_string.typed::<(&str,), (), _>(&store).is_ok());
|
|
assert!(take_string.typed::<(&[u8],), (), _>(&store).is_err());
|
|
assert!(take_two_args.typed::<(), (), _>(&store).is_err());
|
|
assert!(take_two_args.typed::<(i32, &[u8]), u32, _>(&store).is_err());
|
|
assert!(take_two_args.typed::<(u32, &[u8]), (), _>(&store).is_err());
|
|
assert!(take_two_args.typed::<(i32, &[u8]), (), _>(&store).is_ok());
|
|
assert!(ret_tuple.typed::<(), (), _>(&store).is_err());
|
|
assert!(ret_tuple.typed::<(), (u8,), _>(&store).is_err());
|
|
assert!(ret_tuple.typed::<(), (u8, i8), _>(&store).is_ok());
|
|
assert!(ret_tuple1.typed::<(), (u32,), _>(&store).is_ok());
|
|
assert!(ret_tuple1.typed::<(), u32, _>(&store).is_err());
|
|
assert!(ret_string.typed::<(), (), _>(&store).is_err());
|
|
assert!(ret_string.typed::<(), WasmStr, _>(&store).is_ok());
|
|
assert!(ret_list_u8.typed::<(), WasmList<u16>, _>(&store).is_err());
|
|
assert!(ret_list_u8.typed::<(), WasmList<i8>, _>(&store).is_err());
|
|
assert!(ret_list_u8.typed::<(), WasmList<u8>, _>(&store).is_ok());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn integers() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "take-i32-100") (param i32)
|
|
local.get 0
|
|
i32.const 100
|
|
i32.eq
|
|
br_if 0
|
|
unreachable
|
|
)
|
|
(func (export "take-i64-100") (param i64)
|
|
local.get 0
|
|
i64.const 100
|
|
i64.eq
|
|
br_if 0
|
|
unreachable
|
|
)
|
|
(func (export "ret-i32-0") (result i32) i32.const 0)
|
|
(func (export "ret-i64-0") (result i64) i64.const 0)
|
|
(func (export "ret-i32-minus-1") (result i32) i32.const -1)
|
|
(func (export "ret-i64-minus-1") (result i64) i64.const -1)
|
|
(func (export "ret-i32-100000") (result i32) i32.const 100000)
|
|
)
|
|
(core instance $i (instantiate (module $m)))
|
|
(func (export "take-u8") (param u8) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-s8") (param s8) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-u16") (param u16) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-s16") (param s16) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-u32") (param u32) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-s32") (param s32) (canon lift (core func $i "take-i32-100")))
|
|
(func (export "take-u64") (param u64) (canon lift (core func $i "take-i64-100")))
|
|
(func (export "take-s64") (param s64) (canon lift (core func $i "take-i64-100")))
|
|
|
|
(func (export "ret-u8") (result u8) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-s8") (result s8) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-u16") (result u16) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-s16") (result s16) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-u32") (result u32) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-s32") (result s32) (canon lift (core func $i "ret-i32-0")))
|
|
(func (export "ret-u64") (result u64) (canon lift (core func $i "ret-i64-0")))
|
|
(func (export "ret-s64") (result s64) (canon lift (core func $i "ret-i64-0")))
|
|
|
|
(func (export "retm1-u8") (result u8) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-s8") (result s8) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-u16") (result u16) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-s16") (result s16) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-u32") (result u32) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-s32") (result s32) (canon lift (core func $i "ret-i32-minus-1")))
|
|
(func (export "retm1-u64") (result u64) (canon lift (core func $i "ret-i64-minus-1")))
|
|
(func (export "retm1-s64") (result s64) (canon lift (core func $i "ret-i64-minus-1")))
|
|
|
|
(func (export "retbig-u8") (result u8) (canon lift (core func $i "ret-i32-100000")))
|
|
(func (export "retbig-s8") (result s8) (canon lift (core func $i "ret-i32-100000")))
|
|
(func (export "retbig-u16") (result u16) (canon lift (core func $i "ret-i32-100000")))
|
|
(func (export "retbig-s16") (result s16) (canon lift (core func $i "ret-i32-100000")))
|
|
(func (export "retbig-u32") (result u32) (canon lift (core func $i "ret-i32-100000")))
|
|
(func (export "retbig-s32") (result s32) (canon lift (core func $i "ret-i32-100000")))
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
// Passing in 100 is valid for all primitives
|
|
instance
|
|
.get_typed_func::<(u8,), (), _>(&mut store, "take-u8")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(i8,), (), _>(&mut store, "take-s8")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(u16,), (), _>(&mut store, "take-u16")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(i16,), (), _>(&mut store, "take-s16")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(u32,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(i32,), (), _>(&mut store, "take-s32")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(u64,), (), _>(&mut store, "take-u64")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
instance
|
|
.get_typed_func::<(i64,), (), _>(&mut store, "take-s64")?
|
|
.call_and_post_return(&mut store, (100,))?;
|
|
|
|
// This specific wasm instance traps if any value other than 100 is passed
|
|
instance
|
|
.get_typed_func::<(u8,), (), _>(&mut store, "take-u8")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(i8,), (), _>(&mut store, "take-s8")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(u16,), (), _>(&mut store, "take-u16")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(i16,), (), _>(&mut store, "take-s16")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(u32,), (), _>(&mut store, "take-u32")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(i32,), (), _>(&mut store, "take-s32")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(u64,), (), _>(&mut store, "take-u64")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
instance
|
|
.get_typed_func::<(i64,), (), _>(&mut store, "take-s64")?
|
|
.call(&mut store, (101,))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
|
|
// Zero can be returned as any integer
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u8, _>(&mut store, "ret-u8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i8, _>(&mut store, "ret-s8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u16, _>(&mut store, "ret-u16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i16, _>(&mut store, "ret-s16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u32, _>(&mut store, "ret-u32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i32, _>(&mut store, "ret-s32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u64, _>(&mut store, "ret-u64")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i64, _>(&mut store, "ret-s64")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0
|
|
);
|
|
|
|
// Returning -1 should reinterpret the bytes as defined by each type.
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u8, _>(&mut store, "retm1-u8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0xff
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i8, _>(&mut store, "retm1-s8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
-1
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u16, _>(&mut store, "retm1-u16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0xffff
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i16, _>(&mut store, "retm1-s16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
-1
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u32, _>(&mut store, "retm1-u32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0xffffffff
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i32, _>(&mut store, "retm1-s32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
-1
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u64, _>(&mut store, "retm1-u64")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
0xffffffff_ffffffff
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i64, _>(&mut store, "retm1-s64")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
-1
|
|
);
|
|
|
|
// Returning 100000 should chop off bytes as necessary
|
|
let ret: u32 = 100000;
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u8, _>(&mut store, "retbig-u8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret as u8,
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i8, _>(&mut store, "retbig-s8")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret as i8,
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u16, _>(&mut store, "retbig-u16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret as u16,
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i16, _>(&mut store, "retbig-s16")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret as i16,
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), u32, _>(&mut store, "retbig-u32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret,
|
|
);
|
|
assert_eq!(
|
|
instance
|
|
.get_typed_func::<(), i32, _>(&mut store, "retbig-s32")?
|
|
.call_and_post_return(&mut store, ())?,
|
|
ret as i32,
|
|
);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
trait TypedFuncExt<P, R> {
|
|
fn call_and_post_return(&self, store: impl AsContextMut, params: P) -> Result<R>;
|
|
}
|
|
|
|
impl<P, R> TypedFuncExt<P, R> for TypedFunc<P, R>
|
|
where
|
|
P: ComponentParams + Lower,
|
|
R: Lift,
|
|
{
|
|
fn call_and_post_return(&self, mut store: impl AsContextMut, params: P) -> Result<R> {
|
|
let result = self.call(&mut store, params)?;
|
|
self.post_return(&mut store)?;
|
|
Ok(result)
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn type_layers() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "take-i32-100") (param i32)
|
|
local.get 0
|
|
i32.const 2
|
|
i32.eq
|
|
br_if 0
|
|
unreachable
|
|
)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
(func (export "take-u32") (param u32) (canon lift (core func $i "take-i32-100")))
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
instance
|
|
.get_typed_func::<(Box<u32>,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (Box::new(2),))?;
|
|
instance
|
|
.get_typed_func::<(&u32,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (&2,))?;
|
|
instance
|
|
.get_typed_func::<(Rc<u32>,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (Rc::new(2),))?;
|
|
instance
|
|
.get_typed_func::<(Arc<u32>,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (Arc::new(2),))?;
|
|
instance
|
|
.get_typed_func::<(&Box<Arc<Rc<u32>>>,), (), _>(&mut store, "take-u32")?
|
|
.call_and_post_return(&mut store, (&Box::new(Arc::new(Rc::new(2))),))?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn floats() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "i32.reinterpret_f32") (param f32) (result i32)
|
|
local.get 0
|
|
i32.reinterpret_f32
|
|
)
|
|
(func (export "i64.reinterpret_f64") (param f64) (result i64)
|
|
local.get 0
|
|
i64.reinterpret_f64
|
|
)
|
|
(func (export "f32.reinterpret_i32") (param i32) (result f32)
|
|
local.get 0
|
|
f32.reinterpret_i32
|
|
)
|
|
(func (export "f64.reinterpret_i64") (param i64) (result f64)
|
|
local.get 0
|
|
f64.reinterpret_i64
|
|
)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "f32-to-u32") (param float32) (result u32)
|
|
(canon lift (core func $i "i32.reinterpret_f32"))
|
|
)
|
|
(func (export "f64-to-u64") (param float64) (result u64)
|
|
(canon lift (core func $i "i64.reinterpret_f64"))
|
|
)
|
|
(func (export "u32-to-f32") (param u32) (result float32)
|
|
(canon lift (core func $i "f32.reinterpret_i32"))
|
|
)
|
|
(func (export "u64-to-f64") (param u64) (result float64)
|
|
(canon lift (core func $i "f64.reinterpret_i64"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let f32_to_u32 = instance.get_typed_func::<(f32,), u32, _>(&mut store, "f32-to-u32")?;
|
|
let f64_to_u64 = instance.get_typed_func::<(f64,), u64, _>(&mut store, "f64-to-u64")?;
|
|
let u32_to_f32 = instance.get_typed_func::<(u32,), f32, _>(&mut store, "u32-to-f32")?;
|
|
let u64_to_f64 = instance.get_typed_func::<(u64,), f64, _>(&mut store, "u64-to-f64")?;
|
|
|
|
assert_eq!(f32_to_u32.call(&mut store, (1.0,))?, 1.0f32.to_bits());
|
|
f32_to_u32.post_return(&mut store)?;
|
|
assert_eq!(f64_to_u64.call(&mut store, (2.0,))?, 2.0f64.to_bits());
|
|
f64_to_u64.post_return(&mut store)?;
|
|
assert_eq!(u32_to_f32.call(&mut store, (3.0f32.to_bits(),))?, 3.0);
|
|
u32_to_f32.post_return(&mut store)?;
|
|
assert_eq!(u64_to_f64.call(&mut store, (4.0f64.to_bits(),))?, 4.0);
|
|
u64_to_f64.post_return(&mut store)?;
|
|
|
|
assert_eq!(
|
|
u32_to_f32
|
|
.call(&mut store, (CANON_32BIT_NAN | 1,))?
|
|
.to_bits(),
|
|
CANON_32BIT_NAN
|
|
);
|
|
u32_to_f32.post_return(&mut store)?;
|
|
assert_eq!(
|
|
u64_to_f64
|
|
.call(&mut store, (CANON_64BIT_NAN | 1,))?
|
|
.to_bits(),
|
|
CANON_64BIT_NAN
|
|
);
|
|
u64_to_f64.post_return(&mut store)?;
|
|
|
|
assert_eq!(
|
|
f32_to_u32.call(&mut store, (f32::from_bits(CANON_32BIT_NAN | 1),))?,
|
|
CANON_32BIT_NAN
|
|
);
|
|
f32_to_u32.post_return(&mut store)?;
|
|
assert_eq!(
|
|
f64_to_u64.call(&mut store, (f64::from_bits(CANON_64BIT_NAN | 1),))?,
|
|
CANON_64BIT_NAN
|
|
);
|
|
f64_to_u64.post_return(&mut store)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn bools() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "pass") (param i32) (result i32) local.get 0)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "u32-to-bool") (param u32) (result bool)
|
|
(canon lift (core func $i "pass"))
|
|
)
|
|
(func (export "bool-to-u32") (param bool) (result u32)
|
|
(canon lift (core func $i "pass"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let u32_to_bool = instance.get_typed_func::<(u32,), bool, _>(&mut store, "u32-to-bool")?;
|
|
let bool_to_u32 = instance.get_typed_func::<(bool,), u32, _>(&mut store, "bool-to-u32")?;
|
|
|
|
assert_eq!(bool_to_u32.call(&mut store, (false,))?, 0);
|
|
bool_to_u32.post_return(&mut store)?;
|
|
assert_eq!(bool_to_u32.call(&mut store, (true,))?, 1);
|
|
bool_to_u32.post_return(&mut store)?;
|
|
assert_eq!(u32_to_bool.call(&mut store, (0,))?, false);
|
|
u32_to_bool.post_return(&mut store)?;
|
|
assert_eq!(u32_to_bool.call(&mut store, (1,))?, true);
|
|
u32_to_bool.post_return(&mut store)?;
|
|
assert_eq!(u32_to_bool.call(&mut store, (2,))?, true);
|
|
u32_to_bool.post_return(&mut store)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn chars() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(func (export "pass") (param i32) (result i32) local.get 0)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "u32-to-char") (param u32) (result char)
|
|
(canon lift (core func $i "pass"))
|
|
)
|
|
(func (export "char-to-u32") (param char) (result u32)
|
|
(canon lift (core func $i "pass"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let u32_to_char = instance.get_typed_func::<(u32,), char, _>(&mut store, "u32-to-char")?;
|
|
let char_to_u32 = instance.get_typed_func::<(char,), u32, _>(&mut store, "char-to-u32")?;
|
|
|
|
let mut roundtrip = |x: char| -> Result<()> {
|
|
assert_eq!(char_to_u32.call(&mut store, (x,))?, x as u32);
|
|
char_to_u32.post_return(&mut store)?;
|
|
assert_eq!(u32_to_char.call(&mut store, (x as u32,))?, x);
|
|
u32_to_char.post_return(&mut store)?;
|
|
Ok(())
|
|
};
|
|
|
|
roundtrip('x')?;
|
|
roundtrip('a')?;
|
|
roundtrip('\0')?;
|
|
roundtrip('\n')?;
|
|
roundtrip('💝')?;
|
|
|
|
let err = u32_to_char.call(&mut store, (0xd800,)).unwrap_err();
|
|
assert!(err.to_string().contains("integer out of range"), "{}", err);
|
|
let err = u32_to_char.call(&mut store, (0xdfff,)).unwrap_err();
|
|
assert!(err.to_string().contains("integer out of range"), "{}", err);
|
|
let err = u32_to_char.call(&mut store, (0x110000,)).unwrap_err();
|
|
assert!(err.to_string().contains("integer out of range"), "{}", err);
|
|
let err = u32_to_char.call(&mut store, (u32::MAX,)).unwrap_err();
|
|
assert!(err.to_string().contains("integer out of range"), "{}", err);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn tuple_result() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "foo") (param i32 i32 f32 f64) (result i32)
|
|
(local $base i32)
|
|
(local.set $base (i32.const 8))
|
|
(i32.store8 offset=0 (local.get $base) (local.get 0))
|
|
(i32.store16 offset=2 (local.get $base) (local.get 1))
|
|
(f32.store offset=4 (local.get $base) (local.get 2))
|
|
(f64.store offset=8 (local.get $base) (local.get 3))
|
|
local.get $base
|
|
)
|
|
|
|
(func (export "invalid") (result i32)
|
|
i32.const -8
|
|
)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(type $result (tuple s8 u16 float32 float64))
|
|
(func (export "tuple")
|
|
(param s8) (param u16) (param float32) (param float64) (result $result)
|
|
(canon lift (core func $i "foo") (memory $i "memory"))
|
|
)
|
|
(func (export "invalid") (result $result)
|
|
(canon lift (core func $i "invalid") (memory $i "memory"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
let input = (-1, 100, 3.0, 100.0);
|
|
let output = instance
|
|
.get_typed_func::<(i8, u16, f32, f64), (i8, u16, f32, f64), _>(&mut store, "tuple")?
|
|
.call_and_post_return(&mut store, input)?;
|
|
assert_eq!(input, output);
|
|
|
|
let invalid_func =
|
|
instance.get_typed_func::<(), (i8, u16, f32, f64), _>(&mut store, "invalid")?;
|
|
let err = invalid_func.call(&mut store, ()).err().unwrap();
|
|
assert!(
|
|
err.to_string().contains("pointer out of bounds of memory"),
|
|
"{}",
|
|
err
|
|
);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn strings() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "roundtrip") (param i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 8)))
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "list8-to-str") (param (list u8)) (result string)
|
|
(canon lift
|
|
(core func $i "roundtrip")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "str-to-list8") (param string) (result (list u8))
|
|
(canon lift
|
|
(core func $i "roundtrip")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "list16-to-str") (param (list u16)) (result string)
|
|
(canon lift
|
|
(core func $i "roundtrip")
|
|
string-encoding=utf16
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "str-to-list16") (param string) (result (list u16))
|
|
(canon lift
|
|
(core func $i "roundtrip")
|
|
string-encoding=utf16
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let list8_to_str =
|
|
instance.get_typed_func::<(&[u8],), WasmStr, _>(&mut store, "list8-to-str")?;
|
|
let str_to_list8 =
|
|
instance.get_typed_func::<(&str,), WasmList<u8>, _>(&mut store, "str-to-list8")?;
|
|
let list16_to_str =
|
|
instance.get_typed_func::<(&[u16],), WasmStr, _>(&mut store, "list16-to-str")?;
|
|
let str_to_list16 =
|
|
instance.get_typed_func::<(&str,), WasmList<u16>, _>(&mut store, "str-to-list16")?;
|
|
|
|
let mut roundtrip = |x: &str| -> Result<()> {
|
|
let ret = list8_to_str.call(&mut store, (x.as_bytes(),))?;
|
|
assert_eq!(ret.to_str(&store)?, x);
|
|
list8_to_str.post_return(&mut store)?;
|
|
|
|
let utf16 = x.encode_utf16().collect::<Vec<_>>();
|
|
let ret = list16_to_str.call(&mut store, (&utf16[..],))?;
|
|
assert_eq!(ret.to_str(&store)?, x);
|
|
list16_to_str.post_return(&mut store)?;
|
|
|
|
let ret = str_to_list8.call(&mut store, (x,))?;
|
|
assert_eq!(ret.iter(&store).collect::<Result<Vec<_>>>()?, x.as_bytes());
|
|
str_to_list8.post_return(&mut store)?;
|
|
|
|
let ret = str_to_list16.call(&mut store, (x,))?;
|
|
assert_eq!(ret.iter(&store).collect::<Result<Vec<_>>>()?, utf16,);
|
|
str_to_list16.post_return(&mut store)?;
|
|
|
|
Ok(())
|
|
};
|
|
|
|
roundtrip("")?;
|
|
roundtrip("foo")?;
|
|
roundtrip("hello there")?;
|
|
roundtrip("💝")?;
|
|
roundtrip("Löwe 老虎 Léopard")?;
|
|
|
|
let ret = list8_to_str.call(&mut store, (b"\xff",))?;
|
|
let err = ret.to_str(&store).unwrap_err();
|
|
assert!(err.to_string().contains("invalid utf-8"), "{}", err);
|
|
list8_to_str.post_return(&mut store)?;
|
|
|
|
let ret = list8_to_str.call(&mut store, (b"hello there \xff invalid",))?;
|
|
let err = ret.to_str(&store).unwrap_err();
|
|
assert!(err.to_string().contains("invalid utf-8"), "{}", err);
|
|
list8_to_str.post_return(&mut store)?;
|
|
|
|
let ret = list16_to_str.call(&mut store, (&[0xd800],))?;
|
|
let err = ret.to_str(&store).unwrap_err();
|
|
assert!(err.to_string().contains("unpaired surrogate"), "{}", err);
|
|
list16_to_str.post_return(&mut store)?;
|
|
|
|
let ret = list16_to_str.call(&mut store, (&[0xdfff],))?;
|
|
let err = ret.to_str(&store).unwrap_err();
|
|
assert!(err.to_string().contains("unpaired surrogate"), "{}", err);
|
|
list16_to_str.post_return(&mut store)?;
|
|
|
|
let ret = list16_to_str.call(&mut store, (&[0xd800, 0xff00],))?;
|
|
let err = ret.to_str(&store).unwrap_err();
|
|
assert!(err.to_string().contains("unpaired surrogate"), "{}", err);
|
|
list16_to_str.post_return(&mut store)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn many_parameters() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "foo") (param i32) (result i32)
|
|
(local $base i32)
|
|
|
|
;; Allocate space for the return
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 12)))
|
|
|
|
;; Store the pointer/length of the entire linear memory
|
|
;; so we have access to everything.
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(i32.const 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(i32.mul
|
|
(memory.size)
|
|
(i32.const 65536)))
|
|
|
|
;; And also store our pointer parameter
|
|
(i32.store offset=8
|
|
(local.get $base)
|
|
(local.get 0))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(type $result (tuple (list u8) u32))
|
|
(type $t (func
|
|
(param s8) ;; offset 0, size 1
|
|
(param u64) ;; offset 8, size 8
|
|
(param float32) ;; offset 16, size 4
|
|
(param u8) ;; offset 20, size 1
|
|
(param unit) ;; offset 21, size 0
|
|
(param s16) ;; offset 22, size 2
|
|
(param string) ;; offset 24, size 8
|
|
(param (list u32)) ;; offset 32, size 8
|
|
(param bool) ;; offset 40, size 1
|
|
(param bool) ;; offset 41, size 1
|
|
(param char) ;; offset 44, size 4
|
|
(param (list bool)) ;; offset 48, size 8
|
|
(param (list char)) ;; offset 56, size 8
|
|
(param (list string)) ;; offset 64, size 8
|
|
|
|
(result $result)
|
|
))
|
|
(func (export "many-param") (type $t)
|
|
(canon lift
|
|
(core func $i "foo")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let func = instance.get_typed_func::<(
|
|
i8,
|
|
u64,
|
|
f32,
|
|
u8,
|
|
(),
|
|
i16,
|
|
&str,
|
|
&[u32],
|
|
bool,
|
|
bool,
|
|
char,
|
|
&[bool],
|
|
&[char],
|
|
&[&str],
|
|
), (WasmList<u8>, u32), _>(&mut store, "many-param")?;
|
|
|
|
let input = (
|
|
-100,
|
|
u64::MAX / 2,
|
|
f32::from_bits(CANON_32BIT_NAN | 1),
|
|
38,
|
|
(),
|
|
18831,
|
|
"this is the first string",
|
|
[1, 2, 3, 4, 5, 6, 7, 8].as_slice(),
|
|
true,
|
|
false,
|
|
'🚩',
|
|
[false, true, false, true, true].as_slice(),
|
|
['🍌', '🥐', '🍗', '🍙', '🍡'].as_slice(),
|
|
[
|
|
"the quick",
|
|
"brown fox",
|
|
"was too lazy",
|
|
"to jump over the dog",
|
|
"what a demanding dog",
|
|
]
|
|
.as_slice(),
|
|
);
|
|
let (memory, pointer) = func.call(&mut store, input)?;
|
|
let memory = memory.as_le_slice(&store);
|
|
|
|
let mut actual = &memory[pointer as usize..][..72];
|
|
assert_eq!(i8::from_le_bytes(*actual.take_n::<1>()), input.0);
|
|
actual.skip::<7>();
|
|
assert_eq!(u64::from_le_bytes(*actual.take_n::<8>()), input.1);
|
|
assert_eq!(u32::from_le_bytes(*actual.take_n::<4>()), CANON_32BIT_NAN);
|
|
assert_eq!(u8::from_le_bytes(*actual.take_n::<1>()), input.3);
|
|
actual.skip::<1>();
|
|
assert_eq!(i16::from_le_bytes(*actual.take_n::<2>()), input.5);
|
|
assert_eq!(actual.ptr_len(memory, 1), input.6.as_bytes());
|
|
let mut mem = actual.ptr_len(memory, 4);
|
|
for expected in input.7.iter() {
|
|
assert_eq!(u32::from_le_bytes(*mem.take_n::<4>()), *expected);
|
|
}
|
|
assert!(mem.is_empty());
|
|
assert_eq!(actual.take_n::<1>(), &[input.8 as u8]);
|
|
assert_eq!(actual.take_n::<1>(), &[input.9 as u8]);
|
|
actual.skip::<2>();
|
|
assert_eq!(u32::from_le_bytes(*actual.take_n::<4>()), input.10 as u32);
|
|
|
|
// (list bool)
|
|
mem = actual.ptr_len(memory, 1);
|
|
for expected in input.11.iter() {
|
|
assert_eq!(mem.take_n::<1>(), &[*expected as u8]);
|
|
}
|
|
assert!(mem.is_empty());
|
|
|
|
// (list char)
|
|
mem = actual.ptr_len(memory, 4);
|
|
for expected in input.12.iter() {
|
|
assert_eq!(u32::from_le_bytes(*mem.take_n::<4>()), *expected as u32);
|
|
}
|
|
assert!(mem.is_empty());
|
|
|
|
// (list string)
|
|
mem = actual.ptr_len(memory, 8);
|
|
for expected in input.13.iter() {
|
|
let actual = mem.ptr_len(memory, 1);
|
|
assert_eq!(actual, expected.as_bytes());
|
|
}
|
|
assert!(mem.is_empty());
|
|
assert!(actual.is_empty());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn some_traps() -> Result<()> {
|
|
let middle_of_memory = (i32::MAX / 2) & (!0xff);
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "take-many") (param i32))
|
|
(func (export "take-list") (param i32 i32))
|
|
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
unreachable)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "take-list-unreachable") (param (list u8))
|
|
(canon lift (core func $i "take-list") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
(func (export "take-string-unreachable") (param string)
|
|
(canon lift (core func $i "take-list") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
|
|
(type $t (func
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
(param string)
|
|
))
|
|
(func (export "take-many-unreachable") (type $t)
|
|
(canon lift (core func $i "take-many") (memory $i "memory") (realloc (func $i "realloc")))
|
|
)
|
|
|
|
(core module $m2
|
|
(memory (export "memory") 1)
|
|
(func (export "take-many") (param i32))
|
|
(func (export "take-list") (param i32 i32))
|
|
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
i32.const {middle_of_memory})
|
|
)
|
|
(core instance $i2 (instantiate $m2))
|
|
|
|
(func (export "take-list-base-oob") (param (list u8))
|
|
(canon lift (core func $i2 "take-list") (memory $i2 "memory") (realloc (func $i2 "realloc")))
|
|
)
|
|
(func (export "take-string-base-oob") (param string)
|
|
(canon lift (core func $i2 "take-list") (memory $i2 "memory") (realloc (func $i2 "realloc")))
|
|
)
|
|
(func (export "take-many-base-oob") (type $t)
|
|
(canon lift (core func $i2 "take-many") (memory $i2 "memory") (realloc (func $i2 "realloc")))
|
|
)
|
|
|
|
(core module $m3
|
|
(memory (export "memory") 1)
|
|
(func (export "take-many") (param i32))
|
|
(func (export "take-list") (param i32 i32))
|
|
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
i32.const 65532)
|
|
)
|
|
(core instance $i3 (instantiate $m3))
|
|
|
|
(func (export "take-list-end-oob") (param (list u8))
|
|
(canon lift (core func $i3 "take-list") (memory $i3 "memory") (realloc (func $i3 "realloc")))
|
|
)
|
|
(func (export "take-string-end-oob") (param string)
|
|
(canon lift (core func $i3 "take-list") (memory $i3 "memory") (realloc (func $i3 "realloc")))
|
|
)
|
|
(func (export "take-many-end-oob") (type $t)
|
|
(canon lift (core func $i3 "take-many") (memory $i3 "memory") (realloc (func $i3 "realloc")))
|
|
)
|
|
|
|
(core module $m4
|
|
(memory (export "memory") 1)
|
|
(func (export "take-many") (param i32))
|
|
|
|
(global $cnt (mut i32) (i32.const 0))
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
global.get $cnt
|
|
if (result i32)
|
|
i32.const 100000
|
|
else
|
|
i32.const 1
|
|
global.set $cnt
|
|
i32.const 0
|
|
end
|
|
)
|
|
)
|
|
(core instance $i4 (instantiate $m4))
|
|
|
|
(func (export "take-many-second-oob") (type $t)
|
|
(canon lift (core func $i4 "take-many") (memory $i4 "memory") (realloc (func $i4 "realloc")))
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
// This should fail when calling the allocator function for the argument
|
|
let err = instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-unreachable")?
|
|
.call(&mut store, (&[],))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
assert_eq!(err.trap_code(), Some(TrapCode::UnreachableCodeReached));
|
|
|
|
// This should fail when calling the allocator function for the argument
|
|
let err = instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-unreachable")?
|
|
.call(&mut store, ("",))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
assert_eq!(err.trap_code(), Some(TrapCode::UnreachableCodeReached));
|
|
|
|
// This should fail when calling the allocator function for the space
|
|
// to store the arguments (before arguments are even lowered)
|
|
let err = instance
|
|
.get_typed_func::<(&str, &str, &str, &str, &str, &str, &str, &str, &str, &str), (), _>(
|
|
&mut store,
|
|
"take-many-unreachable",
|
|
)?
|
|
.call(&mut store, ("", "", "", "", "", "", "", "", "", ""))
|
|
.unwrap_err()
|
|
.downcast::<Trap>()?;
|
|
assert_eq!(err.trap_code(), Some(TrapCode::UnreachableCodeReached));
|
|
|
|
// Assert that when the base pointer returned by malloc is out of bounds
|
|
// that errors are reported as such. Both empty and lists with contents
|
|
// should all be invalid here.
|
|
//
|
|
// FIXME(WebAssembly/component-model#32) confirm the semantics here are
|
|
// what's desired.
|
|
#[track_caller]
|
|
fn assert_oob(err: &anyhow::Error) {
|
|
assert!(
|
|
err.to_string()
|
|
.contains("realloc return: beyond end of memory"),
|
|
"{:?}",
|
|
err,
|
|
);
|
|
}
|
|
let err = instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-base-oob")?
|
|
.call(&mut store, (&[],))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
let err = instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-base-oob")?
|
|
.call(&mut store, (&[1],))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
let err = instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-base-oob")?
|
|
.call(&mut store, ("",))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
let err = instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-base-oob")?
|
|
.call(&mut store, ("x",))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
let err = instance
|
|
.get_typed_func::<(&str, &str, &str, &str, &str, &str, &str, &str, &str, &str), (), _>(
|
|
&mut store,
|
|
"take-many-base-oob",
|
|
)?
|
|
.call(&mut store, ("", "", "", "", "", "", "", "", "", ""))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
|
|
// Test here that when the returned pointer from malloc is one byte from the
|
|
// end of memory that empty things are fine, but larger things are not.
|
|
|
|
instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-end-oob")?
|
|
.call_and_post_return(&mut store, (&[],))?;
|
|
instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-end-oob")?
|
|
.call_and_post_return(&mut store, (&[1, 2, 3, 4],))?;
|
|
let err = instance
|
|
.get_typed_func::<(&[u8],), (), _>(&mut store, "take-list-end-oob")?
|
|
.call(&mut store, (&[1, 2, 3, 4, 5],))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-end-oob")?
|
|
.call_and_post_return(&mut store, ("",))?;
|
|
instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-end-oob")?
|
|
.call_and_post_return(&mut store, ("abcd",))?;
|
|
let err = instance
|
|
.get_typed_func::<(&str,), (), _>(&mut store, "take-string-end-oob")?
|
|
.call(&mut store, ("abcde",))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
let err = instance
|
|
.get_typed_func::<(&str, &str, &str, &str, &str, &str, &str, &str, &str, &str), (), _>(
|
|
&mut store,
|
|
"take-many-end-oob",
|
|
)?
|
|
.call(&mut store, ("", "", "", "", "", "", "", "", "", ""))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
|
|
// For this function the first allocation, the space to store all the
|
|
// arguments, is in-bounds but then all further allocations, such as for
|
|
// each individual string, are all out of bounds.
|
|
let err = instance
|
|
.get_typed_func::<(&str, &str, &str, &str, &str, &str, &str, &str, &str, &str), (), _>(
|
|
&mut store,
|
|
"take-many-second-oob",
|
|
)?
|
|
.call(&mut store, ("", "", "", "", "", "", "", "", "", ""))
|
|
.unwrap_err();
|
|
assert_oob(&err);
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn char_bool_memory() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "ret-tuple") (param i32 i32) (result i32)
|
|
(local $base i32)
|
|
|
|
;; Allocate space for the return
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 8)))
|
|
|
|
;; store the boolean
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
|
|
;; store the char
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "ret-tuple") (param u32) (param u32) (result (tuple bool char))
|
|
(canon lift (core func $i "ret-tuple")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc")))
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let func = instance.get_typed_func::<(u32, u32), (bool, char), _>(&mut store, "ret-tuple")?;
|
|
|
|
let ret = func.call(&mut store, (0, 'a' as u32))?;
|
|
assert_eq!(ret, (false, 'a'));
|
|
func.post_return(&mut store)?;
|
|
|
|
let ret = func.call(&mut store, (1, '🍰' as u32))?;
|
|
assert_eq!(ret, (true, '🍰'));
|
|
func.post_return(&mut store)?;
|
|
|
|
let ret = func.call(&mut store, (2, 'a' as u32))?;
|
|
assert_eq!(ret, (true, 'a'));
|
|
func.post_return(&mut store)?;
|
|
|
|
assert!(func.call(&mut store, (0, 0xd800)).is_err());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn string_list_oob() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "ret-list") (result i32)
|
|
(local $base i32)
|
|
|
|
;; Allocate space for the return
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 8)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(i32.const 100000))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(i32.const 1))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "ret-list-u8") (result (list u8))
|
|
(canon lift (core func $i "ret-list")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "ret-string") (result string)
|
|
(canon lift (core func $i "ret-list")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let ret_list_u8 = instance.get_typed_func::<(), WasmList<u8>, _>(&mut store, "ret-list-u8")?;
|
|
let ret_string = instance.get_typed_func::<(), WasmStr, _>(&mut store, "ret-string")?;
|
|
|
|
let err = ret_list_u8.call(&mut store, ()).err().unwrap();
|
|
assert!(err.to_string().contains("out of bounds"), "{}", err);
|
|
|
|
let err = ret_string.call(&mut store, ()).err().unwrap();
|
|
assert!(err.to_string().contains("out of bounds"), "{}", err);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn tuples() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "foo")
|
|
(param i32 f64 i32)
|
|
(result i32)
|
|
|
|
local.get 0
|
|
i32.const 0
|
|
i32.ne
|
|
if unreachable end
|
|
|
|
local.get 1
|
|
f64.const 1
|
|
f64.ne
|
|
if unreachable end
|
|
|
|
local.get 2
|
|
i32.const 2
|
|
i32.ne
|
|
if unreachable end
|
|
|
|
i32.const 3
|
|
)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "foo")
|
|
(param (tuple s32 float64))
|
|
(param (tuple s8))
|
|
(result (tuple u16))
|
|
(canon lift (core func $i "foo"))
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let foo = instance.get_typed_func::<((i32, f64), (i8,)), (u16,), _>(&mut store, "foo")?;
|
|
assert_eq!(foo.call(&mut store, ((0, 1.0), (2,)))?, (3,));
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn option() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "pass0") (param i32) (result i32)
|
|
local.get 0
|
|
)
|
|
(func (export "pass1") (param i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 8)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
|
|
(local.get $base)
|
|
)
|
|
(func (export "pass2") (param i32 i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 12)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
(i32.store offset=8
|
|
(local.get $base)
|
|
(local.get 2))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "option-unit-to-u32") (param (option unit)) (result u32)
|
|
(canon lift (core func $i "pass0"))
|
|
)
|
|
(func (export "option-u8-to-tuple") (param (option u8)) (result (tuple u32 u32))
|
|
(canon lift (core func $i "pass1") (memory $i "memory"))
|
|
)
|
|
(func (export "option-u32-to-tuple") (param (option u32)) (result (tuple u32 u32))
|
|
(canon lift (core func $i "pass1") (memory $i "memory"))
|
|
)
|
|
(func (export "option-string-to-tuple") (param (option string)) (result (tuple u32 string))
|
|
(canon lift
|
|
(core func $i "pass2")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "to-option-unit") (param u32) (result (option unit))
|
|
(canon lift (core func $i "pass0"))
|
|
)
|
|
(func (export "to-option-u8") (param u32) (param u32) (result (option u8))
|
|
(canon lift (core func $i "pass1") (memory $i "memory"))
|
|
)
|
|
(func (export "to-option-u32") (param u32) (param u32) (result (option u32))
|
|
(canon lift
|
|
(core func $i "pass1")
|
|
(memory $i "memory")
|
|
)
|
|
)
|
|
(func (export "to-option-string") (param u32) (param string) (result (option string))
|
|
(canon lift
|
|
(core func $i "pass2")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let option_unit_to_u32 =
|
|
instance.get_typed_func::<(Option<()>,), u32, _>(&mut store, "option-unit-to-u32")?;
|
|
assert_eq!(option_unit_to_u32.call(&mut store, (None,))?, 0);
|
|
option_unit_to_u32.post_return(&mut store)?;
|
|
assert_eq!(option_unit_to_u32.call(&mut store, (Some(()),))?, 1);
|
|
option_unit_to_u32.post_return(&mut store)?;
|
|
|
|
let option_u8_to_tuple = instance
|
|
.get_typed_func::<(Option<u8>,), (u32, u32), _>(&mut store, "option-u8-to-tuple")?;
|
|
assert_eq!(option_u8_to_tuple.call(&mut store, (None,))?, (0, 0));
|
|
option_u8_to_tuple.post_return(&mut store)?;
|
|
assert_eq!(option_u8_to_tuple.call(&mut store, (Some(0),))?, (1, 0));
|
|
option_u8_to_tuple.post_return(&mut store)?;
|
|
assert_eq!(option_u8_to_tuple.call(&mut store, (Some(100),))?, (1, 100));
|
|
option_u8_to_tuple.post_return(&mut store)?;
|
|
|
|
let option_u32_to_tuple = instance
|
|
.get_typed_func::<(Option<u32>,), (u32, u32), _>(&mut store, "option-u32-to-tuple")?;
|
|
assert_eq!(option_u32_to_tuple.call(&mut store, (None,))?, (0, 0));
|
|
option_u32_to_tuple.post_return(&mut store)?;
|
|
assert_eq!(option_u32_to_tuple.call(&mut store, (Some(0),))?, (1, 0));
|
|
option_u32_to_tuple.post_return(&mut store)?;
|
|
assert_eq!(
|
|
option_u32_to_tuple.call(&mut store, (Some(100),))?,
|
|
(1, 100)
|
|
);
|
|
option_u32_to_tuple.post_return(&mut store)?;
|
|
|
|
let option_string_to_tuple = instance.get_typed_func::<(Option<&str>,), (u32, WasmStr), _>(
|
|
&mut store,
|
|
"option-string-to-tuple",
|
|
)?;
|
|
let (a, b) = option_string_to_tuple.call(&mut store, (None,))?;
|
|
assert_eq!(a, 0);
|
|
assert_eq!(b.to_str(&store)?, "");
|
|
option_string_to_tuple.post_return(&mut store)?;
|
|
let (a, b) = option_string_to_tuple.call(&mut store, (Some(""),))?;
|
|
assert_eq!(a, 1);
|
|
assert_eq!(b.to_str(&store)?, "");
|
|
option_string_to_tuple.post_return(&mut store)?;
|
|
let (a, b) = option_string_to_tuple.call(&mut store, (Some("hello"),))?;
|
|
assert_eq!(a, 1);
|
|
assert_eq!(b.to_str(&store)?, "hello");
|
|
option_string_to_tuple.post_return(&mut store)?;
|
|
|
|
let to_option_unit =
|
|
instance.get_typed_func::<(u32,), Option<()>, _>(&mut store, "to-option-unit")?;
|
|
assert_eq!(to_option_unit.call(&mut store, (0,))?, None);
|
|
to_option_unit.post_return(&mut store)?;
|
|
assert_eq!(to_option_unit.call(&mut store, (1,))?, Some(()));
|
|
to_option_unit.post_return(&mut store)?;
|
|
let err = to_option_unit.call(&mut store, (2,)).unwrap_err();
|
|
assert!(err.to_string().contains("invalid option"), "{}", err);
|
|
|
|
let to_option_u8 =
|
|
instance.get_typed_func::<(u32, u32), Option<u8>, _>(&mut store, "to-option-u8")?;
|
|
assert_eq!(to_option_u8.call(&mut store, (0x00_00, 0))?, None);
|
|
to_option_u8.post_return(&mut store)?;
|
|
assert_eq!(to_option_u8.call(&mut store, (0x00_01, 0))?, Some(0));
|
|
to_option_u8.post_return(&mut store)?;
|
|
assert_eq!(to_option_u8.call(&mut store, (0xfd_01, 0))?, Some(0xfd));
|
|
to_option_u8.post_return(&mut store)?;
|
|
assert!(to_option_u8.call(&mut store, (0x00_02, 0)).is_err());
|
|
|
|
let to_option_u32 =
|
|
instance.get_typed_func::<(u32, u32), Option<u32>, _>(&mut store, "to-option-u32")?;
|
|
assert_eq!(to_option_u32.call(&mut store, (0, 0))?, None);
|
|
to_option_u32.post_return(&mut store)?;
|
|
assert_eq!(to_option_u32.call(&mut store, (1, 0))?, Some(0));
|
|
to_option_u32.post_return(&mut store)?;
|
|
assert_eq!(
|
|
to_option_u32.call(&mut store, (1, 0x1234fead))?,
|
|
Some(0x1234fead)
|
|
);
|
|
to_option_u32.post_return(&mut store)?;
|
|
assert!(to_option_u32.call(&mut store, (2, 0)).is_err());
|
|
|
|
let to_option_string = instance
|
|
.get_typed_func::<(u32, &str), Option<WasmStr>, _>(&mut store, "to-option-string")?;
|
|
let ret = to_option_string.call(&mut store, (0, ""))?;
|
|
assert!(ret.is_none());
|
|
to_option_string.post_return(&mut store)?;
|
|
let ret = to_option_string.call(&mut store, (1, ""))?;
|
|
assert_eq!(ret.unwrap().to_str(&store)?, "");
|
|
to_option_string.post_return(&mut store)?;
|
|
let ret = to_option_string.call(&mut store, (1, "cheesecake"))?;
|
|
assert_eq!(ret.unwrap().to_str(&store)?, "cheesecake");
|
|
to_option_string.post_return(&mut store)?;
|
|
assert!(to_option_string.call(&mut store, (2, "")).is_err());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn expected() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "pass0") (param i32) (result i32)
|
|
local.get 0
|
|
)
|
|
(func (export "pass1") (param i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 8)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
|
|
(local.get $base)
|
|
)
|
|
(func (export "pass2") (param i32 i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 12)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
(i32.store offset=8
|
|
(local.get $base)
|
|
(local.get 2))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "take-expected-unit") (param (expected unit unit)) (result u32)
|
|
(canon lift (core func $i "pass0"))
|
|
)
|
|
(func (export "take-expected-u8-f32") (param (expected u8 float32)) (result (tuple u32 u32))
|
|
(canon lift (core func $i "pass1") (memory $i "memory"))
|
|
)
|
|
(type $list (list u8))
|
|
(func (export "take-expected-string") (param (expected string $list)) (result (tuple u32 string))
|
|
(canon lift
|
|
(core func $i "pass2")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "to-expected-unit") (param u32) (result (expected unit unit))
|
|
(canon lift (core func $i "pass0"))
|
|
)
|
|
(func (export "to-expected-s16-f32") (param u32) (param u32) (result (expected s16 float32))
|
|
(canon lift
|
|
(core func $i "pass1")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
let take_expected_unit =
|
|
instance.get_typed_func::<(Result<(), ()>,), u32, _>(&mut store, "take-expected-unit")?;
|
|
assert_eq!(take_expected_unit.call(&mut store, (Ok(()),))?, 0);
|
|
take_expected_unit.post_return(&mut store)?;
|
|
assert_eq!(take_expected_unit.call(&mut store, (Err(()),))?, 1);
|
|
take_expected_unit.post_return(&mut store)?;
|
|
|
|
let take_expected_u8_f32 = instance
|
|
.get_typed_func::<(Result<u8, f32>,), (u32, u32), _>(&mut store, "take-expected-u8-f32")?;
|
|
assert_eq!(take_expected_u8_f32.call(&mut store, (Ok(1),))?, (0, 1));
|
|
take_expected_u8_f32.post_return(&mut store)?;
|
|
assert_eq!(
|
|
take_expected_u8_f32.call(&mut store, (Err(2.0),))?,
|
|
(1, 2.0f32.to_bits())
|
|
);
|
|
take_expected_u8_f32.post_return(&mut store)?;
|
|
|
|
let take_expected_string = instance
|
|
.get_typed_func::<(Result<&str, &[u8]>,), (u32, WasmStr), _>(
|
|
&mut store,
|
|
"take-expected-string",
|
|
)?;
|
|
let (a, b) = take_expected_string.call(&mut store, (Ok("hello"),))?;
|
|
assert_eq!(a, 0);
|
|
assert_eq!(b.to_str(&store)?, "hello");
|
|
take_expected_string.post_return(&mut store)?;
|
|
let (a, b) = take_expected_string.call(&mut store, (Err(b"goodbye"),))?;
|
|
assert_eq!(a, 1);
|
|
assert_eq!(b.to_str(&store)?, "goodbye");
|
|
take_expected_string.post_return(&mut store)?;
|
|
|
|
let to_expected_unit =
|
|
instance.get_typed_func::<(u32,), Result<(), ()>, _>(&mut store, "to-expected-unit")?;
|
|
assert_eq!(to_expected_unit.call(&mut store, (0,))?, Ok(()));
|
|
to_expected_unit.post_return(&mut store)?;
|
|
assert_eq!(to_expected_unit.call(&mut store, (1,))?, Err(()));
|
|
to_expected_unit.post_return(&mut store)?;
|
|
let err = to_expected_unit.call(&mut store, (2,)).unwrap_err();
|
|
assert!(err.to_string().contains("invalid expected"), "{}", err);
|
|
|
|
let to_expected_s16_f32 = instance
|
|
.get_typed_func::<(u32, u32), Result<i16, f32>, _>(&mut store, "to-expected-s16-f32")?;
|
|
assert_eq!(to_expected_s16_f32.call(&mut store, (0, 0))?, Ok(0));
|
|
to_expected_s16_f32.post_return(&mut store)?;
|
|
assert_eq!(to_expected_s16_f32.call(&mut store, (0, 100))?, Ok(100));
|
|
to_expected_s16_f32.post_return(&mut store)?;
|
|
assert_eq!(
|
|
to_expected_s16_f32.call(&mut store, (1, 1.0f32.to_bits()))?,
|
|
Err(1.0)
|
|
);
|
|
to_expected_s16_f32.post_return(&mut store)?;
|
|
let ret = to_expected_s16_f32.call(&mut store, (1, CANON_32BIT_NAN | 1))?;
|
|
assert_eq!(ret.unwrap_err().to_bits(), CANON_32BIT_NAN);
|
|
to_expected_s16_f32.post_return(&mut store)?;
|
|
assert!(to_expected_s16_f32.call(&mut store, (2, 0)).is_err());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn fancy_list() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "take") (param i32 i32) (result i32)
|
|
(local $base i32)
|
|
(local.set $base
|
|
(call $realloc
|
|
(i32.const 0)
|
|
(i32.const 0)
|
|
(i32.const 4)
|
|
(i32.const 16)))
|
|
|
|
(i32.store offset=0
|
|
(local.get $base)
|
|
(local.get 0))
|
|
(i32.store offset=4
|
|
(local.get $base)
|
|
(local.get 1))
|
|
(i32.store offset=8
|
|
(local.get $base)
|
|
(i32.const 0))
|
|
(i32.store offset=12
|
|
(local.get $base)
|
|
(i32.mul
|
|
(memory.size)
|
|
(i32.const 65536)))
|
|
|
|
(local.get $base)
|
|
)
|
|
|
|
{REALLOC_AND_FREE}
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(type $a (option u8))
|
|
(type $b (expected unit string))
|
|
(type $input (list (tuple $a $b)))
|
|
(type $output (tuple u32 u32 (list u8)))
|
|
(func (export "take") (param $input) (result $output)
|
|
(canon lift
|
|
(core func $i "take")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
let func = instance
|
|
.get_typed_func::<(&[(Option<u8>, Result<(), &str>)],), (u32, u32, WasmList<u8>), _>(
|
|
&mut store, "take",
|
|
)?;
|
|
|
|
let input = [
|
|
(None, Ok(())),
|
|
(Some(2), Err("hello there")),
|
|
(Some(200), Err("general kenobi")),
|
|
];
|
|
let (ptr, len, list) = func.call(&mut store, (&input,))?;
|
|
let memory = list.as_le_slice(&store);
|
|
let ptr = usize::try_from(ptr).unwrap();
|
|
let len = usize::try_from(len).unwrap();
|
|
let mut array = &memory[ptr..][..len * 16];
|
|
|
|
for (a, b) in input.iter() {
|
|
match a {
|
|
Some(val) => {
|
|
assert_eq!(*array.take_n::<2>(), [1, *val]);
|
|
}
|
|
None => {
|
|
assert_eq!(*array.take_n::<1>(), [0]);
|
|
array.skip::<1>();
|
|
}
|
|
}
|
|
array.skip::<2>();
|
|
match b {
|
|
Ok(()) => {
|
|
assert_eq!(*array.take_n::<1>(), [0]);
|
|
array.skip::<11>();
|
|
}
|
|
Err(s) => {
|
|
assert_eq!(*array.take_n::<1>(), [1]);
|
|
array.skip::<3>();
|
|
assert_eq!(array.ptr_len(memory, 1), s.as_bytes());
|
|
}
|
|
}
|
|
}
|
|
assert!(array.is_empty());
|
|
|
|
Ok(())
|
|
}
|
|
|
|
trait SliceExt<'a> {
|
|
fn take_n<const N: usize>(&mut self) -> &'a [u8; N];
|
|
|
|
fn skip<const N: usize>(&mut self) {
|
|
self.take_n::<N>();
|
|
}
|
|
|
|
fn ptr_len<'b>(&mut self, all_memory: &'b [u8], size: usize) -> &'b [u8] {
|
|
let ptr = u32::from_le_bytes(*self.take_n::<4>());
|
|
let len = u32::from_le_bytes(*self.take_n::<4>());
|
|
let ptr = usize::try_from(ptr).unwrap();
|
|
let len = usize::try_from(len).unwrap();
|
|
&all_memory[ptr..][..len * size]
|
|
}
|
|
}
|
|
|
|
impl<'a> SliceExt<'a> for &'a [u8] {
|
|
fn take_n<const N: usize>(&mut self) -> &'a [u8; N] {
|
|
let (a, b) = self.split_at(N);
|
|
*self = b;
|
|
a.try_into().unwrap()
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn invalid_alignment() -> Result<()> {
|
|
let component = format!(
|
|
r#"(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
(func (export "realloc") (param i32 i32 i32 i32) (result i32)
|
|
i32.const 1)
|
|
|
|
(func (export "take-i32") (param i32))
|
|
(func (export "ret-1") (result i32) i32.const 1)
|
|
(func (export "ret-unaligned-list") (result i32)
|
|
(i32.store offset=0 (i32.const 8) (i32.const 1))
|
|
(i32.store offset=4 (i32.const 8) (i32.const 1))
|
|
i32.const 8)
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
|
|
(func (export "many-params")
|
|
(param string) (param string) (param string) (param string)
|
|
(param string) (param string) (param string) (param string)
|
|
(param string) (param string) (param string) (param string)
|
|
(canon lift
|
|
(core func $i "take-i32")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "string-ret") (result string)
|
|
(canon lift
|
|
(core func $i "ret-1")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
(func (export "list-u32-ret") (result (list u32))
|
|
(canon lift
|
|
(core func $i "ret-unaligned-list")
|
|
(memory $i "memory")
|
|
(realloc (func $i "realloc"))
|
|
)
|
|
)
|
|
)"#
|
|
);
|
|
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
|
|
let err = instance
|
|
.get_typed_func::<(
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
&str,
|
|
), (), _>(&mut store, "many-params")?
|
|
.call(&mut store, ("", "", "", "", "", "", "", "", "", "", "", ""))
|
|
.unwrap_err();
|
|
assert!(
|
|
err.to_string()
|
|
.contains("realloc return: result not aligned"),
|
|
"{}",
|
|
err
|
|
);
|
|
|
|
let err = instance
|
|
.get_typed_func::<(), WasmStr, _>(&mut store, "string-ret")?
|
|
.call(&mut store, ())
|
|
.err()
|
|
.unwrap();
|
|
assert!(
|
|
err.to_string().contains("return pointer not aligned"),
|
|
"{}",
|
|
err
|
|
);
|
|
|
|
let err = instance
|
|
.get_typed_func::<(), WasmList<u32>, _>(&mut store, "list-u32-ret")?
|
|
.call(&mut store, ())
|
|
.err()
|
|
.unwrap();
|
|
assert!(
|
|
err.to_string().contains("list pointer is not aligned"),
|
|
"{}",
|
|
err
|
|
);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn drop_component_still_works() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(import "f" (func $f))
|
|
|
|
(core func $f_lower
|
|
(canon lower (func $f))
|
|
)
|
|
(core module $m
|
|
(import "" "" (func $f))
|
|
|
|
(func $f2
|
|
call $f
|
|
call $f
|
|
)
|
|
|
|
(export "f" (func $f2))
|
|
)
|
|
(core instance $i (instantiate $m
|
|
(with "" (instance
|
|
(export "" (func $f_lower))
|
|
))
|
|
))
|
|
(func (export "f")
|
|
(canon lift
|
|
(core func $i "f")
|
|
)
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let (mut store, instance) = {
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, 0);
|
|
let mut linker = Linker::new(&engine);
|
|
linker
|
|
.root()
|
|
.func_wrap("f", |mut store: StoreContextMut<'_, u32>| -> Result<()> {
|
|
*store.data_mut() += 1;
|
|
Ok(())
|
|
})?;
|
|
let instance = linker.instantiate(&mut store, &component)?;
|
|
(store, instance)
|
|
};
|
|
|
|
let f = instance.get_typed_func::<(), (), _>(&mut store, "f")?;
|
|
assert_eq!(*store.data(), 0);
|
|
f.call(&mut store, ())?;
|
|
assert_eq!(*store.data(), 2);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn raw_slice_of_various_types() -> Result<()> {
|
|
let component = r#"
|
|
(component
|
|
(core module $m
|
|
(memory (export "memory") 1)
|
|
|
|
(func (export "list8") (result i32)
|
|
(call $setup_list (i32.const 16))
|
|
)
|
|
(func (export "list16") (result i32)
|
|
(call $setup_list (i32.const 8))
|
|
)
|
|
(func (export "list32") (result i32)
|
|
(call $setup_list (i32.const 4))
|
|
)
|
|
(func (export "list64") (result i32)
|
|
(call $setup_list (i32.const 2))
|
|
)
|
|
|
|
(func $setup_list (param i32) (result i32)
|
|
(i32.store offset=0 (i32.const 100) (i32.const 8))
|
|
(i32.store offset=4 (i32.const 100) (local.get 0))
|
|
i32.const 100
|
|
)
|
|
|
|
(data (i32.const 8) "\00\01\02\03\04\05\06\07\08\09\0a\0b\0c\0d\0e\0f")
|
|
)
|
|
(core instance $i (instantiate $m))
|
|
(func (export "list-u8") (result (list u8))
|
|
(canon lift (core func $i "list8") (memory $i "memory"))
|
|
)
|
|
(func (export "list-i8") (result (list s8))
|
|
(canon lift (core func $i "list8") (memory $i "memory"))
|
|
)
|
|
(func (export "list-u16") (result (list u16))
|
|
(canon lift (core func $i "list16") (memory $i "memory"))
|
|
)
|
|
(func (export "list-i16") (result (list s16))
|
|
(canon lift (core func $i "list16") (memory $i "memory"))
|
|
)
|
|
(func (export "list-u32") (result (list u32))
|
|
(canon lift (core func $i "list32") (memory $i "memory"))
|
|
)
|
|
(func (export "list-i32") (result (list s32))
|
|
(canon lift (core func $i "list32") (memory $i "memory"))
|
|
)
|
|
(func (export "list-u64") (result (list u64))
|
|
(canon lift (core func $i "list64") (memory $i "memory"))
|
|
)
|
|
(func (export "list-i64") (result (list s64))
|
|
(canon lift (core func $i "list64") (memory $i "memory"))
|
|
)
|
|
)
|
|
"#;
|
|
|
|
let (mut store, instance) = {
|
|
let engine = super::engine();
|
|
let component = Component::new(&engine, component)?;
|
|
let mut store = Store::new(&engine, ());
|
|
let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
|
|
(store, instance)
|
|
};
|
|
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<u8>, _>(&mut store, "list-u8")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
|
|
0x0e, 0x0f,
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<i8>, _>(&mut store, "list-i8")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
|
|
0x0e, 0x0f,
|
|
]
|
|
);
|
|
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<u16>, _>(&mut store, "list-u16")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
u16::to_le(0x01_00),
|
|
u16::to_le(0x03_02),
|
|
u16::to_le(0x05_04),
|
|
u16::to_le(0x07_06),
|
|
u16::to_le(0x09_08),
|
|
u16::to_le(0x0b_0a),
|
|
u16::to_le(0x0d_0c),
|
|
u16::to_le(0x0f_0e),
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<i16>, _>(&mut store, "list-i16")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
i16::to_le(0x01_00),
|
|
i16::to_le(0x03_02),
|
|
i16::to_le(0x05_04),
|
|
i16::to_le(0x07_06),
|
|
i16::to_le(0x09_08),
|
|
i16::to_le(0x0b_0a),
|
|
i16::to_le(0x0d_0c),
|
|
i16::to_le(0x0f_0e),
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<u32>, _>(&mut store, "list-u32")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
u32::to_le(0x03_02_01_00),
|
|
u32::to_le(0x07_06_05_04),
|
|
u32::to_le(0x0b_0a_09_08),
|
|
u32::to_le(0x0f_0e_0d_0c),
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<i32>, _>(&mut store, "list-i32")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
i32::to_le(0x03_02_01_00),
|
|
i32::to_le(0x07_06_05_04),
|
|
i32::to_le(0x0b_0a_09_08),
|
|
i32::to_le(0x0f_0e_0d_0c),
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<u64>, _>(&mut store, "list-u64")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
u64::to_le(0x07_06_05_04_03_02_01_00),
|
|
u64::to_le(0x0f_0e_0d_0c_0b_0a_09_08),
|
|
]
|
|
);
|
|
let list = instance
|
|
.get_typed_func::<(), WasmList<i64>, _>(&mut store, "list-i64")?
|
|
.call_and_post_return(&mut store, ())?;
|
|
assert_eq!(
|
|
list.as_le_slice(&store),
|
|
[
|
|
i64::to_le(0x07_06_05_04_03_02_01_00),
|
|
i64::to_le(0x0f_0e_0d_0c_0b_0a_09_08),
|
|
]
|
|
);
|
|
Ok(())
|
|
}
|