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// |jit-test| skip-if: !wasmGcEnabled()
// Tests of eqref dynamic type checks
const EqrefCheckError = /can only pass a WebAssembly GC object to an eqref/;
// 1. Exported function params
let {a} = wasmEvalText(`(module
(func (export "a") (param eqref))
)`).exports;
for (let val of WasmNonEqrefValues) {
assertErrorMessage(() => a(val), TypeError, EqrefCheckError);
}
for (let val of WasmEqrefValues) {
a(val);
}
// 2. Imported function results
for (let val of WasmNonEqrefValues) {
function returnVal() {
return val;
}
let {test} = wasmEvalText(`(module
(func $returnVal (import "" "returnVal") (result eqref))
(func (export "test")
call $returnVal
drop
)
)`, {"": {returnVal}}).exports;
assertErrorMessage(() => test(), TypeError, EqrefCheckError);
}
for (let val of WasmEqrefValues) {
function returnVal() {
return val;
}
let {test} = wasmEvalText(`(module
(func $returnVal (import "" "returnVal") (result eqref))
(func (export "test")
call $returnVal
drop
)
)`, {"": {returnVal}}).exports;
test(val);
}
// 3. Global value setter
for (let val of WasmEqrefValues) {
// Construct global from JS-API with initial value
let a = new WebAssembly.Global({value: 'eqref'}, val);
assertEq(a.value, val, 'roundtrip matches');
// Construct global from JS-API with null value, then set
let b = new WebAssembly.Global({value: 'eqref', mutable: true}, null);
b.value = val;
assertEq(b.value, val, 'roundtrip matches');
}
for (let val of WasmNonEqrefValues) {
// Construct global from JS-API with initial value
assertErrorMessage(() => new WebAssembly.Global({value: 'eqref'}, val),
TypeError,
EqrefCheckError);
// Construct global from JS-API with null value, then set
let a = new WebAssembly.Global({value: 'eqref', mutable: true}, null);
assertErrorMessage(() => a.value = val,
TypeError,
EqrefCheckError);
}
// 4. Table set method
for (let val of WasmEqrefValues) {
let table = new WebAssembly.Table({element: 'eqref', initial: 1, maximum: 1});
table.set(0, val);
assertEq(table.get(0), val, 'roundtrip matches');
}
for (let val of WasmNonEqrefValues) {
let table = new WebAssembly.Table({element: 'eqref', initial: 1, maximum: 1});
assertErrorMessage(() => table.set(0, val),
TypeError,
EqrefCheckError);
}
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