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const { Module, Instance, Global, instantiate, instantiateStreaming } = WebAssembly;
const g = new Global({value: "i32", mutable:true}, 0);
const code = wasmTextToBinary(`(module
(global $g (import "" "g") (mut i32))
(func $start (global.set $g (i32.add (global.get $g) (i32.const 1))))
(start $start)
)`);
const module = new Module(code);
const importObj = { '': { get g() { g.value++; return g } } };
g.value = 0;
new Instance(module, importObj);
assertEq(g.value, 2);
g.value = 0;
instantiate(module, importObj).then(i => {
assertEq(i instanceof Instance, true);
assertEq(g.value, 2);
g.value++;
});
assertEq(g.value, 1);
drainJobQueue();
assertEq(g.value, 3);
g.value = 0;
instantiate(code, importObj).then(({module,instance}) => {
assertEq(module instanceof Module, true);
assertEq(instance instanceof Instance, true);
assertEq(g.value, 2); g.value++; }
);
drainJobQueue();
assertEq(g.value, 3);
if (wasmStreamingEnabled()) {
g.value = 0;
instantiateStreaming(code, importObj).then(({module,instance}) => {
assertEq(module instanceof Module, true);
assertEq(instance instanceof Instance, true);
assertEq(g.value, 2);
g.value++;
});
drainJobQueue();
assertEq(g.value, 3);
}
|
