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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /wasm/serialization/module/identity-not-preserved.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<!-- Based on similar tests in html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/ -->
<meta charset="utf-8">
<title>WebAssembly.Modules, when cloned, do not give back the same object</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./resources/test-incrementer.js"></script>
<div id="log"></div>
<script>
"use strict";
async_test(t => {
createWasmModule().then(module => {
window.addEventListener("message", t.step_func(({ data }) => {
if (data.testId !== 1) {
return;
}
assert_not_equals(data.module, module);
t.done();
}));
window.postMessage({ module, testId: 1 }, "*");
});
}, "postMessaging to this window does not give back the same WebAssembly.Module");
async_test(t => {
createWasmModule().then(module => {
const worker = new Worker("resources/echo-worker.js");
worker.addEventListener("message", t.step_func(({ data }) => {
if (data.testId !== 2) {
return;
}
assert_not_equals(data.module, module);
t.done();
}));
worker.postMessage({ testId: 2, module });
});
}, "postMessaging to a worker and back does not give back the same WebAssembly.Module");
async_test(t => {
createWasmModule().then(module => {
window.addEventListener("message", t.step_func(({ data }) => {
if (data.testId !== 3) {
return;
}
assert_not_equals(data.module, module);
t.done();
}));
const iframe = document.createElement("iframe");
iframe.onload = t.step_func(() => {
iframe.contentWindow.postMessage({ testId: 3, module }, "*");
});
iframe.src = "resources/echo-iframe.html";
document.body.appendChild(iframe);
});
}, "postMessaging to an iframe and back does not give back the same WebAssembly.Module");
</script>