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[Gecko Bug 1383683] Fix race in wpt /wasm/wasm_local_iframe_test.html (r=bz) #126

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[Gecko Bug 1383683] Fix race in wpt /wasm/wasm_local_iframe_test.html (r=bz) #126

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24 changes: 13 additions & 11 deletions wasm/wasm_local_iframe_test.html
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,18 @@
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/load_wasm.js"></script>
<iframe src="resources/frame.html" id="iframe"></iframe>
<script>
promise_test(async function() {
var mod = await createWasmModule();
assert_true(mod instanceof WebAssembly.Module);
var ans = await new Promise((resolve, reject) => {
var iframe = document.getElementById("iframe").contentWindow;
iframe.postMessage(mod, '*');
window.addEventListener("message", (reply) => resolve(reply.data), false);
});
assert_equals(ans, 43);
}, "send wasm module to iframe");
function runTests(iframe) {
iframe = iframe.contentWindow;
promise_test(async function() {
var mod = await createWasmModule();
assert_true(mod instanceof WebAssembly.Module);
var ans = await new Promise((resolve, reject) => {
iframe.postMessage(mod, '*');
window.addEventListener("message", (reply) => resolve(reply.data), false);
});
assert_equals(ans, 43);
}, "send wasm module to iframe");
}
</script>
<iframe src="resources/frame.html" onload="runTests(this)"></iframe>