test_shared_submodules_with_modulepreload.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test module cancel won't trigger an assert</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="modulepreload" href="./bug_1894631_module_2.mjs" />

<link rel="modulepreload" href="./bug_1894631_module_3.mjs" />

<link rel="modulepreload" href="./non_existing.mjs" />

<script src="./bug_1894631_module_1.mjs" type="module" id="module_1"></script>

<script>

  var module1_loaded = false;

  var module1_error = false;

  SimpleTest.waitForExplicitFinish();

  const module1 = document.getElementById("module_1");

  module1.addEventListener("error", () => {

    info("error event");

    module1_error = true;

});

  // eslint-disable-next-line no-unused-vars

  function testLoaded() {

    ok(module1_error, "module_1.mjs should fire an error event");

    ok(!module1_loaded, "module_1.mjs should not be loaded");

    SimpleTest.finish();

</script>

<body onload='testLoaded()'>

</body>