test_nested_modules.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test nested module</title>

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

<script>

  SimpleTest.waitForExplicitFinish();

  function testLoaded() {

    ok(true, 'Not crash');

    SimpleTest.finish();

  (async function generateModules(n) {

    const urls = [];

    for (let i = n; i >= 1; i--) {

      const nextUrl = urls[0] || '';

      const content = i === n

        ? `console.log("Hello from module ${i}");`

        : `import "${nextUrl}";\nconsole.log("Entered module ${i}");`;

      const blob = new Blob([content], { type: 'application/javascript' });

      const blobURL = URL.createObjectURL(blob);

      urls.unshift(blobURL); // Add to the beginning for next import

    // Start execution from the topmost module

    const mainModuleURL = urls[0];

    try {

      await import(mainModuleURL);

    } catch (e) {

      console.error("Module import failed:", e);

    urls.forEach(URL.revokeObjectURL);

  })(4000);

</script>

<body onload='testLoaded()'></body>