File: evaluation-error-2.html

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<!DOCTYPE html>
<title>Handling of evaluation errors, 2</title>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
    setup({allow_uncaught_exception: true});

    window.log = [];

    window.addEventListener("error", ev => log.push(ev.error));

    const test_load = async_test(
        "Test that ill-founded cyclic dependencies cause ReferenceError " +
        "during evaluation, which leads to error events on window, and that " +
        "exceptions are remembered.\n");
    window.addEventListener("load", test_load.step_func_done(ev => {
      const exn = log[1];
      assert_array_equals(log, ["cycle-tdz-access-a", exn, exn, exn]);
      assert_equals(exn.constructor, ReferenceError);
    }));

    function unreachable() { log.push("unexpected"); }
</script>
<script type="module" src="cycle-tdz-access.js" async onerror="unreachable()"></script>
<script type="module" src="cycle-tdz-access.js" nomodule onerror="unreachable()"></script>
<script type="module" src="cycle-tdz-access.js" onerror="unreachable()"></script>