choice-of-error-3.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/scripting-1/the-script-element/module/choice-of-error-3.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Choice of evaluation errors</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));

    window.addEventListener("unhandledrejection", unreachable);

    const test_load = async_test(

        "Evaluation errors are cached in intermediate module scripts");

    window.addEventListener("load", test_load.step_func_done(ev => {

      assert_equals(log.length, 5);

      // Evaluation errors, unlike parse/instantiation errors, are remembered

      // and cached in module scripts between the root and the script that

      // caused an evaluation error, and thus the same evaluation error

      // is reported for both <script> elements.

      assert_equals(log[0], "throw2");

      assert_true(log[1].bar);

      assert_equals(log[2], 1);

      assert_true(log[3].bar);

      assert_equals(log[4], 2);

      assert_equals(log[1], log[3], 'evaluation errors must be the same');

    }));

    function unreachable() { log.push("unexpected"); }

</script>

<script type="module" src="./choice-of-error-3a.js"

    onerror="unreachable()" onload="log.push(1)"></script>

<script type="module" src="./choice-of-error-3b.js"

    onerror="unreachable()" onload="log.push(2)"></script>