instantiation-error-6.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/scripting-1/the-script-element/module/instantiation-error-6.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Handling of instantiation errors, 6</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 ambiguous star exports lead to an instantiation error " +

        "and that the correct module is blamed.");

    // Concretely, instantiation-error-6a.js fails to instantiate because it

    // requests a name from instantion-error-6b.js that is ambiguous there.

    // instantiation-error-6b.js itself, however, is fine, and it instantiates

    // and evaluates successfully.

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

      const exn = log[0];

      assert_array_equals(log, [

          exn, 1,

          "instantiation-error-6c",

          "instantiation-error-6d",

          "instantiation-error-6b", 2

]);

      assert_equals(exn.constructor, SyntaxError);

    }));

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

</script>

<script type="module" src="./instantiation-error-6a.js"

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

<script type="module" src="./instantiation-error-6b.js"

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