instantiation-error-2.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-2.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Handling of instantiation errors, 2</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

    setup({allow_uncaught_exception: true});

    const test_load = async_test(

        "Test that missing exports lead to SyntaxError events on window and " +

        "load events on script");

    window.log = [];

    window.addEventListener("error", ev => {

      test_load.step(() => assert_equals(ev.error.constructor, SyntaxError));

      log.push(ev.message);

});

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

      const msg = log[0];

      assert_array_equals(log, [msg, 1, msg, 2, msg, 3, msg, 4, msg, 5]);

    }));

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

</script>

<script type="module" src="./missing-export-nested.js"

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

<script type="module" src="./missing-export-nested.js"

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

<script type="module" src="./missing-export.js"

    onerror="unreachable()" onload="log.push(3)"></script>

<script type="module" src="./missing-export-nested.js"

    onerror="unreachable()" onload="log.push(4)"></script>

<script type="module" src="./missing-export.js"

    onerror="unreachable()" onload="log.push(5)"></script>