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<!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("onunhandledrejection", 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>
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