test_import_errorMessage.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test module import error message</title>

<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

<script>

  SimpleTest.waitForExplicitFinish();

  let count = 0;

  window.onerror = function (event, src, lineno, colno, error) {

    info("window.onerror: message: " + error.message);

    info("window.onerror: src: " + src);

    ok(error instanceof SyntaxError, "Should be a SyntaxError.");

    if (src.match("no_indirect_export.mjs") ||

        src.match("import_no_export.mjs")) {

      ok(error.message.match("doesn't provide an export named"));

    } else if(src.match("export_ambiguous.mjs") ||

              src.match("import_ambiguous_export_star.mjs") ||

              src.match("import_ambiguous_export.mjs") ||

              src.match("import_ambiguous.mjs")) {

      ok(error.message.match("contains ambiguous star export"));

    } else if (src.match("import_circular_1.mjs")) {

      ok(error.message.match("contains circular import"));

    } else {

      ok(false, "unknown src " + src);

    count++;

};

  // eslint-disable-next-line no-unused-vars

  function testLoaded() {

    ok(count === 7, "Should have 7 SynaxErrors thrown.");

    SimpleTest.finish();

</script>

<script type="module" src="import_no_indirect_export.mjs"></script>

<script type="module" src="import_ambiguous_indirect_export.mjs"></script>

<script type="module" src="import_ambiguous_export_star.mjs"></script>

<script type="module" src="import_ambiguous_export.mjs"></script>

<script type="module" src="import_no_export.mjs"></script>

<script type="module" src="import_ambiguous.mjs"></script>

<script type="module" src="import_circular.mjs"></script>

<body onload='testLoaded()'></body>