test_module_script_reject_importMap.html

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<!DOCTYPE html>

<head>

  <meta charset=utf-8>

  <title>Test import map should be rejected.</title>

</head>

<body onload='testLoaded()'>

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

<!--Note: This test should be replaced by-->

<!--test_importMap_after_module_load.html when the pref-->

<!--"dom.multiple_import_maps.enabled" is turned on.-->

<!--There is a module load before the import map tag, so the import map cannot-->

<!--be accepted according to the spec.-->

<!--And because the import map is rejected, so the module specifier-->

<!--"./module_simpleExport.mjs" won't be remapped to-->

<!--"./scope1/module_simpleExport.mjs".-->

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

<script type="importmap" onerror='importMapError()'>

  "imports": {

    "./module_simpleExport.mjs": "./scope1/module_simpleExport.mjs"

</script>

<script>

  SimpleTest.waitForExplicitFinish();

  let hasError = false;

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

  function importMapError() {

    hasError = true;

  // If the multiple import maps is supported, the import map will be accepted,

  // otherwise it is ignored.

  const pref = SpecialPowers.getBoolPref("dom.multiple_import_maps.enabled");

  const expectedValue = pref ? 84 : 42;

  const onerrorExpected = !pref;

  const msgExpected = !pref;

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

  function testLoaded() {

    import("./module_simpleExport.mjs").then((ns) => {

      ok(ns.x == expectedValue, 'Check simple imported value result: ' + ns.x);

      ok(hasError == onerrorExpected, "onerror of the import map should be called.");

    }).catch((e) => {

      ok(false, "throws " + e);

    }).then(() => {

      SimpleTest.finish();

});

</script>

</body>