test_inlineScripts.html

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<!DOCTYPE html>

<html>

  <meta charset=utf-8>

  <title>Tests for nsIScriptError</title>

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

  <div id="log"></div>

  <!-- Verify that column is correct, even for inline scripts with HTML on the same line -->

  <span>some html</span> <script>var inlineScriptStack = new Error().stack;</script>

  <script>

    function waitForError (expectedMessage){

      return new Promise(resolve => {

        const listener = {

          QueryInterface: ChromeUtils.generateQI(["nsIConsoleListener"])

};

        listener.observe = function(message) {

          if (message.message.includes(expectedMessage)) {

            message.QueryInterface(Ci.nsIScriptError);

            resolve(message);

            Services.console.unregisterListener(listener);

};

        Services.console.registerListener(listener);

});

    var onInlineScriptError = waitForError("doThrow");

    var onModuleError = waitForError("doThrowInModule");

    SimpleTest.expectUncaughtException();

  </script>

  <span>some more html</span><script>doThrow() // eslint-disable-line no-undef</script>

  <script>var b;</script><hr><script type="module">SimpleTest.expectUncaughtException();doThrowInModule() // eslint-disable-line no-undef</script>

  <script>

    add_task(async () => {

        info("Check line and column information in Error#stack");

        const { groups } = inlineScriptStack.match(/(?<line>\d+):(?<column>\d+)/);

        is(groups.line, "9", "line of Error#stack in inline script is correct");

        is(groups.column, "58", "column of Error#stack in inline script is correct");

        info("Check line and column information Error message in inline script");

        const errorMessage = await onInlineScriptError;

        is(errorMessage.lineNumber, 33, "The exception line is correct");

        is(errorMessage.columnNumber, 38, "The exception column is correct");

        info("Check line and column information Error message in inline module");

        const errorMessageInModule = await onModuleError;

        is(errorMessageInModule.lineNumber, 34, "The module exception line is correct");

        is(errorMessageInModule.columnNumber, 89, "The module exception column is correct");

});

  </script>

</html>