browser_jsterm_error_docs.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const TEST_URI = "data:text/html,<!DOCTYPE html>Test error documentation";

add_task(async function () {

  const hud = await openNewTabAndConsole(TEST_URI);

  // Check that errors with entries in errordocs.js display links next to their messages.

  const ErrorDocs = require("resource://devtools/server/actors/errordocs.js");

  const ErrorDocStatements = {

    JSMSG_BAD_RADIX: "(42).toString(0);",

    JSMSG_BAD_ARRAY_LENGTH: "([]).length = -1",

    JSMSG_NEGATIVE_REPETITION_COUNT: "'abc'.repeat(-1);",

    JSMSG_PRECISION_RANGE: "77.1234.toExponential(-1);",

};

  for (const [errorMessageName, expression] of Object.entries(

    ErrorDocStatements

  )) {

    const errorUrl = ErrorDocs.GetURL({ errorMessageName });

    const title = errorUrl.split("?")[0];

    await clearOutput(hud);

    const { node } = await executeAndWaitForErrorMessage(

      hud,

      expression,

      "RangeError:"

);

    const learnMoreLink = node.querySelector(".learn-more-link");

ok(

      learnMoreLink,

      `There is a [Learn More] link for "${errorMessageName}" error`

);

is(

      learnMoreLink.title,

      title,

      `The link has the expected "${title}" title`

);

is(

      learnMoreLink.href,

      errorUrl,

      `The link has the expected "${errorUrl}" href value`

);

});