browser_dbg-expressions-error.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

/**

 * test pausing on an errored watch expression

 * assert that you can:

 * 1. resume

 * 2. still evalutate expressions

 * 3. expand properties

*/

"use strict";

add_task(async function () {

  const dbg = await initDebugger("doc-script-switching.html");

  await togglePauseOnExceptions(dbg, true, true);

  // add a good expression, 2 bad expressions, and another good one

  info(`Adding location`);

  await addExpression(dbg, "location");

  await addExpression(dbg, "foo.bar");

  await addExpression(dbg, "foo)(");

  await addExpression(dbg, "2");

  // check the value of

  is(getWatchExpressionValue(dbg, 2), "(unavailable)");

  is(getWatchExpressionValue(dbg, 3), "\"SyntaxError: unexpected token: ')'\"");

  is(getWatchExpressionValue(dbg, 4), "2");

  await toggleExpressionNode(dbg, 1);

  is(findAllElements(dbg, "expressionNodes").length, 37);

});