browser_dbg-editor-highlight.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/>. */

// Tests that the editor will always highight the right line, no

// matter if the source text doesn't exist yet or even if the source

// doesn't exist.

"use strict";

add_task(async function () {

  const dbg = await initDebugger("doc-scripts.html", "long.js");

  const {

    selectors: { getSettledSourceTextContent },

  } = dbg;

  // The source itself doesn't even exist yet, and using

  // `selectSourceURL` will set a pending request to load this source

  // and highlight a specific line.

  await selectSource(dbg, "long.js", 66);

  // TODO: revisit highlighting lines when the debugger opens

  // assertHighlightLocation(dbg, "long.js", 66);

  info("Select line 16 and make sure the editor scrolled.");

  await selectSource(dbg, "long.js", 16);

  await waitForElementWithSelector(dbg, ".CodeMirror-code > .highlight-line");

  assertHighlightLocation(dbg, "long.js", 16);

  info("Select several locations and check that we have one highlight");

  await selectSource(dbg, "long.js", 17);

  await selectSource(dbg, "long.js", 18);

  assertHighlightLocation(dbg, "long.js", 18);

  // Test jumping to a line in a source that exists but hasn't been

  // loaded yet.

  info("Select an unloaded source");

  selectSource(dbg, "simple1.js", 6);

  // Make sure the source is in the loading state, wait for it to be

  // fully loaded, and check the highlighted line.

  const simple1 = findSource(dbg, "simple1.js");

  const location = createLocation({ source: simple1 });

  is(getSettledSourceTextContent(location), null);

  await waitForSelectedSource(dbg, "simple1.js");

  ok(getSettledSourceTextContent(location).value.value);

  assertHighlightLocation(dbg, "simple1.js", 6);

});