browser_flexbox_item_outline_renders_basisfinal_points_correctly.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that the flex item outline renders the basis and final points as a single point

// if their sizes are equal. If not, then render as separate points.

const TEST_URI = URL_ROOT + "doc_flexbox_specific_cases.html";

add_task(async function () {

  await addTab(TEST_URI);

  const { inspector, flexboxInspector } = await openLayoutView();

  const { document: doc, store } = flexboxInspector;

  info("Select a flex item whose basis size matches its final size.");

  let onUpdate = waitForDispatch(store, "UPDATE_FLEXBOX");

  await selectNode(".item", inspector);

  await onUpdate;

  const [basisFinalPoint] = [

    ...doc.querySelectorAll(".flex-outline-point.basisfinal"),

];

  ok(basisFinalPoint, "The basis/final point exists");

  info("Select a flex item whose basis size is different than its final size.");

  onUpdate = waitForDispatch(store, "UPDATE_FLEXBOX");

  await selectNode(".shrinking .item", inspector);

  await onUpdate;

  const [basis, final] = [

    ...doc.querySelectorAll(

      ".flex-outline-point.basis, .flex-outline-point.final"

),

];

  ok(basis, "The basis point exists");

  ok(final, "The final point exists");

});