firefox/devtools/client/inspector/boxmodel/test/browser_boxmodel.js

/* Any copyright is dedicated to the Public Domain.
 http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test that the box model displays the right values and that it updates when
// the node's style is changed

// Expected values:
var res1 = [
  {
    selector: ".boxmodel-element-size",
    value: "160" + "\u00D7" + "160.117",
  },
  {
    selector: ".boxmodel-size > .boxmodel-width",
    value: "100",
  },
  {
    selector: ".boxmodel-size > .boxmodel-height",
    value: "100.117",
  },
  {
    selector: ".boxmodel-position.boxmodel-top > span",
    value: "42",
  },
  {
    selector: ".boxmodel-position.boxmodel-left > span",
    value: "42",
  },
  {
    selector: ".boxmodel-margin.boxmodel-top > span",
    value: "30",
  },
  {
    selector: ".boxmodel-margin.boxmodel-left > span",
    value: "auto",
  },
  {
    selector: ".boxmodel-margin.boxmodel-bottom > span",
    value: "30",
  },
  {
    selector: ".boxmodel-margin.boxmodel-right > span",
    value: "auto",
  },
  {
    selector: ".boxmodel-padding.boxmodel-top > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-left > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-bottom > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-right > span",
    value: "20",
  },
  {
    selector: ".boxmodel-border.boxmodel-top > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-left > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-bottom > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-right > span",
    value: "10",
  },
];

var res2 = [
  {
    selector: ".boxmodel-element-size",
    value: "190" + "\u00D7" + "210",
  },
  {
    selector: ".boxmodel-size > .boxmodel-width",
    value: "100",
  },
  {
    selector: ".boxmodel-size > .boxmodel-height",
    value: "150",
  },
  {
    selector: ".boxmodel-position.boxmodel-top > span",
    value: "50",
  },
  {
    selector: ".boxmodel-position.boxmodel-left > span",
    value: "42",
  },
  {
    selector: ".boxmodel-margin.boxmodel-top > span",
    value: "30",
  },
  {
    selector: ".boxmodel-margin.boxmodel-left > span",
    value: "auto",
  },
  {
    selector: ".boxmodel-margin.boxmodel-bottom > span",
    value: "30",
  },
  {
    selector: ".boxmodel-margin.boxmodel-right > span",
    value: "auto",
  },
  {
    selector: ".boxmodel-padding.boxmodel-top > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-left > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-bottom > span",
    value: "20",
  },
  {
    selector: ".boxmodel-padding.boxmodel-right > span",
    value: "50",
  },
  {
    selector: ".boxmodel-border.boxmodel-top > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-left > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-bottom > span",
    value: "10",
  },
  {
    selector: ".boxmodel-border.boxmodel-right > span",
    value: "10",
  },
];

var res3 = [
  {
    selector: ".boxmodel-element-size",
    value: "0" + "\u00D7" + "0",
  },
  {
    selector: ".boxmodel-size > .boxmodel-width",
    value: "auto",
  },
  {
    selector: ".boxmodel-size > .boxmodel-height",
    value: "auto",
  },
];

add_task(async function () {
  const style =
    "div { position: absolute; top: 42px; left: 42px; " +
    "height: 100.111px; width: 100px; border: 10px solid black; " +
    "padding: 20px; margin: 30px auto;}";
  const html = "<style>" + style + "</style><div></div>";

  await addTab("data:text/html," + encodeURIComponent(html));
  const { inspector, boxmodel } = await openLayoutView();
  await selectNode("div", inspector);

  testInitialValues(inspector, boxmodel);
  await testChangingValues(inspector, boxmodel);
  await testContentValueForHiddenElement(inspector, boxmodel);
});

function testInitialValues(inspector, boxmodel) {
  info("Test that the initial values of the box model are correct");
  const doc = boxmodel.document;

  for (let i = 0; i < res1.length; i++) {
    const elt = doc.querySelector(res1[i].selector);
    is(
      elt.textContent,
      res1[i].value,
      res1[i].selector + " has the right value."
    );
  }
}

async function testChangingValues(inspector, boxmodel) {
  info("Test that changing the document updates the box model");
  const doc = boxmodel.document;

  const onUpdated = waitForUpdate(inspector);
  await setContentPageElementAttribute(
    "div",
    "style",
    "height:150px;padding-right:50px;top:50px"
  );
  await onUpdated;

  for (let i = 0; i < res2.length; i++) {
    const elt = doc.querySelector(res2[i].selector);
    is(
      elt.textContent,
      res2[i].value,
      res2[i].selector + " has the right value after style update."
    );
  }
}

async function testContentValueForHiddenElement(inspector, boxmodel) {
  info("Test that content shows 'auto' x 'auto' for hidden elements");
  const doc = boxmodel.document;

  const onUpdated = waitForUpdate(inspector);
  await setContentPageElementAttribute(
    "div",
    "style",
    "padding: 10%; display: none;"
  );
  await onUpdated;

  for (let i = 0; i < res3.length; i++) {
    const elt = doc.querySelector(res3[i].selector);
    is(
      elt.textContent,
      res3[i].value,
      res3[i].selector + " has the right value after hiding element."
    );
  }
}