Quelle test_flexbox_order_abspos.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/style/test/test_flexbox_order_abspos.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 1345873</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style type="text/css">

    div.ref {
      display: none;
      height: 30px;
    }

    refA, refB, refC {
      display: block;
      float: left;
    }

    div#a, refA {
      background: lightgreen;
      width: 20px;
      height: 30px;
    }
    div#b, refB {
      background: orange;
      width: 30px;
      height: 30px;
    }
    div#c, refC {
      background: blue;
      width: 50px;
      height: 30px;
    }
    div#flexContainer {
      display: flex;
      width: 100px;
      height: 30px;
    }
    div#flexContainerParent {
      display: none;
    }
    .abs {
      position: absolute !important;
      width: 15px  !important;
      height: 15px !important;
    }
  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1345873">Mozilla Bug 1345873</a>
<div id="display">

  
  <div id="references">
    <div class="ref" id="abc"><refA></refA><refB></refB><refC></refC></div>
    <div class="ref" id="Abc">
      <refA class="abs"></refA><refB></refB><refC></refC></div>
    <div class="ref" id="Bac">
      <refB class="abs"></refB><refA></refA><refC></refC></div>
    <div class="ref" id="Bca">
      <refB class="abs"></refB><refC></refC><refA></refA></div>
    <div class="ref" id="Cab">
      <refC class="abs"></refC><refA></refA><refB></refB></div>
    <div class="ref" id="ABc">
      <refA class="abs"></refA><refB class="abs"></refB><refC></refC></div>
    <div class="ref" id="ACb">
      <refA class="abs"></refA><refC class="abs"></refC><refB></refB></div>
    <div class="ref" id="BCa">
      <refB class="abs"></refB><refC class="abs"></refC><refA></refA></div>
    <div class="ref" id="ABC">
      <refA class="abs"></refA><refB class="abs"></refB><refC class="abs"></refC></div>
  </div>

  <div id="flexContainerParent">
    
    <div id="flexContainer">
      <div id="a"></div>
      <div id="b"></div>
      <div id="c"></div>
    </div>
  </div>

</div>
<pre id="test">
<script type="application/javascript">
"use strict";

/** Test for Bug 1345873 **/

/* This testcase ensures that we honor the "order" property when ordering
* flex items within a flex container.
*
* Note: The items in this testcase don't overlap, so this testcase does _not_
* test paint ordering.  It only tests horizontal ordering in a flex container.
*/

// DATA
// ----

// This will store snapshots of our reference divs
let gRefSnapshots = {};

// These are the sets of 'order' values that we'll test.
// * The first three values in each array are the 'order' values that we'll
// assign to elements a, b, and c (respectively).
// * The next value is a string containing the concatenated IDs of any
// elements that should be absolutely positioned.
// * The final value in each array is the ID of the expected reference
// rendering. (By convention, in those IDs, capital = abspos)
var gOrderTestcases = [
  // Just one child is abspos:
  [ 1, 2, 3, "a", "Abc"],
  [ 1, 2, 3, "b", "Bac"],
  [ 1, 2, 3, "c", "Cab"],
  [ 2, 3, 1, "b", "Bca"],
  [ 3, 1, 1, "b", "Bca"],

  // Two children are abspos:
  // (Note: "order" doesn't influence position or paint order for abspos
  // children - only for (in-flow) flex items.)
  [ 1, 2, 3, "ab", "ABc"],
  [ 2, 1, 3, "ab", "ABc"],
  [ 1, 2, 3, "ac", "ACb"],
  [ 3, 2, 1, "ac", "ACb"],
  [ 3, 2, 1, "bc", "BCa"],

  // All three children are abspos:
  // (Rendering always the same regardless of "order" values)
  [ 1, 2, 3, "abc", "ABC"],
  [ 3, 1, 2, "abc", "ABC"],
  [ 3, 2, 1, "abc", "ABC"],
];

// FUNCTIONS
// ---------

function initRefSnapshots() {
  let refIds = ["abc",
                "Abc", "Bac", "Bca", "Cab",
                "ABc", "ACb", "BCa",
                "ABC"];
  for (let id of refIds) {
    let elem = document.getElementById(id);
    elem.style.display = "block";
    gRefSnapshots[id] = snapshotWindow(window, false);
    elem.style.display = "";
  }
}

function complainIfSnapshotsDiffer(aSnap1, aSnap2, aMsg) {
  let compareResult = compareSnapshots(aSnap1, aSnap2, true);
  ok(compareResult[0],
     "flex container rendering should match expected (" + aMsg +")");
  if (!compareResult[0]) {
    todo(false, "TESTCASE: " + compareResult[1]);
    todo(false, "REFERENCE: "+ compareResult[2]);
  }
}

function runOrderTestcase(aOrderTestcase) {
  // Sanity-check
  ok(Array.isArray(aOrderTestcase), "expecting testcase to be an array");
  is(aOrderTestcase.length, 5, "expecting testcase to have 5 elements");

  document.getElementById("a").style.order = aOrderTestcase[0];
  document.getElementById("b").style.order = aOrderTestcase[1];
  document.getElementById("c").style.order = aOrderTestcase[2];

  let idsToMakeAbspos = aOrderTestcase[3].split("");
  for (let absPosId of idsToMakeAbspos) {
    document.getElementById(absPosId).classList.add("abs");
  }

  let snapshot = snapshotWindow(window, false);
  complainIfSnapshotsDiffer(snapshot, gRefSnapshots[aOrderTestcase[4]],
                            aOrderTestcase);

  // Clean up
  for (let id of ["a", "b", "c"]) {
    document.getElementById(id).style.order = "";
    document.getElementById(id).classList.remove("abs");
  }
}

// Main Function
function main() {
  initRefSnapshots();

  // un-hide the flex container's parent
  let flexContainerParent = document.getElementById("flexContainerParent");
  flexContainerParent.style.display = "block";

  // Initial sanity-check: should be in expected document order
  let initialSnapshot = snapshotWindow(window, false);
  complainIfSnapshotsDiffer(initialSnapshot, gRefSnapshots.abc,
                            "initial flex container rendering, " +
                            "no 'order' value yet");

  // OK, now we run our tests
  gOrderTestcases.forEach(runOrderTestcase);

  // Re-hide the flex container at the end
  flexContainerParent.style.display = "";
}

main();

</script>
</pre>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.25 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.