test_position_float_display.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1038929

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 1038929</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script type="text/javascript" src="property_database.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body>

<a target="_blank"

  href="https://bugzilla.mozilla.org/show_bug.cgi?id=1038929">Mozilla Bug 1038929</a>

<p id="display"></p>

<div id="content" style="display: none">

  <div id="float-left" style="float: left"></div>

  <div id="float-right" style="float: right"></div>

  <div id="position-absolute" style="position: absolute"></div>

  <div id="position-fixed" style="position: fixed"></div>

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 1038929: Test that "display" on a floated or absolutely/fixed

  position node is correctly converted to a block display as given in the table

  in CSS 2.1 9.7. */

// Maps from display value to expected conversion when floated/positioned

// This loosely follows the spec in CSS 2.1 section 9.7. Except for "other"

// values which the spec says should be "same as specified." For these, we do

// whatever the spec for the value itself says.

var mapping = {

  "inline": "block",

  "table-row-group": "block",

  "table-column": "block",

  "table-column-group": "block",

  "table-header-group": "block",

  "table-footer-group": "block",

  "table-row": "block",

  "table-cell": "block",

  "table-caption": "block",

  "inline-block": "block",

  "block ruby": "block ruby",

  "ruby": "block ruby",

  "ruby-base": "block",

  "ruby-base-container": "block",

  "ruby-text": "block",

  "ruby-text-container": "block",

  "flex": "flex",

  "grid": "grid",

  "none": "none",

  "table": "table",

  "inline-grid": "grid",

  "inline-flex": "flex",

  "inline-table": "table",

  "block": "block",

  "contents": "contents",

  "flow-root": "flow-root",

  // Note: this is sometimes block

  "list-item": "list-item",

  "inline list-item": "list-item",

  "inline flow-root list-item": "list-item",

};

function test_display_value(val)

  var floatLeftElem = document.getElementById("float-left");

  floatLeftElem.style.display = val;

  var floatLeftConversion = window.getComputedStyle(floatLeftElem).display;

  floatLeftElem.style.display = "";

  var floatRightElem = document.getElementById("float-right");

  floatRightElem.style.display = val;

  var floatRightConversion = window.getComputedStyle(floatRightElem).display;

  floatRightElem.style.display = "";

  var posAbsoluteElem = document.getElementById("position-absolute");

  posAbsoluteElem.style.display = val;

  var posAbsoluteConversion = window.getComputedStyle(posAbsoluteElem).display;

  posAbsoluteElem.style.display = "";

  var posFixedElem = document.getElementById("position-fixed");

  posFixedElem.style.display = val;

  var posFixedConversion = window.getComputedStyle(posFixedElem).display;

  posFixedElem.style.display = "";

  if (mapping[val]) {

    is(floatLeftConversion, mapping[val],

        "Element display should be converted when floated left");

    is(floatRightConversion, mapping[val],

        "Element display should be converted when floated right");

    is(posAbsoluteConversion, mapping[val],

        "Element display should be converted when absolutely positioned");

    is(posFixedConversion, mapping[val],

        "Element display should be converted when fixed positioned");

  } else {

    ok(false, "missing rules for display value " + val);

var displayInfo = gCSSProperties.display;

displayInfo.initial_values.forEach(test_display_value);

displayInfo.other_values.forEach(test_display_value);

</script>

</pre>

</body>

</html>