css3/flexbox/align-absolute-child.html

<style>
body {
    margin: 0;
}
.flexbox {
    display: -webkit-flex;
    background-color: green;
    height: 100px;
    width: 100px;
    margin: 10px;
}
.flexbox > * {
    -webkit-flex: none;
}
.align-center {
    -webkit-align-items: center;
}
.stretch {
    -webkit-align-items: stretch;
}
.relative {
    position: relative;
}
.flexbox > div {
    width: 20px;
    height: 20px;
}
.absolute {
    position: absolute;
}
#placed-absolute {
    top: 20px;
    left: 20px;
}

.horizontal-tb {
    -webkit-writing-mode: horizontal-tb;
}
.horizontal-bt {
    -webkit-writing-mode: horizontal-bt;
}
.vertical-rl {
    -webkit-writing-mode: vertical-rl;
}
.vertical-lr {
    -webkit-writing-mode: vertical-lr;
}

.row {
    -webkit-flex-flow: row;
}
.row-reverse {
    -webkit-flex-flow: row-reverse;
}
.column {
    -webkit-flex-flow: column;
}
.column-reverse {
    -webkit-flex-flow: column-reverse;
}

.rtl {
    direction: rtl;
}
.ltr {
    direction: ltr;
}

.wrap {
    -webkit-flex-wrap: wrap;
}

.wrap-reverse {
    -webkit-flex-wrap: wrap-reverse;
}

.flexbox :nth-child(1) {
    background-color: blue;
}
.flexbox :nth-child(2) {
    background-color: yellow;
}
.flexbox :nth-child(3) {
    background-color: salmon;
}
.flexbox :nth-child(4) {
    background-color: grey;
}
.flexbox :nth-child(5) {
    background-color: red;
}
.flexbox :nth-child(6) {
    background-color: orange;
}
.flexbox :nth-child(7) {
    background-color: purple;
}
</style>

<script src="../../fast/js/resources/js-test-pre.js"></script>
<script src="../../resources/check-layout.js"></script>

<body onload="checkLayout('.flexbox')">

<div class='flexbox relative align-center'>
    <div id='placed-absolute' class='absolute' data-offset-x=20 data-offset-y=20></div>
</div>

<div class='flexbox relative align-center'>
    <div data-offset-x=0 data-offset-y=40></div>
    <div class='absolute' data-offset-x=20 data-offset-y=0></div>
    <div data-offset-x=20 data-offset-y=40></div>
    <div class="absolute" style="top: 5px; left: 5px" data-offset-x=5 data-offset-y=5></div>
</div>

<div class="relative">
<div class='flexbox align-center'>
    <div data-offset-x=10 data-offset-y=40></div>
    <div class='absolute' data-offset-x=30 data-offset-y=0></div>
    <div data-offset-x=30 data-offset-y=40></div>
    <div class="absolute" style="top: 5px; left: 5px" data-offset-x=5 data-offset-y=5></div>
</div>
</div>

<div class='flexbox relative column rtl'>
    <div data-offset-x=80 data-offset-y=0></div>
    <div class='absolute' data-offset-x=80 data-offset-y=20></div>
    <div data-offset-x=80 data-offset-y=20></div>
    <div class="absolute" style="top: 5px; left: 5px" data-offset-x=5 data-offset-y=5></div>
</div>

<div class="relative">
<div class='flexbox wrap-reverse'>
    <div style="width:90px" data-offset-x=10 data-offset-y=80></div>
    <div class="absolute" data-offset-x=100 data-offset-y=100></div>
    <div data-offset-x=10 data-offset-y=30></div>
    <div class="absolute" data-offset-x=30 data-offset-y=50></div>
    <div data-offset-x=30 data-offset-y=30></div>
    <div class="absolute" data-offset-x=50 data-offset-y=50></div>
    <div class="absolute" style="top: 5px; left: 5px" data-offset-x=5 data-offset-y=5></div>
</div>
</div>

<div class='flexbox relative'>
    <div style="margin: auto;" data-offset-x=40 data-offset-y=40></div>
    <div class="absolute" style="margin: auto;" data-offset-x=100 data-offset-y=0></div>
    <div class="absolute" style="margin: auto;" data-offset-x=100 data-offset-y=0></div>
    <div class="absolute" style="margin: auto; top: 5px; left: 5px" data-offset-x=5 data-offset-y=5></div>
</div>

<div class='flexbox stretch relative'>
    <div style="height: auto" data-offset-x=0 data-offset-y=0 data-expected-height=100></div>
    <div class="absolute" style="height: auto" data-offset-x=20 data-offset-y=0 data-expected-height=0></div>
    <div class="absolute" style="height: auto; top: 5px; left: 5px" data-offset-x=5 data-offset-y=5 data-expected-height=0></div>
</div>

<div class="flexbox wrap relative">
  <div style="width: 100px;" data-offset-x=0 data-offset-y=0></div>
  <div class="absolute" data-offset-x=100 data-offset-y=0></div>
  <div style="width: 50px;" data-offset-x=0 data-offset-y=50></div>
  <div class="absolute" data-offset-x=50 data-offset-y=50></div>
  <div style="width: 50px;" data-offset-x=50 data-offset-y=50></div>
  <div class="absolute" data-offset-x=100 data-offset-y=50></div>
</div>

<div class="flexbox wrap relative" style="-webkit-align-items: flex-end">
  <div style="width: 100px;" data-offset-x=0 data-offset-y=30></div>
  <div class="absolute" data-offset-x=100 data-offset-y=0></div>
  <div style="width: 50px;" data-offset-x=0 data-offset-y=80></div>
  <div class="absolute" data-offset-x=50 data-offset-y=50></div>
  <div style="width: 50px;" data-offset-x=50 data-offset-y=80></div>
  <div class="absolute" data-offset-x=100 data-offset-y=50></div>
</div>


<script>
var absolute = document.getElementById('placed-absolute');
var beforePosition = absolute.getBoundingClientRect();
document.querySelector('.flexbox').style.height = '101px';
var afterPosition = absolute.getBoundingClientRect();

// Positioned element should not change position when the height of it's parent flexbox is changed.
for (key in beforePosition)
    shouldBe('beforePosition[key]', 'afterPosition[key]');
</script>
</body>