LayoutTests/css3/overwrite-content-alignment.html

<!DOCTYPE html>
<style>
.parent {
   display: -webkit-flex;
}
.parent .child {
   display: -webkit-flex;
   justify-content: unsafe flex-end;
   align-content: safe center;
}
#parentId .child {
   justify-content: space-between;
   align-content: space-around;
}
</style>
<script src="../resources/js-test.js"></script>
<div class="parent">
    <div id="childOfDefaultParent" class="child"></div>
</div>
<div id="parentId" class="parent">
    <div id="childOfParentId" class="child"></div>
</div>
<script src="resources/alignment-parsing-utils.js"></script>
<script>
description('Test overwriting justify-content and align-content works as expected');

var childOfDefaultParent = document.getElementById("childOfDefaultParent");
shouldBeEqualToString("getComputedStyle(childOfDefaultParent, '').getPropertyValue('justify-content')", "unsafe flex-end");
shouldBeEqualToString("getComputedStyle(childOfDefaultParent, '').getPropertyValue('align-content')", "safe center");

var childOfParentId = document.getElementById("childOfParentId");
shouldBeEqualToString("getComputedStyle(childOfParentId, '').getPropertyValue('justify-content')", "space-between");
shouldBeEqualToString("getComputedStyle(childOfParentId, '').getPropertyValue('align-content')", "space-around");
</script>