Test style update caused by changes the positional property "first-child" on a sibling. This test does not use any sibling "~" combinator to avoid its more generic marking.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


The initial state has <foo> in first position, it should match.
PASS getComputedStyle(document.getElementById("bar-with-renderer")).backgroundColor is "rgb(1, 2, 3)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).backgroundColor is "rgb(1, 2, 3)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).color is "rgb(4, 5, 6)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).color is "rgb(4, 5, 6)"
Adding an element as first child should clear the style.
PASS getComputedStyle(document.getElementById("bar-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).color is "rgb(0, 0, 0)"
Removing that first element put back the style.
PASS getComputedStyle(document.getElementById("bar-with-renderer")).backgroundColor is "rgb(1, 2, 3)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).backgroundColor is "rgb(1, 2, 3)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).color is "rgb(4, 5, 6)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).color is "rgb(4, 5, 6)"
Removing <foo> should clear the style.
PASS getComputedStyle(document.getElementById("bar-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).backgroundColor is "rgb(255, 255, 255)"
PASS getComputedStyle(document.getElementById("bar-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-with-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("bar-without-renderer")).color is "rgb(0, 0, 0)"
PASS getComputedStyle(document.getElementById("baz-without-renderer")).color is "rgb(0, 0, 0)"
PASS successfullyParsed is true

TEST COMPLETE