| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <style> |
| /* Dummy rule for increasing max-direct-adjacent */ |
| .x + .x + .x + .x { color: red } |
| |
| span, .p + .r { color: green } |
| .a + .d, .b + .c, .r { color: red } |
| </style> |
| <div id="insertTest"> |
| <span class="a"></span> |
| <span class="b"></span> |
| <span class="c"></span> |
| <span class="d"></span> |
| </div> |
| <div id="removeTest"> |
| <span class="a"></span> |
| <span class="a2"></span> |
| <span class="b"></span> |
| <span class="c"></span> |
| <span class="d"></span> |
| </div> |
| <div id="removeTest2"> |
| <span class="p"></span> |
| <span class="q"></span> |
| <span class="r"></span> |
| </div> |
| <script> |
| test(() => |
| assert_not_equals(window.internals, undefined, "Check that window.internals is defined.") |
| , "window.internals required for tests."); |
| |
| test(() => { |
| var c = insertTest.querySelector(".c"); |
| assert_equals(getComputedStyle(c).color, "rgb(255, 0, 0)", "Check that .c is initially red."); |
| |
| insertTest.insertBefore(document.createElement("span"), c); |
| |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 2, "Recalc for the inserted element and .c."); |
| assert_equals(getComputedStyle(c).color, "rgb(0, 128, 0)", "Check that .c is green after insertion."); |
| }, "Check that we don't invalidate too much on sibling insertion."); |
| |
| test(() => { |
| var c = removeTest.querySelector(".c"); |
| assert_equals(getComputedStyle(c).color, "rgb(255, 0, 0)", "Check that .c is initially red."); |
| |
| removeTest.querySelector(".b").remove(); |
| |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1, "Recalc for .c."); |
| assert_equals(getComputedStyle(c).color, "rgb(0, 128, 0)", "Check that .c is green after .b is removed."); |
| }, "Check that we don't invalidate too much on sibling removal."); |
| |
| test(() => { |
| var r = removeTest2.querySelector(".r"); |
| assert_equals(getComputedStyle(r).color, "rgb(255, 0, 0)", "Check that .r is initially red."); |
| |
| removeTest2.querySelector(".q").remove(); |
| |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1, "Recalc for .r"); |
| assert_equals(getComputedStyle(r).color, "rgb(0, 128, 0)", "Check that .r is green after .q is removed."); |
| }, "Check that we don't invalidate past removed element for sibling removal."); |
| </script> |
