Chromium Code Reviews Chromium Code Reviews
Issue 2235723002:
Use invalidation sets for nth invalidations. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| OLD | NEW |
|---|---|
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <script src="../../../resources/testharness.js"></script> | 2 <script src="../../../resources/testharness.js"></script> |
| 3 <script src="../../../resources/testharnessreport.js"></script> | 3 <script src="../../../resources/testharnessreport.js"></script> |
| 4 <style> | 4 <style> |
| 5 #t1 > :nth-child(even) { | 5 #t1 > span:nth-child(even) { |
| 6 background-color: green | 6 background-color: green |
| 7 } | 7 } |
| 8 #t2 > :nth-last-child(even) { | 8 #t2 > span:nth-last-child(even) { |
| 9 background-color: green | |
| 10 } | |
| 11 #t3 > .second:nth-child(2) { | |
| 9 background-color: green | 12 background-color: green |
| 10 } | 13 } |
| 11 </style> | 14 </style> |
| 12 <div id="t1"> | 15 <div id="t1"> |
| 13 <span></span> | 16 <span></span> |
| 14 </div> | 17 </div> |
| 15 <div id="t2"> | 18 <div id="t2"> |
| 16 <span></span> | 19 <span></span> |
| 17 </div> | 20 </div> |
| 21 <div id="t3"> | |
| 22 <div class="second"></div> | |
| 23 <div></div> | |
| 24 <div></div> | |
| 25 <div></div> | |
| 26 </div> | |
| 18 | 27 |
| 19 <script> | 28 <script> |
| 20 function backgroundIsGreen(element) { | 29 function backgroundIsGreen(element) { |
| 21 assert_equals(getComputedStyle(element).backgroundColor, "rgb(0, 128, 0) "); | 30 assert_equals(getComputedStyle(element).backgroundColor, "rgb(0, 128, 0) "); |
| 22 } | 31 } |
| 23 | 32 |
| 24 function backgroundIsTransparent(element) { | 33 function backgroundIsTransparent(element) { |
| 25 assert_equals(getComputedStyle(element).backgroundColor, "rgba(0, 0, 0, 0)"); | 34 assert_equals(getComputedStyle(element).backgroundColor, "rgba(0, 0, 0, 0)"); |
| 26 } | 35 } |
| 27 | 36 |
| 28 test(() => { | 37 test(() => { |
| 29 t1.offsetTop; | 38 t1.offsetTop; |
| 30 assert_equals(t1.lastChild.nodeType, Node.TEXT_NODE); | 39 assert_equals(t1.lastChild.nodeType, Node.TEXT_NODE); |
| 31 t1.insertBefore(document.createElement("span"), t1.lastChild); | 40 t1.insertBefore(document.createElement("span"), t1.lastChild); |
| 32 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1); | 41 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1); |
| 33 }, "Appending an element sibling should not affect :nth-child of preceeding siblings."); | 42 }, "Appending an element sibling should not affect :nth-child of preceeding siblings."); |
| 34 | 43 |
| 35 test(() => { | 44 test(() => { |
| 36 t2.offsetTop; | 45 t2.offsetTop; |
| 37 assert_equals(t2.firstChild.nodeType, Node.TEXT_NODE); | 46 assert_equals(t2.firstChild.nodeType, Node.TEXT_NODE); |
| 38 assert_equals(t2.firstChild.nextSibling.nodeType, Node.ELEMENT_NODE); | 47 assert_equals(t2.firstChild.nextSibling.nodeType, Node.ELEMENT_NODE); |
| 39 t2.insertBefore(document.createElement("span"), t2.firstChild.nextSiblin g); | 48 t2.insertBefore(document.createElement("span"), t2.firstChild.nextSiblin g); |
| 40 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1); | 49 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1); |
| 41 }, "Prepending an element sibling should not affect :nth-last-child of succe eding siblings."); | 50 }, "Prepending an element sibling should not affect :nth-last-child of succe eding siblings."); |
| 42 | 51 |
| 52 test(() => { | |
| 53 t3.offsetTop; | |
| 54 let second = t3.querySelector(".second"); | |
| 55 backgroundIsTransparent(second); | |
| 56 t3.insertBefore(document.createElement("div"), t3.firstChild); | |
| 57 assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 2); | |
| 58 backgroundIsGreen(second); | |
| 59 }, "Prepending an element sibling should not affect :nth-last-child of succe eding siblings."); | |
|
Eric Willigers
2016/08/13 01:00:04
This test is about nth-child.
| |
| 60 | |
| 43 </script> | 61 </script> |
| OLD | NEW |
