third_party/WebKit/LayoutTests/fast/css/invalidation/sheet-ruleset-invalidation.html - Issue 2700943003: Invalidate custom pseudo elements for RuleSet invalidations.

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Issue 2700943003: Invalidate custom pseudo elements for RuleSet invalidations. (Closed)

Patch Set: Created 3 years, 10 months ago

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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></style>	4 <style></style>

5 <div>	5 <div>

6 <div></div>	6 <div></div>

7 <div></div>	7 <div></div>

8 <div></div>	8 <div></div>

9 <div></div>	9 <div></div>

10 <div></div>	10 <div></div>

11 <div id="found">	11 <div id="found">

12 <div></div>	12 <div></div>

13 </div>	13 </div>

14 <span></span>	14 <span></span>

15 </div>	15 </div>

	16 <div id="placeholderWrapper">

	17 <textarea placeholder="Placeholder text"></textarea>

	18 </div>

	19 <textarea placeholder="Placeholder text"></textarea>

16 <script>	20 <script>

17 test(() => {	21 test(() => {

18 assert_true(!!window.internals, "Tests require window.internals.");	22 assert_true(!!window.internals, "Tests require window.internals.");

19 }, "Test for prerequisites.");	23 }, "Test for prerequisites.");

20	24

21 function applyRuleAndReturnAffectedElementCount(ruleString) {	25 function applyRuleAndReturnAffectedElementCount(ruleString) {

22 document.body.offsetTop;	26 document.body.offsetTop;

23 document.styleSheets[0].insertRule(ruleString, 0);	27 document.styleSheets[0].insertRule(ruleString, 0);

24 var recalcCount = internals.updateStyleAndReturnAffectedElementCount();	28 var recalcCount = internals.updateStyleAndReturnAffectedElementCount();

25 document.styleSheets[0].removeRule();	29 document.styleSheets[0].removeRule();

(...skipping 10 matching lines...) Expand all Loading...
36 assert_equals(applyRuleAndReturnAffectedElementCount(	40 assert_equals(applyRuleAndReturnAffectedElementCount(

37 "#notfound div { background: red }"), 0,	41 "#notfound div { background: red }"), 0,

38 "Check that none of divs are recalculated.");	42 "Check that none of divs are recalculated.");

39 }, "A type selector scoped in an unknown id should not invalidate any elemen ts.");	43 }, "A type selector scoped in an unknown id should not invalidate any elemen ts.");

40	44

41 test(() => {	45 test(() => {

42 assert_equals(applyRuleAndReturnAffectedElementCount(	46 assert_equals(applyRuleAndReturnAffectedElementCount(

43 "#found div { background: red }"), 1,	47 "#found div { background: red }"), 1,

44 "Check that only one of the divs is recalculated.");	48 "Check that only one of the divs is recalculated.");

45 }, "A type selector scoped by a known id should only invalidate descendants of the element with that id.");	49 }, "A type selector scoped by a known id should only invalidate descendants of the element with that id.");

	50

	51 test(() => {

	52 assert_equals(applyRuleAndReturnAffectedElementCount(

	53 "::-webkit-input-placeholder { background: green }"), 2,

	54 "Check that only custom pseudo elements are recalculated.");

	55 }, "A style rule with a custom pseudo element should only invalidate custom pseudo elements.");

	56

	57 test(() => {

	58 assert_equals(applyRuleAndReturnAffectedElementCount(

	59 "#notfound ::-webkit-input-placeholder { background: green }"), 0,

	60 "Check that no elements are recalculated.");

	61 }, "A custom pseudo element scoped in an unknown id should not invalidate an y elements.");

	62

	63 test(() => {

	64 assert_equals(applyRuleAndReturnAffectedElementCount(

	65 "#placeholderWrapper ::-webkit-input-placeholder { background: green }"), 1,

	66 "Check that only the scoped custom pseudo element is recalculated.") ;

	67 }, "A custom pseudo element scoped in a known id should only invalidate desc endants of the element with that id.");

46 </script>	68 </script>

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