third_party/WebKit/LayoutTests/intersection-observer/observer-without-js-reference.html - Issue 2645283008: IntersectionObserver: Always send an initial notification.

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Issue 2645283008: IntersectionObserver: Always send an initial notification. (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 <script src="./resources/intersection-observer-test-utils.js"></script>	4 <script src="./resources/intersection-observer-test-utils.js"></script>

5	5

6 <style>	6 <style>

7 pre, #log {	7 pre, #log {

8 position: absolute;	8 position: absolute;

9 top: 0;	9 top: 0;

10 left: 200px;	10 left: 200px;

(...skipping 25 matching lines...) Expand all Loading...
36 entries = entries.concat(changes)	36 entries = entries.concat(changes)

37 }).observe(target);	37 }).observe(target);

38 }	38 }

39 createObserver();	39 createObserver();

40 runTestCycle(step0, "First rAF");	40 runTestCycle(step0, "First rAF");

41 }, "IntersectionObserver that is unreachable in js should still generate notific ations.");	41 }, "IntersectionObserver that is unreachable in js should still generate notific ations.");

42	42

43 function step0() {	43 function step0() {

44 document.scrollingElement.scrollTop = 300;	44 document.scrollingElement.scrollTop = 300;

45 runTestCycle(step1, "document.scrollingElement.scrollTop = 300");	45 runTestCycle(step1, "document.scrollingElement.scrollTop = 300");

46 assert_equals(entries.length, 0, "No notifications after first rAF.");	46 assert_equals(entries.length, 1, "One notification.");

47 }	47 }

48	48

49 function step1() {	49 function step1() {

50 document.scrollingElement.scrollTop = 0;	50 document.scrollingElement.scrollTop = 0;

51 assert_equals(entries.length, 1, "One notification.");	51 assert_equals(entries.length, 2, "Two notifications.");

52 }	52 }

53 </script>	53 </script>

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