third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html - Issue 2645283008: IntersectionObserver: Always send an initial notification.

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Side by Side Diff: third_party/WebKit/LayoutTests/intersection-observer/resources/observer-in-iframe-subframe.html

Issue 2645283008: IntersectionObserver: Always send an initial notification. (Closed)

Patch Set: Fix unit test 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="./intersection-observer-test-utils.js"></script>	4 <script src="./intersection-observer-test-utils.js"></script>

5	5

6 <style>	6 <style>

7 #root {	7 #root {

8 width: 200px;	8 width: 200px;

9 height: 200px;	9 height: 200px;

10 }	10 }

(...skipping 38 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
49 }, {root: root});	49 }, {root: root});

50 observer.observe(target);	50 observer.observe(target);

51 entries = entries.concat(observer.takeRecords());	51 entries = entries.concat(observer.takeRecords());

52 assert_equals(entries.length, 0, "No initial notifications.")	52 assert_equals(entries.length, 0, "No initial notifications.")

53 runTestCycle(step1, "First rAF.");	53 runTestCycle(step1, "First rAF.");

54 }, "IntersectionObserver in iframe with explicit root.");	54 }, "IntersectionObserver in iframe with explicit root.");

55	55

56 function step1() {	56 function step1() {

57 scroller.scrollTop = 250;	57 scroller.scrollTop = 250;

58 runTestCycle(step2, "scroller.scrollTop = 250");	58 runTestCycle(step2, "scroller.scrollTop = 250");

59 assert_equals(entries.length, 0, "No notifications after first rAF.");	59 checkLastEntry(entries, 0, [8, 108, 308, 408, 0, 0, 0, 0, 8, 208, 8, 208, targ et]);

60 }	60 }

61	61

62 function step2() {	62 function step2() {

63 checkLastEntry(entries, 0, [8, 108, 58, 158, 8, 108, 58, 158, 8, 208, 8, 208, target]);	63 checkLastEntry(entries, 1, [8, 108, 58, 158, 8, 108, 58, 158, 8, 208, 8, 208, target]);

64 }	64 }

65 </script>	65 </script>

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