third_party/WebKit/LayoutTests/resources/intersection-observer-in-iframe.html - Issue 2560253004: IntersectionObserver: convert tests to testharness.js

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Issue 2560253004: IntersectionObserver: convert tests to testharness.js (Closed)

Patch Set: Address comments Created 3 years, 11 months ago

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1 <!DOCTYPE html>

2 <script src="../resources/testharness.js"></script>

3 <script src="../resources/testharnessreport.js"></script>

4 <script src="../resources/intersection-observer-helper-functions.js"></script>

5

6 <div style="height: 200px; width: 100px;"></div>

7 <div id="target" style="background-color: green; width:100px; height:100px"></di v>

8 <div style="height: 200px; width: 100px;"></div>

9

10 <script>

11 setup({message_events: [], output_document: window.parent.document});

12 onload = function() {

13 var entries = [];

14 var observer = new IntersectionObserver(function(changes) { entries = entries. concat(changes) }, {});

15 var target = document.getElementById("target");

16 var scroller = document.scrollingElement;

17 observer.observe(target);

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

19 var t = async_test("IntersectionObserver in iframe with explicit root.");

20 test(function() { assert_equals(entries.length, 0) }, "No initial notification s.")

21 waitForNotification(t.step_func(step1));

22

23 function step1() {

24 test(function() { assert_equals(entries.length, 0) }, "No notifications afte r first rAF.");

25 scroller.scrollTop = 250;

26 waitForNotification(t.step_func(step2));

27 }

28

29 function step2() {

30 test(function() { assert_equals(entries.length, 1) }, "One notification.");

31 if (entries.length) {

32 test(function() { assert_equals(entries[0].boundingClientRect.left, 8) }, "entries[0].boundingClientRect.left");

33 test(function() { assert_equals(entries[0].boundingClientRect.right, 108) }, "entries[0].boundingClientRect.right");

34 test(function() { assert_equals(entries[0].boundingClientRect.top, -42) }, "entries[0].boundingClientRect.top");

35 test(function() { assert_equals(entries[0].boundingClientRect.bottom, 58) }, "entries[0].boundingClientRect.bottom");

36 test(function() { assert_equals(entries[0].intersectionRect.left, 8) }, "e ntries[0].intersectionRect.left");

37 test(function() { assert_equals(entries[0].intersectionRect.right, 108) }, "entries[0].intersectionRect.right");

38 test(function() { assert_equals(entries[0].intersectionRect.top, 0) }, "en tries[0].intersectionRect.top");

39 test(function() { assert_equals(entries[0].intersectionRect.bottom, 58) }, "entries[0].intersectionRect.bottom");

40 test(function() { assert_equals(entries[0].rootBounds.left, 0) }, "entries [0].rootBounds.left");

41 test(function() { assert_equals(entries[0].rootBounds.right, 800) }, "entr ies[0].rootBounds.right");

42 test(function() { assert_equals(entries[0].rootBounds.top, 0) }, "entries[ 0].rootBounds.top");

43 test(function() { assert_equals(entries[0].rootBounds.bottom, 600) }, "ent ries[0].rootBounds.bottom");

44 test(function() { assert_true(entries[0].target === target) }, "entries[0] .target object identity");

45 }

46 t.done();

47 }

48 };

49 </script>

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