third_party/WebKit/LayoutTests/http/tests/misc/scroll-cross-origin-iframes.html - Issue 2642723009: Improve cross-origin-subframe-for-scrolling layout test

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Issue 2642723009: Improve cross-origin-subframe-for-scrolling layout test (Closed)

Patch Set: Added an assert_unreached clause for invalid messages Created 3 years, 11 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

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

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

3 <iframe id="target-iframe1" src="http://localhost:8080/misc/resources/cross-orig in-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 50px"></iframe>	4 <iframe id="target-iframe1" src="http://localhost:8080/misc/resources/cross-orig in-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 50px"></iframe>

4 <iframe id="target-iframe2" src="http://localhost:8080/misc/resources/cross-orig in-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 200px"></iframe>	5 <iframe id="target-iframe2" src="http://localhost:8080/misc/resources/cross-orig in-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 200px"></iframe>

5	6

6 <script>	7 <script>

7 description("Verify that two sibling cross-origin iframes both correctly scroll on MouseWheel events, as per https://crbug.com/675695.");	8 var scroll_test = async_test("Verify that two sibling cross-origin iframes both correctly scroll on MouseWheel events, as per https://crbug.com/675695.");

8	9

9 // States:	10 var last_frame_scrolled;

10 // 0 => Scroll sent to iframe1

11 // 1 => Fetching scroll offset from iframe1

12 // 2 => Scroll sent to iframe2

13 // 3 => Fetching scroll offset from iframe2

14 var state = 0;

15 var iframe1 = document.getElementById("target-iframe1");	11 var iframe1 = document.getElementById("target-iframe1");

16 var iframe2 = document.getElementById("target-iframe2");	12 var iframe2 = document.getElementById("target-iframe2");

17 setPrintTestResultsLazily();

18 self.jsTestIsAsync = true;

19	13

20 function handleMessage(event) {	14 function handleMessage(event) {

21 if (state == 0) {	15 if (event.data.scrolled == 1 && last_frame_scrolled == 1) {

22 » iframe1.contentWindow.postMessage("", "*");	16 scroll_test.step(() => { assert_greater_than(event.data.scrollTop, 0, "ifram e1 scroll offset greater than 0.")} );

23 » state = 1;	17 last_frame_scrolled = 2;

24 } else if (state == 1) {	18 iframe2.contentWindow.postMessage({scrollBy: -1, frame_id: 2, left: iframe2. offsetLeft, top: iframe2.offsetTop}, "*");

25 shouldBeEqualToNumber("event.data.scrollTop", 40);	19 } else if (event.data.scrolled == 2) {

26 state = 2;	20 scroll_test.step(() => { assert_greater_than(event.data.scrollTop, 0, "ifram e2 scroll offset greater than 0.")} );

27 iframe2.contentWindow.postMessage({scrollBy: -1, left: iframe2.offsetLeft, t op: iframe2.offsetTop}, "*");	21 scroll_test.done();

28 iframe2.contentWindow.postMessage("", "*");	22 } else if (event.data.scrolled != 1){

29 } else if (state == 2) {	23 assert_unreached("Received invalid postMessage from subframe.");

30 » iframe1.contentWindow.postMessage("", "*");

31 » state = 3;

32 } else if (state == 3) {

33 shouldBeEqualToNumber("event.data.scrollTop", 40);

34 finishJSTest();

35 }	24 }

36 }	25 }

37	26

38 window.addEventListener("message", handleMessage);	27 window.addEventListener("message", handleMessage);

39	28

40 iframe1.onload = (() => {	29 iframe1.onload = (() => {

41 iframe1.contentWindow.postMessage({scrollBy: -1, left: iframe1.offsetLeft, top : iframe1.offsetTop}, "*");	30 last_frame_scrolled = 1;

	31 iframe1.contentWindow.postMessage({scrollBy: -1, frame_id: 1, left: iframe1.of fsetLeft, top: iframe1.offsetTop}, "*");

42 });	32 });

43	33

44 </script>	34 </script>

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