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Side by Side Diff: third_party/WebKit/LayoutTests/intersection-observer/same-document-zero-size-target.html

Issue 2560253004: IntersectionObserver: convert tests to testharness.js (Closed)
Patch Set: rebase Created 4 years ago
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« third_party/WebKit/LayoutTests/intersection-observer/client-rect.html ('K') | « third_party/WebKit/LayoutTests/intersection-observer/same-document-root-expected.txt ('k') | third_party/WebKit/LayoutTests/intersection-observer/same-document-zero-size-target-expected.txt » ('j') | no next file with comments »
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <script src="../resources/js-test.js"></script> 2 <script src="../resources/testharness.js"></script>
3 <script src="../resources/intersection-observer-helper-functions.js"></script> 3 <script src="../resources/testharnessreport.js"></script>
4 <div style="width:100%; height:700px;"></div> 4
5 <div id="leading-space" style="width:100%; height:700px;"></div>
5 <div id="target" style="background-color: green; width:0px; height:0px"></div> 6 <div id="target" style="background-color: green; width:0px; height:0px"></div>
6 <div style="width:100%; height:700px;"></div> 7 <div id="trailing-space" style="width:100%; height:700px;"></div>
7 8
8 <script> 9 <script>
9 description("Intersection observer test with zero-size target element."); 10 function waitForNotification(f) {
10 var target = document.getElementById("target"); 11 requestAnimationFrame(() => {
11 var entries = []; 12 setTimeout(() => {
12 var observer = new IntersectionObserver(changes => { entries = entries.concat(ch anges) }, {}); 13 setTimeout(f);
14 });
15 });
16 }
13 17
14 onload = function() { 18 onload = function() {
19 var t = async_test("Intersection observer test with zero-size target element." );
20
21 test(function() { assert_equals(window.innerWidth, 800) }, "Window must be 800 pixels wide.");
22 test(function() { assert_equals(window.innerHeight, 600) }, "Window must be 60 0 pixels high.");
23
24 var target = document.getElementById("target");
25 var entries = [];
26 var observer = new IntersectionObserver(function(changes) {
27 entries = entries.concat(changes)
28 });
15 observer.observe(target); 29 observer.observe(target);
16 entries.push(...observer.takeRecords()); 30 entries = entries.concat(observer.takeRecords());
17 shouldBeEqualToNumber("entries.length", 0); 31 test(function() { assert_equals(entries.length, 0) }, "No initial notification s.");
18 document.scrollingElement.scrollTop = 300; 32 waitForNotification(step0);
19 waitForNotification(step1); 33
34 function checkEntry(i, expected) {
35 test(function() { assert_equals(entries.length, i+1) }, String(i+1) + " noti fication(s).");
36 if (expected && entries.length > i) {
37 test(function() { assert_equals(entries[i].boundingClientRect.left, expect ed[0]) },
38 "entries[" + i + "].boundingClientRect.left == " + expected[0]);
39 test(function() { assert_equals(entries[i].boundingClientRect.right, expec ted[1]) },
40 "entries[" + i + "].boundingClientRect.right == " + expected[1]);
41 test(function() { assert_equals(entries[i].boundingClientRect.top, expecte d[2]) },
42 "entries[" + i + "].boundingClientRect.top == " + expected[2]);
43 test(function() { assert_equals(entries[i].boundingClientRect.bottom, expe cted[3]) },
44 "entries[" + i + "].boundingClientRect.bottom == " + expected[3]);
45 test(function() { assert_equals(entries[i].intersectionRect.left, expected [4]) },
46 "entries[" + i + "].intersectionRect.left == " + expected[4]);
47 test(function() { assert_equals(entries[i].intersectionRect.right, expecte d[5]) },
48 "entries[" + i + "].intersectionRect.right == " + expected[5]);
49 test(function() { assert_equals(entries[i].intersectionRect.top, expected[ 6]) },
50 "entries[" + i + "].intersectionRect.top == " + expected[6]);
51 test(function() { assert_equals(entries[i].intersectionRect.bottom, expect ed[7]) },
52 "entries[" + i + "].intersectionRect.bottom == " + expected[7]);
53 test(function() { assert_equals(entries[i].rootBounds.left, expected[8]) } ,
54 "entries[" + i + "].rootBounds.left == " + expected[8]);
55 test(function() { assert_equals(entries[i].rootBounds.right, expected[9]) },
56 "entries[" + i + "].rootBounds.right == " + expected[9]);
57 test(function() { assert_equals(entries[i].rootBounds.top, expected[10]) } ,
58 "entries[" + i + "].rootBounds.top == " + expected[10]);
59 test(function() { assert_equals(entries[i].rootBounds.bottom, expected[11] ) },
60 "entries[" + i + "].rootBounds.bottom == " + expected[11]);
61 test(function() { assert_true(entries[i].target === expected[12]) },
62 "entries[" + i + "].target === " + expected[12]);
63 }
64 }
65
66 function step0() {
67 test(function() { assert_equals(entries.length, 0) }, "No notifications afte r first rAF.");
68 document.scrollingElement.scrollTop = 300;
69 waitForNotification(step1);
70 }
71
72 function step1() {
73 checkEntry(0, [8, 8, 408, 408, 8, 8, 408, 408, 0, 785, 0, 600, target]);
74 document.scrollingElement.scrollTop = 100;
75 waitForNotification(step2);
76 }
77
78 function step2() {
79 checkEntry(1, [8, 8, 608, 608, 0, 0, 0, 0, 0, 785, 0, 600, target]);
80 document.getElementById("leading-space").style.height = "";
81 document.getElementById("trailing-space").style.height = "";
82 document.scrollingElement.scrollTop = 0;
83 t.done();
84 }
20 }; 85 };
21
22 function step1() {
23 shouldBeEqualToNumber("entries.length", 1);
24 if (entries.length > 0) {
25 shouldBeEqualToNumber("entries[0].boundingClientRect.left", 8);
26 shouldBeEqualToNumber("entries[0].boundingClientRect.right", 8);
27 shouldBeEqualToNumber("entries[0].boundingClientRect.top", 408);
28 shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 408);
29 shouldBeEqualToNumber("entries[0].intersectionRect.left", 8);
30 shouldBeEqualToNumber("entries[0].intersectionRect.right", 8);
31 shouldBeEqualToNumber("entries[0].intersectionRect.top", 408);
32 shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 408);
33 shouldBeEqualToNumber("entries[0].rootBounds.left", 0);
34 shouldBeEqualToNumber("entries[0].rootBounds.right", 785);
35 shouldBeEqualToNumber("entries[0].rootBounds.top", 0);
36 shouldBeEqualToNumber("entries[0].rootBounds.bottom", 600);
37 shouldEvaluateToSameObject("entries[0].target", target);
38
39 // ClientRect members of IntersectionObserverEntry should be stable.
40 shouldEvaluateToSameObject("entries[0].boundingClientRect", entries[0].bound ingClientRect);
41 shouldEvaluateToSameObject("entries[0].intersectionRect", entries[0].interse ctionRect);
42 shouldEvaluateToSameObject("entries[0].rootBounds", entries[0].rootBounds);
43 }
44 document.scrollingElement.scrollTop = 100;
45 waitForNotification(step2);
46 }
47
48 function step2() {
49 shouldBeEqualToNumber("entries.length", 2);
50 if (entries.length > 1) {
51 shouldBeEqualToNumber("entries[1].boundingClientRect.left", 8);
52 shouldBeEqualToNumber("entries[1].boundingClientRect.right", 8);
53 shouldBeEqualToNumber("entries[1].boundingClientRect.top", 608);
54 shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 608);
55 shouldBeEqualToNumber("entries[1].intersectionRect.left", 0);
56 shouldBeEqualToNumber("entries[1].intersectionRect.right", 0);
57 shouldBeEqualToNumber("entries[1].intersectionRect.top", 0);
58 shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0);
59 shouldBeEqualToNumber("entries[1].rootBounds.left", 0);
60 shouldBeEqualToNumber("entries[1].rootBounds.right", 785);
61 shouldBeEqualToNumber("entries[1].rootBounds.top", 0);
62 shouldBeEqualToNumber("entries[1].rootBounds.bottom", 600);
63 shouldEvaluateToSameObject("entries[1].target", target);
64 }
65 finishJSTest();
66 document.scrollingElement.scrollTop = 0;
67 }
68 </script> 86 </script>
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« third_party/WebKit/LayoutTests/intersection-observer/client-rect.html ('K') | « third_party/WebKit/LayoutTests/intersection-observer/same-document-root-expected.txt ('k') | third_party/WebKit/LayoutTests/intersection-observer/same-document-zero-size-target-expected.txt » ('j') | no next file with comments »

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