| Index: third_party/WebKit/LayoutTests/intersection-observer/multiple-targets.html | 
| diff --git a/third_party/WebKit/LayoutTests/intersection-observer/multiple-targets.html b/third_party/WebKit/LayoutTests/intersection-observer/multiple-targets.html | 
| index 91b03e1c6f73a54d27028573c2604695b8f41389..6c75d6e6f0c1de685105d9cd7861e12a1151edfb 100644 | 
| --- a/third_party/WebKit/LayoutTests/intersection-observer/multiple-targets.html | 
| +++ b/third_party/WebKit/LayoutTests/intersection-observer/multiple-targets.html | 
| @@ -1,7 +1,17 @@ | 
| <!DOCTYPE html> | 
| -<script src="../resources/js-test.js"></script> | 
| -<script src="../resources/intersection-observer-helper-functions.js"></script> | 
| +<script src="../resources/testharness.js"></script> | 
| +<script src="../resources/testharnessreport.js"></script> | 
| +<script src="./resources/intersection-observer-test-utils.js"></script> | 
| + | 
| <style> | 
| +pre, #log { | 
| +  position: absolute; | 
| +  top: 0; | 
| +  left: 200px; | 
| +} | 
| +.spacer { | 
| +  height: 700px; | 
| +} | 
| .target { | 
| width: 100px; | 
| height: 100px; | 
| @@ -9,57 +19,62 @@ | 
| background-color: green; | 
| } | 
| </style> | 
| -<div style="width:100%; height:700px;"></div> | 
| + | 
| +<div class="spacer"></div> | 
| <div id="target1" class="target"></div> | 
| <div id="target2" class="target"></div> | 
| <div id="target3" class="target"></div> | 
|  | 
| <script> | 
| -description("Verify that notifications for multiple targets are sorted by the order in which observe() was called on each target."); | 
| -var target1 = document.getElementById("target1"); | 
| -var target2 = document.getElementById("target2"); | 
| -var target3 = document.getElementById("target3"); | 
| var entries = []; | 
| -var observer = new IntersectionObserver( | 
| -  changes => { entries.push(...changes); } | 
| -); | 
| +var target1, target2, target3; | 
| + | 
| +runTestCycle(function() { | 
| +  assert_equals(window.innerWidth, 800, "Window must be 800 pixels wide."); | 
| +  assert_equals(window.innerHeight, 600, "Window must be 600 pixels high."); | 
|  | 
| -onload = function() { | 
| +  target1 = document.getElementById("target1"); | 
| +  assert_true(!!target1, "target1 exists."); | 
| +  target2 = document.getElementById("target2"); | 
| +  assert_true(!!target2, "target2 exists."); | 
| +  target3 = document.getElementById("target3"); | 
| +  assert_true(!!target3, "target3 exists."); | 
| +  var observer = new IntersectionObserver(function(changes) { | 
| +    entries = entries.concat(changes) | 
| +  }); | 
| observer.observe(target1); | 
| observer.observe(target2); | 
| observer.observe(target3); | 
| entries = entries.concat(observer.takeRecords()); | 
| -  shouldBeEqualToNumber("entries.length", 0); | 
| +  assert_equals(entries.length, 0, "No initial notifications."); | 
| +  runTestCycle(step0, "No notifications after first rAF."); | 
| +}, "One observer with multiple targets."); | 
| + | 
| +function step0() { | 
| document.scrollingElement.scrollTop = 150; | 
| -  waitForNotification(step0); | 
| +  runTestCycle(step1, "document.scrollingElement.scrollTop = 150"); | 
| +  assert_equals(entries.length, 0, "No notifications."); | 
| } | 
|  | 
| -function step0() { | 
| -  shouldBeEqualToNumber("entries.length", 1); | 
| -  if (entries.length > 0) | 
| -    shouldBeEqualToString("entries[0].target.id", "target1"); | 
| +function step1() { | 
| document.scrollingElement.scrollTop = 10000; | 
| -  waitForNotification(step1); | 
| +  runTestCycle(step2, "document.scrollingElement.scrollTop = 10000"); | 
| +  assert_equals(entries.length, 1, "One notification."); | 
| +  assert_equals(entries[0].target, target1, "entries[0].target === target1"); | 
| } | 
|  | 
| -function step1() { | 
| -  shouldBeEqualToNumber("entries.length", 3); | 
| -  if (entries.length > 1) | 
| -    shouldBeEqualToString("entries[1].target.id", "target2"); | 
| -  if (entries.length > 2) | 
| -    shouldBeEqualToString("entries[2].target.id", "target3"); | 
| +function step2() { | 
| document.scrollingElement.scrollTop = 0; | 
| -  waitForNotification(step2); | 
| +  runTestCycle(step3, "document.scrollingElement.scrollTop = 0"); | 
| +  assert_equals(entries.length, 3, "Three notifications."); | 
| +  assert_equals(entries[1].target, target2, "entries[1].target === target2"); | 
| +  assert_equals(entries[2].target, target3, "entries[2].target === target3"); | 
| } | 
|  | 
| -function step2() { | 
| -  shouldBeEqualToNumber("entries.length", 6); | 
| -  if (entries.length > 3) | 
| -    shouldBeEqualToString("entries[3].target.id", "target1"); | 
| -  if (entries.length > 4) | 
| -    shouldBeEqualToString("entries[4].target.id", "target2"); | 
| -  if (entries.length > 5) | 
| -    shouldBeEqualToString("entries[5].target.id", "target3"); | 
| -  finishJSTest(); | 
| +function step3() { | 
| +  assert_equals(entries.length, 6, "Six notifications."); | 
| +  assert_equals(entries[3].target, target1, "entries[3].target === target1"); | 
| +  assert_equals(entries[4].target, target2, "entries[4].target === target2"); | 
| +  assert_equals(entries[5].target, target3, "entries[5].target === target3"); | 
| } | 
| </script> | 
|  |