| <!DOCTYPE html> |
| <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; |
| } |
| #iframe { |
| width: 100px; |
| height: 100px; |
| border: 0; |
| margin-bottom: 10px; |
| } |
| #occluder { |
| width: 100px; |
| height: 100px; |
| background-color: blue; |
| position: relative; |
| } |
| </style> |
| |
| <iframe id="iframe" src="../resources/scaled-target-subframe.html"></iframe> |
| <div id="occluder"></div> |
| |
| <script> |
| async_test(function(t) { |
| let iframe = document.getElementById("iframe"); |
| |
| function step0(event) { |
| assert_equals(event.data, ""); |
| } |
| |
| function step1(event) { |
| iframe.style.transform = "scale(2)"; |
| assert_equals(JSON.stringify(event.data), |
| JSON.stringify([true])); |
| } |
| |
| function step2(event) { |
| assert_equals(JSON.stringify(event.data), |
| JSON.stringify([false])); |
| } |
| |
| let steps = [step0, step1, step2]; |
| |
| window.addEventListener("message", event => { |
| if (steps.length) { |
| t.step(steps.shift(), t, event); |
| waitForFrame(t, () => { |
| iframe.contentWindow.postMessage("", "*") |
| }); |
| } else { |
| t.done(); |
| } |
| }); |
| |
| }, "IntersectionObserver V2 test with scale applied to target."); |
| </script> |
