62 lines
1.3 KiB
HTML
62 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../resources/intersection-observer-test-utils.js"></script>
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<style>
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pre, #log {
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position: absolute;
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top: 0;
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left: 200px;
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}
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#iframe {
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width: 100px;
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height: 100px;
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border: 0;
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margin-bottom: 10px;
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}
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#occluder {
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width: 100px;
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height: 100px;
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background-color: blue;
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position: relative;
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}
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</style>
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<iframe id="iframe" src="../resources/scaled-target-subframe.html"></iframe>
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<div id="occluder"></div>
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<script>
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async_test(function(t) {
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let iframe = document.getElementById("iframe");
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function step0(event) {
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assert_equals(event.data, "");
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}
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function step1(event) {
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iframe.style.transform = "scale(2)";
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assert_equals(JSON.stringify(event.data),
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JSON.stringify([true]));
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}
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function step2(event) {
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assert_equals(JSON.stringify(event.data),
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JSON.stringify([false]));
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}
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let steps = [step0, step1, step2];
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window.addEventListener("message", event => {
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if (steps.length) {
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t.step(steps.shift(), t, event);
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waitForFrame(t, () => {
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iframe.contentWindow.postMessage("", "*")
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});
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} else {
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t.done();
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}
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});
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}, "IntersectionObserver V2 test with scale applied to target.");
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</script>
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