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<!DOCTYPE html>
<script src="../resources/js-test.js"></script>
<script src="helper-functions.js"></script>
<div style="width:100%; height:700px;"></div>
<div id="target" style="background-color: green; width:100px; height:100px"></div>
<div style="width:100%; height:700px;"></div>
<script>
description("Intersection observer test with multiple thresholds.");
var target = document.getElementById("target");
var entries = [];
observer_callback = function(changes) {
for (var i in changes)
entries.push(changes[i]);
};
var observer = new IntersectionObserver(observer_callback, {
threshold: [0, 0.25, 0.5, 0.75, 1]
});
observer.observe(target);
function step0() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 0);
document.scrollingElement.scrollTop = 120;
requestAnimationFrame(step1);
});
}
function step1() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 1);
shouldBeEqualToNumber("entries[0].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[0].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[0].boundingClientRect.top", 588);
shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 688);
shouldBeEqualToNumber("entries[0].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[0].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[0].intersectionRect.top", 588);
shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 600);
shouldBeEqualToNumber("entries[0].rootBounds.left", 0);
shouldBeEqualToNumber("entries[0].rootBounds.right", 785);
shouldBeEqualToNumber("entries[0].rootBounds.top", 0);
shouldBeEqualToNumber("entries[0].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[0].target", target);
document.scrollingElement.scrollTop = 160;
requestAnimationFrame(step2);
});
}
function step2() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 2);
shouldBeEqualToNumber("entries[1].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[1].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[1].boundingClientRect.top", 548);
shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", 648);
shouldBeEqualToNumber("entries[1].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[1].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[1].intersectionRect.top", 548);
shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 600);
shouldBeEqualToNumber("entries[1].rootBounds.left", 0);
shouldBeEqualToNumber("entries[1].rootBounds.right", 785);
shouldBeEqualToNumber("entries[1].rootBounds.top", 0);
shouldBeEqualToNumber("entries[1].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[1].target", target);
document.scrollingElement.scrollTop = 200;
requestAnimationFrame(step3);
});
}
function step3() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 3);
shouldBeEqualToNumber("entries[2].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[2].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[2].boundingClientRect.top", 508);
shouldBeEqualToNumber("entries[2].boundingClientRect.bottom", 608);
shouldBeEqualToNumber("entries[2].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[2].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[2].intersectionRect.top", 508);
shouldBeEqualToNumber("entries[2].intersectionRect.bottom", 600);
shouldBeEqualToNumber("entries[2].rootBounds.left", 0);
shouldBeEqualToNumber("entries[2].rootBounds.right", 785);
shouldBeEqualToNumber("entries[2].rootBounds.top", 0);
shouldBeEqualToNumber("entries[2].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[2].target", target);
document.scrollingElement.scrollTop = 240;
requestAnimationFrame(step4);
});
}
function step4() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 4);
shouldBeEqualToNumber("entries[3].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[3].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[3].boundingClientRect.top", 468);
shouldBeEqualToNumber("entries[3].boundingClientRect.bottom", 568);
shouldBeEqualToNumber("entries[3].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[3].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[3].intersectionRect.top", 468);
shouldBeEqualToNumber("entries[3].intersectionRect.bottom", 568);
shouldBeEqualToNumber("entries[3].rootBounds.left", 0);
shouldBeEqualToNumber("entries[3].rootBounds.right", 785);
shouldBeEqualToNumber("entries[3].rootBounds.top", 0);
shouldBeEqualToNumber("entries[3].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[3].target", target);
document.scrollingElement.scrollTop = 740;
requestAnimationFrame(step5);
});
}
function step5() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 5);
shouldBeEqualToNumber("entries[4].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[4].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[4].boundingClientRect.top", -32);
shouldBeEqualToNumber("entries[4].boundingClientRect.bottom", 68);
shouldBeEqualToNumber("entries[4].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[4].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[4].intersectionRect.top", 0);
shouldBeEqualToNumber("entries[4].intersectionRect.bottom", 68);
shouldBeEqualToNumber("entries[4].rootBounds.left", 0);
shouldBeEqualToNumber("entries[4].rootBounds.right", 785);
shouldBeEqualToNumber("entries[4].rootBounds.top", 0);
shouldBeEqualToNumber("entries[4].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[4].target", target);
document.scrollingElement.scrollTop = 760;
requestAnimationFrame(step6);
});
}
function step6() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 6);
shouldBeEqualToNumber("entries[5].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[5].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[5].boundingClientRect.top", -52);
shouldBeEqualToNumber("entries[5].boundingClientRect.bottom", 48);
shouldBeEqualToNumber("entries[5].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[5].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[5].intersectionRect.top", 0);
shouldBeEqualToNumber("entries[5].intersectionRect.bottom", 48);
shouldBeEqualToNumber("entries[5].rootBounds.left", 0);
shouldBeEqualToNumber("entries[5].rootBounds.right", 785);
shouldBeEqualToNumber("entries[5].rootBounds.top", 0);
shouldBeEqualToNumber("entries[5].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[5].target", target);
document.scrollingElement.scrollTop = 800;
requestAnimationFrame(step7);
});
}
function step7() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 7);
shouldBeEqualToNumber("entries[6].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[6].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[6].boundingClientRect.top", -92);
shouldBeEqualToNumber("entries[6].boundingClientRect.bottom", 8);
shouldBeEqualToNumber("entries[6].intersectionRect.left", 8);
shouldBeEqualToNumber("entries[6].intersectionRect.right", 108);
shouldBeEqualToNumber("entries[6].intersectionRect.top", 0);
shouldBeEqualToNumber("entries[6].intersectionRect.bottom", 8);
shouldBeEqualToNumber("entries[6].rootBounds.left", 0);
shouldBeEqualToNumber("entries[6].rootBounds.right", 785);
shouldBeEqualToNumber("entries[6].rootBounds.top", 0);
shouldBeEqualToNumber("entries[6].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[6].target", target);
document.scrollingElement.scrollTop = 820;
requestAnimationFrame(step8);
});
}
function step8() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 8);
shouldBeEqualToNumber("entries[7].boundingClientRect.left", 8);
shouldBeEqualToNumber("entries[7].boundingClientRect.right", 108);
shouldBeEqualToNumber("entries[7].boundingClientRect.top", -112);
shouldBeEqualToNumber("entries[7].boundingClientRect.bottom", -12);
shouldBeEqualToNumber("entries[7].intersectionRect.left", 0);
shouldBeEqualToNumber("entries[7].intersectionRect.right", 0);
shouldBeEqualToNumber("entries[7].intersectionRect.top", 0);
shouldBeEqualToNumber("entries[7].intersectionRect.bottom", 0);
shouldBeEqualToNumber("entries[7].rootBounds.left", 0);
shouldBeEqualToNumber("entries[7].rootBounds.right", 785);
shouldBeEqualToNumber("entries[7].rootBounds.top", 0);
shouldBeEqualToNumber("entries[7].rootBounds.bottom", 600);
shouldEvaluateToSameObject("entries[7].target", target);
finishJSTest();
document.scrollingElement.scrollTop = 0;
});
}
step0();
</script>
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