blob: cddceb1eddf086a997171e4f26fe6ac9e7c103c7 [file] [log] [blame]
<!DOCTYPE html>
<script src="../resources/js-test.js"></script>
<script src="helper-functions.js"></script>
<div style="width:100%; height:700px;"></div>
<div style="white-space: nowrap;">
<div style="display: inline-block; width: 1000px; height: 100px"></div>
<div id="target" style="display: inline-block; background-color: green; width:100px; height:100px"></div>
<div style="display: inline-block; width: 1000px; height: 100px"></div>
</div>
<div style="width:100%; height:700px;"></div>
<script>
description("Intersection observer test with root margin and implicit root.");
var target = document.getElementById("target");
var entries = [];
function observer_callback(changes) {
for (var i in changes)
entries.push(changes[i]);
}
var observer = new IntersectionObserver(observer_callback, {
rootMargin: "10px 20% 40% 30px"
});
observer.observe(target);
function step0() {
setTimeout(function() {
shouldThrow("new IntersectionObserver(observer_callback, { rootMargin: '1' })");
shouldThrow("new IntersectionObserver(observer_callback, { rootMargin: '1em' })");
shouldThrow("new IntersectionObserver(observer_callback, { rootMargin: 'auto' })");
shouldNotThrow("new IntersectionObserver(observer_callback, { rootMargin: '1.4px' })");
shouldNotThrow("new IntersectionObserver(observer_callback, { rootMargin: '1.4px 2px' })");
shouldNotThrow("new IntersectionObserver(observer_callback, { rootMargin: '1.4px 2px 3%' })");
shouldNotThrow("new IntersectionObserver(observer_callback, { rootMargin: '1.4px 2px 3% 40px junk junk junk' })");
shouldBeEqualToNumber("entries.length", 0);
document.scrollingElement.scrollLeft = 100;
requestAnimationFrame(step1);
});
}
function step1() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 1);
shouldBeEqualToNumber("entries[0].boundingClientRect.left", 912);
shouldBeEqualToNumber("entries[0].boundingClientRect.right", 1012);
shouldBeEqualToNumber("entries[0].boundingClientRect.top", 708);
shouldBeEqualToNumber("entries[0].boundingClientRect.bottom", 808);
shouldBeEqualToNumber("entries[0].intersectionRect.left", 912);
shouldBeEqualToNumber("entries[0].intersectionRect.right", 942);
shouldBeEqualToNumber("entries[0].intersectionRect.top", 708);
shouldBeEqualToNumber("entries[0].intersectionRect.bottom", 808);
shouldBeEqualToNumber("entries[0].rootBounds.left", -30);
shouldBeEqualToNumber("entries[0].rootBounds.right", 942);
shouldBeEqualToNumber("entries[0].rootBounds.top", -10);
shouldBeEqualToNumber("entries[0].rootBounds.bottom", 819);
shouldEvaluateToSameObject("entries[0].target", target);
document.scrollingElement.scrollTop = 800;
requestAnimationFrame(step2);
});
}
function step2() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 1);
document.scrollingElement.scrollTop = 900;
requestAnimationFrame(step3);
});
}
function step3() {
setTimeout(function() {
shouldBeEqualToNumber("entries.length", 2);
shouldBeEqualToNumber("entries[1].boundingClientRect.left", 912);
shouldBeEqualToNumber("entries[1].boundingClientRect.right", 1012);
shouldBeEqualToNumber("entries[1].boundingClientRect.top", -192);
shouldBeEqualToNumber("entries[1].boundingClientRect.bottom", -92);
shouldBeEqualToNumber("entries[1].intersectionRect.left", 0);
shouldBeEqualToNumber("entries[1].intersectionRect.right", 0);
shouldBeEqualToNumber("entries[1].intersectionRect.top", 0);
shouldBeEqualToNumber("entries[1].intersectionRect.bottom", 0);
shouldBeEqualToNumber("entries[1].rootBounds.left", -30);
shouldBeEqualToNumber("entries[1].rootBounds.right", 942);
shouldBeEqualToNumber("entries[1].rootBounds.top", -10);
shouldBeEqualToNumber("entries[1].rootBounds.bottom", 819);
shouldEvaluateToSameObject("entries[1].target", target);
finishTest();
document.scrollingElement.scrollLeft = 0;
document.scrollingElement.scrollTop = 0;
});
}
step0();
</script>