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<!DOCTYPE html>
<title>Testing scrollOptions' behavior for Element.scroll* and scroll-behavior on the root of a subframe</title>
<meta name="timeout" content="long"/>
<meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
<link rel="author" title="Frédéric Wang" href="mailto:fwang@igalia.com">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#propdef-scroll-behavior">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#scrolling-box">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/scroll-behavior.js"></script>
<div id="log">
</div>
<iframe id="iframeNode" width="400px" height="200px" srcdoc="<!DOCTYPE>
<html>
<style>
body {
margin: 0;
}
.autoBehavior {
scroll-behavior: auto;
}
.smoothBehavior {
scroll-behavior: smooth;
}
</style>
<body>
<div style='width: 2000px; height: 1000px; background: linear-gradient(135deg, red, green);'>
<span style='display: inline-block; width: 500px; height: 250px;'></span><span id='elementToReveal' style='display: inline-block; vertical-align: -15px; width: 10px; height: 15px; background: black;'></span>
</div>
</body>
</html>">
</iframe>
<script>
var iframeLoadTest = async_test("iframe loaded");
var scrollingWindow, styledElement, elementToReveal;
var elementToRevealLeft = 500;
var elementToRevealTop = 250;
iframeNode.addEventListener("load", iframeLoadTest.step_func_done(() => {
scrollingWindow = iframeNode.contentWindow;
styledElement = iframeNode.contentDocument.documentElement;
elementToReveal = iframeNode.contentDocument.getElementById("elementToReveal");
["scroll", "scrollTo", "scrollBy"].forEach((scrollFunction) => {
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "autoBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, null, elementToRevealLeft, elementToRevealTop);
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Should set scrollLeft immediately");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Should set scrollTop immediately");
return new Promise((resolve) => { resolve(); });
}, `Main frame with auto scroll-behavior ; ${scrollFunction}() with default behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "autoBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "auto", elementToRevealLeft, elementToRevealTop);
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Should set scrollLeft immediately");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Should set scrollTop immediately");
return new Promise((resolve) => { resolve(); });
}, `Main frame with auto scroll-behavior ; ${scrollFunction}() with auto behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "autoBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "instant", elementToRevealLeft, elementToRevealTop);
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Should set scrollLeft immediately");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Should set scrollTop immediately");
return new Promise((resolve) => { resolve(); });
}, `Main frame with auto scroll-behavior ; ${scrollFunction}() with instant behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "autoBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "smooth", elementToRevealLeft, elementToRevealTop);
assert_less_than(scrollingWindow.scrollX, elementToRevealLeft, "Should not set scrollLeft immediately");
assert_less_than(scrollingWindow.scrollY, elementToRevealTop, "Should not set scrollTop immediately");
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Final value of scrollTop");
});
}, `Main frame with auto scroll-behavior ; ${scrollFunction}() with smooth behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, null, elementToRevealLeft, elementToRevealTop);
assert_less_than(scrollingWindow.scrollX, elementToRevealLeft, "Should not set scrollLeft immediately");
assert_less_than(scrollingWindow.scrollY, elementToRevealTop, "Should not set scrollTop immediately");
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Final value of scrollTop");
});
}, `Main frame with smooth scroll-behavior ; ${scrollFunction}() with default behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "auto", elementToRevealLeft, elementToRevealTop);
assert_less_than(scrollingWindow.scrollX, elementToRevealLeft, "Should not set scrollLeft immediately");
assert_less_than(scrollingWindow.scrollY, elementToRevealTop, "Should not set scrollTop immediately");
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Final value of scrollTop");
});
}, `Main frame with smooth scroll-behavior ; ${scrollFunction}() with auto behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "instant", elementToRevealLeft, elementToRevealTop);
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Should set scrollLeft immediately");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Should set scrollTop immediately");
return new Promise((resolve) => { resolve(); });
}, `Main frame with smooth scroll-behavior ; ${scrollFunction}() with instant behavior`);
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, scrollFunction, "smooth", elementToRevealLeft, elementToRevealTop);
assert_less_than(scrollingWindow.scrollX, elementToRevealLeft, "Should not set scrollLeft immediately");
assert_less_than(scrollingWindow.scrollY, elementToRevealTop, "Should not set scrollTop immediately");
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, elementToRevealLeft, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, elementToRevealTop, "Final value of scrollTop");
});
}, `Main frame with smooth scroll-behavior ; ${scrollFunction}() with smooth behavior`);
});
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, "scroll", "smooth", elementToRevealLeft, elementToRevealTop);
scrollWindow(scrollingWindow, "scroll", "smooth", elementToRevealLeft / 2, elementToRevealTop / 2);
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, elementToRevealLeft / 2, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, elementToRevealTop / 2, "Final value of scrollTop");
});
}, "Aborting an ongoing smooth scrolling on the main frame with another smooth scrolling");
promise_test(() => {
resetScrollForWindow(scrollingWindow);
setScrollBehavior(styledElement, "smoothBehavior");
assert_equals(scrollingWindow.scrollX, 0);
assert_equals(scrollingWindow.scrollY, 0);
scrollWindow(scrollingWindow, "scroll", "smooth", elementToRevealLeft, elementToRevealTop);
scrollWindow(scrollingWindow, "scroll", "instant", 0, 0);
return waitForScrollEnd(scrollingWindow.document.scrollingElement).then(() => {
assert_equals(scrollingWindow.scrollX, 0, "Final value of scrollLeft");
assert_equals(scrollingWindow.scrollY, 0, "Final value of scrollTop");
});
}, "Aborting an ongoing smooth scrolling on the main frame with an instant scrolling");
}));
</script>
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