108 lines
3 KiB
HTML
108 lines
3 KiB
HTML
<!DOCTYPE html>
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#scroll-snap-type" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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div {
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position: absolute;
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}
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.scroller-x {
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overflow: scroll;
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scroll-snap-type: x mandatory;
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width: 500px;
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height: 500px;
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}
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.scroller-y {
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overflow: scroll;
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scroll-snap-type: y mandatory;
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width: 500px;
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height: 500px;
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}
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.space {
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width: 4000px;
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height: 4000px;
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}
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.target {
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scroll-snap-align: start;
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height: 400px;
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width: 400px;
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}
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.large-x {
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width: 3000px;
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background-color: yellow;
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}
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.large-y {
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height: 2000px;
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background-color: yellow;
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}
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.small {
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height: 200px;
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width: 200px;
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background-color: black;
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}
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</style>
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<div class="scroller-x" id="one-target">
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<div class="space"></div>
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<div class="large-x target" id="single" style="left: 200px;"></div>
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</div>
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<div class="scroller-x" id="x">
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<div class="space"></div>
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<div style="left: 200px;">
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<div class="target large-x"></div>
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<div class="target small" style="left: 200px"></div>
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<div class="target small" style="left: 600px"></div>
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<div class="target small" style="left: 1200px"></div>
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</div>
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</div>
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<div class="scroller-y" id="y">
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<div class="space"></div>
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<div style="top: 200px;">
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<div class="target large-y"></div>
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<div class="target small" style="top: 200px"></div>
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<div class="target small" style="top: 600px"></div>
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<div class="target small" style="top: 1200px"></div>
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<div class="target large-y" style="top: 2000px"></div>
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</div>
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</div>
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<div class="scroller-x" id="two-axes" style="scroll-snap-type: both mandatory">
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<div class="space"></div>
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<div class="target large-x" style="top: 200px"></div>
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</div>
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<div class="scroller-x" id="overlapping-overflow" style="scroll-snap-type: both mandatory">
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<div class="space"></div>
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<div style="left: 200px; top: 200px;">
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<div class="target small"></div>
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<div class="target small"></div>
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<div class="target small"></div>
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<div class="target large-y large-x"></div>
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<div class="target small"></div>
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<div class="target small"></div>
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<div class="target small"></div>
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</div>
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</div>
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<script>
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var one_target_scroller = document.getElementById("one-target");
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var scroller_x = document.getElementById("x");
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var scroller_y = document.getElementById("y");
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var two_axes_scroller = document.getElementById("two-axes");
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var overlapping_scroller = document.getElementById("overlapping-overflow");
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test(() => {
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scroller_x.scrollTo(950, 0);
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assert_equals(scroller_x.scrollLeft, 1000);
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assert_equals(scroller_x.scrollTop, 0);
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}, "Snap within a snap area which covers snapport on x selects a valid snap " +
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"position that avoids the overlapping areas at 800-1000 and 1400-1600.");
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test(() => {
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scroller_y.scrollTo(0, 950);
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assert_equals(scroller_y.scrollLeft, 0);
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assert_equals(scroller_y.scrollTop, 1000);
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}, "Snap within a snap area which covers snapport on y selects a valid snap " +
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"position that avoids the overlapping areas at 800-1000 and 1400-1600.");
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</script>
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