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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> CSS Scroll Snap 2 Test: scroll-start-target-* computed values</title>
<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#scroll-start">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("scroll-start-target-block", "auto");
test_computed_value("scroll-start-target-block", "none");
test_computed_value("scroll-start-target-inline", "auto");
test_computed_value("scroll-start-target-inline", "none");
test_computed_value("scroll-start-target-x", "auto");
test_computed_value("scroll-start-target-x", "none");
test_computed_value("scroll-start-target-y", "auto");
test_computed_value("scroll-start-target-y", "none");
target.style = "";
// Test logical-physical mapping.
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetBlock = "auto";
assert_equals(getComputedStyle(target).scrollStartTargetX, "none");
assert_equals(getComputedStyle(target).scrollStartTargetY, "auto");
}, "scroll-start-block maps to scroll-start-y in horizontal writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetInline = "auto";
assert_equals(getComputedStyle(target).scrollStartTargetX, "auto");
assert_equals(getComputedStyle(target).scrollStartTargetY, "none");
}, "scroll-start-inline maps to scroll-start-x in horizontal writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetX = "auto";
assert_equals(getComputedStyle(target).scrollStartTargetBlock, "none");
assert_equals(getComputedStyle(target).scrollStartTargetInline, "auto");
}, "scroll-start-x maps to scroll-start-inline in horizontal writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetY = "auto";
assert_equals(getComputedStyle(target).scrollStartTargetBlock, "auto");
assert_equals(getComputedStyle(target).scrollStartTargetInline, "none");
}, "scroll-start-y maps to scroll-start-block in horizontal writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetBlock = "auto";
target.style.writingMode = "vertical-lr";
assert_equals(getComputedStyle(target).scrollStartTargetX, "auto");
assert_equals(getComputedStyle(target).scrollStartTargetY, "none");
}, "scroll-start-block maps to scroll-start-x in vertical writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetInline = "auto";
target.style.writingMode = "vertical-lr";
assert_equals(getComputedStyle(target).scrollStartTargetX, "none");
assert_equals(getComputedStyle(target).scrollStartTargetY, "auto");
}, "scroll-start-inline maps to scroll-start-y in vertical writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetX = "auto";
target.style.writingMode = "vertical-lr";
assert_equals(getComputedStyle(target).scrollStartTargetBlock, "auto");
assert_equals(getComputedStyle(target).scrollStartTargetInline, "none");
}, "scroll-start-x maps to scroll-start-block in vertical writing mode.");
test((t) => {
t.add_cleanup(() => { target.style = ""; });
target.style.scrollStartTargetY = "auto";
target.style.writingMode = "vertical-lr";
assert_equals(getComputedStyle(target).scrollStartTargetBlock, "none");
assert_equals(getComputedStyle(target).scrollStartTargetInline, "auto");
}, "scroll-start-y maps to scroll-start-inline in vertical writing mode.");
</script>
</body>
</html>
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