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<!DOCTYPE html>
<meta charset=utf-8>
<title>KeyframeEffect spacing attribute tests</title>
<link rel="help"
href="https://w3c.github.io/web-animations/#dom-keyframeeffect-spacing">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<div id="log"></div>
<script>
"use strict";
test(function(t) {
var anim = createDiv(t).animate(null);
assert_throws(new TypeError, function() {
anim.effect.spacing = '';
});
}, 'Test throwing TypeError if using empty string');
test(function(t) {
var anim = createDiv(t).animate(null);
assert_throws(new TypeError, function() {
anim.effect.spacing = 'dist';
});
}, 'Test throwing TypeError if not using the correct keyword');
test(function(t) {
var anim = createDiv(t).animate(null);
anim.effect.spacing = 'paced(A)';
assert_equals(anim.effect.spacing, 'distribute', 'spacing mode');
}, 'Test falling back to distribute spacing if using a unrecognized property');
test(function(t) {
var anim = createDiv(t).animate(null);
anim.effect.spacing = 'paced(--bg-color)';
assert_equals(anim.effect.spacing, 'distribute', 'spacing mode');
}, 'Test falling back to distribute spacing if using CSS variables');
test(function(t) {
var anim = createDiv(t).animate(null);
anim.effect.spacing = 'paced(animation-duration)';
assert_equals(anim.effect.spacing, 'distribute', 'spacing mode');
}, 'Test falling back to distribute spacing if using a non-animatable ' +
'property');
test(function(t) {
var anim = createDiv(t).animate(null);
anim.effect.spacing = 'distribute';
assert_equals(anim.effect.spacing, 'distribute', 'spacing mode');
}, 'Test spacing value if setting distribute');
test(function(t) {
var anim = createDiv(t).animate(null);
anim.effect.spacing = 'paced(transform)';
assert_equals(anim.effect.spacing, 'paced(transform)', 'spacing mode');
}, 'Test spacing value if setting paced');
</script>
</body>
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