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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>padding</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#layout-algorithms">
<meta name="assert" content="Verify that padding is taken into account.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/mathml-fragments.js"></script>
<script src="/mathml/support/box-comparison.js"></script>
<script>
var epsilon = 1;
setup({ explicit_done: true });
window.addEventListener("load", runTests);
function runTests() {
for (tag in MathMLFragments) {
if (!FragmentHelper.isValidChildOfMrow(tag))
continue;
var defaultInlinePadding = (tag === "mfrac" ? 1 : 0);
var style = `padding-left: ${defaultInlinePadding + 30}px; padding-right: ${defaultInlinePadding + 40}px; padding-top: 50px; padding-bottom: 60px;`;
if (FragmentHelper.isEmpty(tag)) {
test(function() {
assert_true(MathMLFeatureDetection[`has_${tag}`](), `${tag} is supported`);
var s = compareSizeWithAndWithoutStyle(tag, style);
assert_approx_equals(s.element_width_delta, 30 + 40, epsilon, "left/right padding");
assert_approx_equals(s.element_height_delta, 50 + 60, epsilon, "top/bottom padding");
assert_approx_equals(s.preferred_width_delta, 30 + 40, epsilon, "preferred width");
}, `Padding properties on ${tag}`);
continue;
}
test(function() {
assert_true(MathMLFeatureDetection[`has_${tag}`](), `${tag} is supported`);
var s = compareSpaceWithAndWithoutStyle(tag, style);
assert_approx_equals(s.left_delta, 30, epsilon, "left padding");
assert_approx_equals(s.right_delta, 40, epsilon, "right padding");
assert_approx_equals(s.top_delta, 50, epsilon, "top padding");
assert_approx_equals(s.bottom_delta, 60, epsilon, "bottom padding");
assert_approx_equals(s.element_width_delta, 30 + 40, epsilon, "element width");
assert_approx_equals(s.element_height_delta, 50 + 60, epsilon, "element height");
assert_approx_equals(s.preferred_width_delta, 30 + 40, epsilon, "preferred width");
}, `Padding properties on ${tag}`);
test(function() {
assert_true(MathMLFeatureDetection[`has_${tag}`](), `${tag} is supported`);
var s = compareSpaceWithAndWithoutStyle(tag, style, "rtl");
assert_approx_equals(s.left_delta, 30, epsilon, "left padding");
assert_approx_equals(s.right_delta, 40, epsilon, "right padding");
assert_approx_equals(s.top_delta, 50, epsilon, "top padding");
assert_approx_equals(s.bottom_delta, 60, epsilon, "bottom padding");
assert_approx_equals(s.element_width_delta, 30 + 40, epsilon, "element width");
assert_approx_equals(s.element_height_delta, 50 + 60, epsilon, "element height");
assert_approx_equals(s.preferred_width_delta, 30 + 40, epsilon, "preferred width");
}, `Padding properties on ${tag} (rtl)`);
}
done();
}
</script>
</head>
<body>
<div id="log"></div>
</body>
</html>
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