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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /mathml/presentation-markup/operators/largeop-hit-testing.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test hit testing on large operators</title>
<meta name="assert" content="Verify that hit testing works on large operators.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/fonts.js"></script>
<style>
@font-face {
font-family: TestFont;
src: url("/fonts/math/largeop-displayoperatorminheight5000.woff");
}
mo {
font-family: TestFont;
font-size: 16px;
}
</style>
<script>
function getBox(aId) {
return document.getElementById(aId).getBoundingClientRect();
}
setup({ explicit_done: true });
window.addEventListener("load", () => { loadAllFonts().then(runTests); });
function runTests() {
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
let bbox = getBox("largeop");
let hit = document.getElementById("largeop");
let reference = getBox("reference");
assert_true(bbox.height > reference.height, "height of large op is bigger than the equivalent normal operator");
assert_equals(hit, document.elementFromPoint(bbox.left + 1, bbox.top + 1), "hit testing top-left corner of large op works");
assert_equals(hit, document.elementFromPoint(bbox.right - 1, bbox.bottom - 1), "hit testing bottom-right corner of large op works");
}, "Large op hit testing");
done();
}
</script>
</head>
<body>
<math>
<mtable>
<mtr>
<mtd>
<mstyle displaystyle="false">
<mo id="reference">⫿</mo>
</mstyle>
</mtd>
<mtd>
<mstyle displaystyle="true">
<mo id="largeop">⫿</mo>
</mstyle>
</mtd>
</mtr>
</mtable>
</math>
</body>
</html>