151 lines
5.3 KiB
HTML
151 lines
5.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Underscripts and Overscripts parameters</title>
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<link rel="help" href="https://w3c.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
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<meta name="assert" content="Elements munder, mover, munderover correctly use the stretch stack parameters from the MATH table.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/mathml/support/feature-detection.js"></script>
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<script src="/mathml/support/fonts.js"></script>
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<style>
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math, mspace, mo {
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font-size: 10px;
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}
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@font-face {
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font-family: bottomshiftdown3000;
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src: url("/fonts/math/stretchstack-bottomshiftdown3000.woff");
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}
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@font-face {
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font-family: gapbelowmin11000;
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src: url("/fonts/math/stretchstack-gapbelowmin11000.woff");
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}
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@font-face {
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font-family: topshiftup5000;
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src: url("/fonts/math/stretchstack-topshiftup5000.woff");
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}
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@font-face {
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font-family: gapabovemin7000;
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src: url("/fonts/math/stretchstack-gapabovemin7000.woff");
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}
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</style>
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<script>
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var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000
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var epsilon = 1;
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function getBox(aId) {
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return document.getElementById(aId).getBoundingClientRect();
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}
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setup({ explicit_done: true });
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window.addEventListener("load", () => { loadAllFonts().then(runTests); });
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function runTests() {
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test(function() {
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assert_true(MathMLFeatureDetection.has_mspace());
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var v = 3000 * emToPx;
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assert_approx_equals(getBox("under00011").top - getBox("ref0001").bottom,
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v, epsilon, "munder: under shift");
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assert_approx_equals(getBox("under00012").top - getBox("ref0001").bottom,
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v, epsilon, "munderover: under shift");
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}, "StretchStackBottomShiftDown");
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test(function() {
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assert_true(MathMLFeatureDetection.has_mspace());
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var v = 11000 * emToPx;
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assert_approx_equals(getBox("under00021").top - getBox("ref0002").bottom,
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v, epsilon, "munder: under gap");
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assert_approx_equals(getBox("under00022").top - getBox("ref0002").bottom,
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v, epsilon, "munderover: under gap");
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}, "StretchStackGapBelowMin");
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test(function() {
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assert_true(MathMLFeatureDetection.has_mspace());
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var v = 5000 * emToPx;
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assert_approx_equals(getBox("ref0003").top - getBox("over00031").bottom,
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v, epsilon, "mover: over shift");
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assert_approx_equals(getBox("ref0003").top - getBox("over00032").bottom,
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v, epsilon, "munderover: over shift");
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}, "StretchStackTopShiftUp");
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test(function() {
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assert_true(MathMLFeatureDetection.has_mspace());
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var v = 7000 * emToPx;
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assert_approx_equals(getBox("ref0004").top - getBox("over00041").bottom,
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v, epsilon, "mover: over shift");
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assert_approx_equals(getBox("ref0004").top - getBox("over00042").bottom,
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v, epsilon, "munderover: over shift");
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}, "StretchStackGapAboveMin");
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done();
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}
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</script>
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</head>
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<body>
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<div id="log"></div>
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<p>
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<math style="font-family: bottomshiftdown3000;">
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<mspace id="ref0001" height="1em" width="3em" style="background: green"/>
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<munder>
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<mo>→</mo>
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<mspace id="under00011" depth="1em" width="3em" style="background: blue"/>
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</munder>
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<munderover>
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<mo>→</mo>
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<mspace id="under00012" depth="1em" width="3em" style="background: blue"/>
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<mspace height="1em" width="3em" style="background: black"/>
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</munderover>
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</math>
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</p>
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<hr/>
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<p>
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<math style="font-family: gapbelowmin11000;">
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<mspace id="ref0002" height="1em" width="3em" style="background: green"/>
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<munder>
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<mo>→</mo>
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<mspace id="under00021" depth="1em" width="3em" style="background: blue"/>
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</munder>
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<munderover>
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<mo>→</mo>
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<mspace id="under00022" depth="1em" width="3em" style="background: blue"/>
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<mspace height="1em" width="3em" style="background: black"/>
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</munderover>
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</math>
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</p>
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<hr/>
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<p>
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<math style="font-family: topshiftup5000;">
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<mspace id="ref0003" height="1em" width="3em" style="background: green"/>
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<mover>
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<mo>→</mo>
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<mspace id="over00031" height="1em" width="3em" style="background: blue"/>
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</mover>
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<munderover>
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<mo>→</mo>
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<mspace height="1em" width="3em" style="background: black"/>
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<mspace id="over00032" height="1em" width="3em" style="background: blue"/>
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</munderover>
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</math>
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</p>
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<hr/>
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<p>
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<math style="font-family: gapabovemin7000;">
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<mspace id="ref0004" height="1em" width="3em" style="background: green"/>
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<mover>
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<mo>→</mo>
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<mspace id="over00041" depth="1em" width="3em" style="background: blue"/>
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</mover>
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<munderover>
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<mo>→</mo>
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<mspace height="1em" width="3em" style="background: black"/>
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<mspace id="over00042" depth="1em" width="3em" style="background: blue"/>
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</munderover>
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</math>
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</p>
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</body>
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</html>
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