121 lines
5.1 KiB
HTML
121 lines
5.1 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>Preferred width of mrow-like elements</title>
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<link rel="help" href="https://w3c.github.io/mathml-core/#horizontally-group-sub-expressions-mrow">
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<link rel="help" href="https://w3c.github.io/mathml-core/#style-change-mstyle">
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<link rel="help" href="https://w3c.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
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<link rel="help" href="https://w3c.github.io/mathml-core/#the-top-level-math-element">
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<link rel="help" href="https://w3c.github.io/mathml-core/#adjust-space-around-content-mpadded">
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<link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
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<meta name="assert" content="The preferred width of mrow-like elements is the sum of children's width, modulo extra spacing.">
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<script src="/mathml/support/feature-detection.js"></script>
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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 type="text/javascript">
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setup({ explicit_done: true });
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window.addEventListener("load", runTests);
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function runTests()
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{
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var epsilon = 1;
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function MrowWidthFromChildren(mrow) {
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var first = mrow.firstElementChild.getBoundingClientRect();
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var last = mrow.lastElementChild.getBoundingClientRect();
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return last.right - first.left;
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}
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test(function() {
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assert_true(MathMLFeatureDetection.has_mspace());
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Array.from(document.getElementById("mspace-tests").getElementsByClassName("shrink-wrap")).forEach((container) => {
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var containerWidth = container.getBoundingClientRect().width;
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var mrow = container.getElementsByClassName("mrow-like")[0];
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var mrowWidth = MrowWidthFromChildren(mrow);
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assert_approx_equals(containerWidth, mrowWidth, epsilon, mrow.tagName);
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});
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}, "Preferred width of mrow with mspace children");
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test(function() {
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assert_true(MathMLFeatureDetection.has_operator_spacing());
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Array.from(document.getElementById("tokens-tests").getElementsByClassName("shrink-wrap")).forEach((container) => {
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var containerWidth = container.getBoundingClientRect().width;
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var mrow = container.getElementsByClassName("mrow-like")[0];
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var mrowWidth = MrowWidthFromChildren(mrow);
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assert_approx_equals(containerWidth, mrowWidth, epsilon, mrow.tagName);
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});
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}, "Preferred width of mrow with mn and mo children");
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done();
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}
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</script>
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<style>
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div.shrink-wrap {
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background: yellow;
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display: inline-block;
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margin-top: 5px;
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padding-top: 5px;
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}
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</style>
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</head>
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<body>
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<div id="log"></div>
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<div id="mspace-tests">
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<div><div class="shrink-wrap">
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<math><mrow class="mrow-like"><mspace width="30px" height="15px" style="background: blue"/><mspace width="20px" depth="30px" style="background: green"/><mspace width="15px" height="5px" depth="10px" style="background: black"/></mrow></math>
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</div></div>
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<div>
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<div class="shrink-wrap">
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<math><mstyle class="mrow-like"><mspace width="30px" height="15px" style="background: blue"/><mspace width="20px" depth="30px" style="background: green"/><mspace width="15px" height="5px" depth="10px" style="background: black"/></mstyle></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math><mphantom class="mrow-like"><mspace width="30px" height="15px" style="background: blue"/><mspace width="20px" depth="30px" style="background: green"/><mspace width="15px" height="5px" depth="10px" style="background: black"/></mphantom></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math class="mrow-like"><mspace width="30px" height="15px" style="background: blue"/><mspace width="20px" depth="30px" style="background: green"/><mspace width="15px" height="5px" depth="10px" style="background: black"/></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math><unknown class="mrow-like"><mspace width="30px" height="15px" style="background: blue"/><mspace width="20px" depth="30px" style="background: green"/><mspace width="15px" height="5px" depth="10px" style="background: black"/></unknown></math>
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</div>
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</div>
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<div>
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</div>
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</div>
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<div id="tokens-tests">
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<div>
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<div class="shrink-wrap">
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<math><mrow class="mrow-like"><mtext>blah</mtext><mo lspace="30px" rspace="20px">|</mo><mn>2</mn></mrow></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math><mstyle class="mrow-like"><mtext>blah</mtext><mo lspace="30px" rspace="20px">|</mo><mn>2</mn></mstyle></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math><mphantom class="mrow-like"><mtext>blah</mtext><mo lspace="30px" rspace="20px">|</mo><mn>2</mn></mphantom></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math class="mrow-like"><mtext>blah</mtext><mo lspace="30px" rspace="20px">|</mo><mn>2</mn></math>
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</div>
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</div>
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<div>
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<div class="shrink-wrap">
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<math><unknown class="mrow-like"><mtext>blah</mtext><mo lspace="30px" rspace="20px">|</mo><mn>2</mn></unknown></math>
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</div>
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</div>
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</div>
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</p>
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</body>
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</html>
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