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https://github.com/servo/servo.git
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91 lines
3.5 KiB
HTML
91 lines
3.5 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>Space</title>
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<link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#SS2.SSS6">
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<meta name="assert" content="Verify mspace metrics for different values of height, depth and width">
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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>
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var epsilon = 1;
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function getBox(aId) {
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var box = document.getElementById(aId).getBoundingClientRect();
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box.middle = (box.bottom + box.top) / 2;
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box.center = (box.left + box.right) / 2;
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return box;
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}
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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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test(function() {
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var empty = getBox("empty");
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assert_equals(empty.width, 0, "zero width");
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assert_approx_equals(getBox("baseline").bottom - empty.top, 0, epsilon, "zero depth");
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assert_approx_equals(empty.bottom - getBox("baseline").bottom, 0, epsilon, "zero depth");
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}, "Empty mspace");
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test(function() {
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for (var i = 0; i <= 2; i++) {
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var space = getBox("width" + i);
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assert_approx_equals(space.width, 25*(i+1), epsilon, "width " + i);
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assert_approx_equals(getBox("baseline").bottom - space.top, 0, epsilon, "height" + i);
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assert_approx_equals(space.bottom - getBox("baseline").bottom, 0, epsilon, "depth" + i);
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}
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}, "Different widths");
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test(function() {
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for (var i = 0; i <= 2; i++) {
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var space = getBox("height" + i);
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assert_equals(space.width, 0, "width" + i);
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assert_approx_equals(getBox("baseline").bottom - space.top, 25*(i+1), epsilon, "height" + i);
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assert_approx_equals(space.bottom - getBox("baseline").bottom, 0, epsilon, "depth" + i);
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}
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}, "Different heights");
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test(function() {
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for (var i = 0; i <= 2; i++) {
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var space = getBox("depth" + i);
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assert_equals(space.width, 0, "width" + i);
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assert_approx_equals(getBox("baseline").bottom - space.top, 0, epsilon, "height" + i);
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assert_approx_equals(space.bottom - getBox("baseline").bottom, 25*(i+1), epsilon, "depth" + i);
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}
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}, "Different depths");
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test(function() {
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for (var i = 0; i <= 2; i++) {
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var space = getBox("mspace" + i);
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assert_approx_equals(space.width, 25*(1+i%3), epsilon, "width" + i);
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assert_approx_equals(getBox("baseline").bottom - space.top, 25*(1+(i+1)%3), epsilon, "height" + i);
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assert_approx_equals(space.bottom - getBox("baseline").bottom, 25*(1+(i+2)%3), epsilon, "depth" + i);
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}
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}, "Various combinations of height, depth and width.");
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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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<p>
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<span id="baseline" style="display: inline-block; width: 30px; height: 5px; background: blue"></span>
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<math>
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<mspace id="empty"/>
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<mspace id="width0" width="25px"/>
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<mspace id="width1" width="50px"/>
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<mspace id="width2" width="75px"/>
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<mspace id="height0" height="25px"/>
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<mspace id="height1" height="50px"/>
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<mspace id="height2" height="75px"/>
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<mspace id="depth0" depth="25px"/>
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<mspace id="depth1" depth="50px"/>
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<mspace id="depth2" depth="75px"/>
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<mspace id="mspace0" width="25px" height="50px" depth="75px" mathbackground="green"/>
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<mspace id="mspace1" width="50px" height="75px" depth="25px" mathbackground="blue"/>
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<mspace id="mspace2" width="75px" height="25px" depth="50px" mathbackground="green"/>
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</math>
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</p>
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<hr/>
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</body>
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</html>
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