1 files changed, 244 insertions, 0 deletions
diff --git a/layout/mathml/imptests/test_fraction-parameters.html b/layout/mathml/imptests/test_fraction-parameters.html
new file mode 100644
index 000000000..d067d0184
--- /dev/null
+++ b/layout/mathml/imptests/test_fraction-parameters.html
@@ -0,0 +1,244 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Fraction parameters</title>
+<link rel="help" href="http://www.mathml-association.org/MathMLinHTML5/S3.html#SS3.SSS2">
+<meta name="assert" content="Element mfrac correctly uses the fraction parameters from the MATH table.">
+<!-- Copyright 2016 MathML Association
+     Licensed under 3-Clause BSD-License -->
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+  math, mspace {
+    font-size: 10px;
+  }
+  @font-face {
+    font-family: axisheight7000-rulethickness1000;
+    src: url("fonts/fraction-axisheight7000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: denominatordisplaystylegapmin5000-rulethickness1000;
+    src: url("fonts/fraction-denominatordisplaystylegapmin5000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: denominatordisplaystyleshiftdown6000-rulethickness1000;
+    src: url("fonts/fraction-denominatordisplaystyleshiftdown6000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: denominatorgapmin4000-rulethickness1000;
+    src: url("fonts/fraction-denominatorgapmin4000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: denominatorshiftdown3000-rulethickness1000;
+    src: url("fonts/fraction-denominatorshiftdown3000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: numeratordisplaystylegapmin8000-rulethickness1000;
+    src: url("fonts/fraction-numeratordisplaystylegapmin8000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: numeratordisplaystyleshiftup2000-rulethickness1000;
+    src: url("fonts/fraction-numeratordisplaystyleshiftup2000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: numeratorgapmin9000-rulethickness1000;
+    src: url("fonts/fraction-numeratorgapmin9000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: numeratorshiftup11000-rulethickness1000;
+    src: url("fonts/fraction-numeratorshiftup11000-rulethickness1000.woff");
+  }
+  @font-face {
+    font-family: rulethickness10000;
+    src: url("fonts/fraction-rulethickness10000.woff");
+  }
+</style>
+<script>
+  var emToPx = 10 / 1000; // font-size: 10px, font.em = 1000
+  var epsilon = 1;
+
+  function getBox(aId) {
+    return document.getElementById(aId).getBoundingClientRect();
+  }
+
+  var test_loaded = async_test("Page Loaded");
+  window.addEventListener("load", function() {
+    // FIXME: Use an API to wait for the Web fonts to arrive.
+    window.setTimeout(runTests, 250);
+  });
+
+  function runTests() {
+    test(function() {
+      var v1 = 7000 * emToPx;
+      var v2 = 1000 * emToPx;
+      assert_approx_equals(getBox("ref0001").top - getBox("num0001").bottom,
+                           v1 + v2 / 2, epsilon, "mfrac: axis height");
+    }, "AxisHeight");
+
+    test(function() {
+      var v1 = 5000 * emToPx;
+      assert_approx_equals(getBox("den0002").top - getBox("ref0002").bottom,
+                           v1, epsilon, "mfrac: denominator gap");
+    }, "DenominatorDisplayStyleGapMin");
+
+    test(function() {
+      var v1 = 6000 * emToPx;
+      assert_approx_equals(getBox("den0003").top - getBox("ref0003").bottom,
+                           v1, epsilon, "mfrac: denominator shift");
+    }, "DenominatorDisplayStyleShiftDown");
+
+    test(function() {
+      var v1 = 4000 * emToPx;
+      assert_approx_equals(getBox("den0004").top - getBox("ref0004").bottom,
+                           v1, epsilon, "mfrac: denominator gap");
+    }, "DenominatorGapMin");
+
+    test(function() {
+      var v1 = 3000 * emToPx;
+      assert_approx_equals(getBox("den0005").top - getBox("ref0005").bottom,
+                           v1, epsilon, "mfrac: denominator shift");
+    }, "DenominatorShiftDown");
+
+    test(function() {
+      var v1 = 8000 * emToPx;
+      assert_approx_equals(getBox("ref0006").top - getBox("num0006").bottom,
+                           v1, epsilon, "mfrac: numerator gap");
+    }, "NumeratorDisplayStyleGapMin");
+
+    test(function() {
+      var v1 = 2000 * emToPx;
+      assert_approx_equals(getBox("ref0007").top - getBox("num0007").bottom,
+                           v1, epsilon, "mfrac: numerator shift");
+    }, "NumeratorDisplayStyleShiftDown");
+
+    test(function() {
+      var v1 = 9000 * emToPx;
+      assert_approx_equals(getBox("ref0008").top - getBox("num0008").bottom,
+                           v1, epsilon, "mfrac: numerator gap");
+    }, "NumeratorGapMin");
+
+    test(function() {
+      var v1 = 11000 * emToPx;
+      assert_approx_equals(getBox("ref0009").top - getBox("num0009").bottom,
+                           v1, epsilon, "mfrac: numerator shift");
+    }, "NumeratorShiftDown");
+
+    test(function() {
+      var v1 = 10000 * emToPx;
+      assert_approx_equals(getBox("den0010").top - getBox("num0010").bottom,
+                           v1, epsilon, "mfrac: rule thickness");
+    }, "FractionRuleThickness");
+
+    test_loaded.done();
+  }
+</script>
+</head>
+<body>
+  <p>
+    <math style="font-family: axisheight7000-rulethickness1000;">
+      <mspace id="ref0001" depth="1em" width="3em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em" height="1em" id="num0001" mathbackground="blue"/>
+        <mspace width="3em"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math display="block" style="font-family: denominatordisplaystylegapmin5000-rulethickness1000;">
+      <mspace id="ref0002" width="3em"
+              height=".5em" depth=".5em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em"/>
+        <mspace width="3em" height="1em" id="den0002" mathbackground="blue"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math display="block" style="font-family: denominatordisplaystyleshiftdown6000-rulethickness1000;">
+      <mspace id="ref0003" width="3em" height="1em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em"/>
+        <mspace width="3em" depth="1em" id="den0003" mathbackground="blue"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math style="font-family: denominatorgapmin4000-rulethickness1000;">
+      <mspace id="ref0004" width="3em"
+              height=".5em" depth=".5em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em"/>
+        <mspace width="3em" height="1em" id="den0004" mathbackground="blue"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math style="font-family: denominatorshiftdown3000-rulethickness1000;">
+      <mspace id="ref0005" width="3em" height="1em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em"/>
+        <mspace width="3em" depth="1em" id="den0005" mathbackground="blue"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math display="block" style="font-family: numeratordisplaystylegapmin8000-rulethickness1000;">
+      <mspace id="ref0006" width="3em"
+              height=".5em" depth=".5em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em" depth="1em" id="num0006" mathbackground="blue"/>
+        <mspace width="3em"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math display="block" style="font-family: numeratordisplaystyleshiftup2000-rulethickness1000;">
+      <mspace id="ref0007" width="3em"
+              depth="1em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em" height="1em" id="num0007" mathbackground="blue"/>
+        <mspace width="3em"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math style="font-family: numeratorgapmin9000-rulethickness1000;">
+      <mspace id="ref0008" width="3em"
+              height=".5em" depth=".5em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em" depth="1em" id="num0008" mathbackground="blue"/>
+        <mspace width="3em"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math style="font-family: numeratorshiftup11000-rulethickness1000;">
+      <mspace id="ref0009" width="3em"
+              depth="1em" mathbackground="green"/>
+      <mfrac>
+        <mspace width="3em" height="1em" id="num0009" mathbackground="blue"/>
+        <mspace width="3em"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+  <p>
+    <math style="font-family: rulethickness10000">
+      <mfrac>
+        <mspace width="3em" height="1em" id="num0010" mathbackground="blue"/>
+        <mspace width="3em" depth="1em" id="den0010" mathbackground="green"/>
+      </mfrac>
+    </math>
+  </p>
+  <hr/>
+</body>
+</html>