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<!DOCTYPE html>
<!-- https://bugzil.la/1330375 -->
<meta charset="utf-8">
<title>Test for Bug 1330375</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest.css"/>
<body>
    <div id="content">
        <table>
            <tbody>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
                <tr><td>lorem ipsum</td><td>dolor sit</td><td>amet</td><td>consectetur adipsicing</td><td>elit.</td></tr>
            </tbody>
        </table>
    </div>
</body>
<script>
"use strict";

const gUtils = SpecialPowers.getDOMWindowUtils(window);

function flush_layout(element) {
  (element || document.documentElement).offsetHeight;
}

SimpleTest.waitForExplicitFinish();

window.onload = function() {
  flush_layout(document.getElementById("content"));

  let before = {
      framesConstructed: gUtils.framesConstructed,
      framesReflowed: gUtils.framesReflowed,
  };

  // Begin test
  let rows = document.getElementsByTagName("tr");
  for (var r = 0; r < rows.length; r++) {
    let row = rows[r];
    row.innerText;
    // Cause potential invalidation of layout:
    row.style.display = "none";
  }

  is(gUtils.framesConstructed, before.framesConstructed, "Frames constructed should be 0");
  is(gUtils.framesReflowed, before.framesReflowed, "Frames reflowed should be 0");

  SimpleTest.finish();
}
</script>