DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (b6057e17f856)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=473400
-->
<head>
  <title>Test for Bug 473400</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body onload="run()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=473400">Mozilla Bug 473400</a>
<iframe id="subdoc" src="about:blank"></iframe>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="application/javascript; version=1.7">

/** Test for Bug 473400 **/

SimpleTest.waitForExplicitFinish();

function run() {
  var subdoc = document.getElementById("subdoc").contentDocument;
  var subwin = document.getElementById("subdoc").contentWindow;
  var style = subdoc.createElement("style");
  style.setAttribute("type", "text/css");
  subdoc.getElementsByTagName("head")[0].appendChild(style);
  var sheet = style.sheet;
  var iframe_style = document.getElementById("subdoc").style;

  // Create a style rule and an element now based on the given media
  // query "q", and return the computed style that should be passed to
  // query_applies to see if that query currently applies.
  var n = 0;
  function make_query(q) {
    var i = ++n;
    sheet.insertRule("@media " + q + " { #e" + i + " { text-decoration: underline; } }", sheet.cssRules.length);
    var e = subdoc.createElement("div");
    e.id = "e" + i;
    subdoc.body.appendChild(e);
    var cs = subdoc.defaultView.getComputedStyle(e, "");
    cs._originalQueryText = q;
    return cs;
  }
  function query_applies(cs) {
    return cs.getPropertyValue("text-decoration") == "underline";
  }

  function should_apply(cs) {
    ok(query_applies(cs), cs._originalQueryText + " should apply");
  }

  function should_not_apply(cs) {
    ok(!query_applies(cs), cs._originalQueryText + " should not apply");
  }

  var content_div = document.getElementById("content");
  content_div.style.font = "initial";
  var em_size =
    getComputedStyle(content_div, "").fontSize.match(/^(\d+)px$/)[1];

  let width_val = 317; // pick two not-too-round numbers
  let height_val = 228;
  iframe_style.width = width_val + "px";
  iframe_style.height = height_val + "px";
  var wh_queries = [
    make_query("all and (min-width: " +
                     (Math.ceil(width_val/em_size) + 1) + "em)"),
    make_query("all and (min-width: " +
                 (Math.floor(width_val/em_size) - 1) + "em)"),
    make_query("all and (max-width: " +
                 (Math.ceil(width_val/em_size) + 1) + "em)"),
    make_query("all and (max-width: " +
                     (Math.floor(width_val/em_size) - 1) + "em)"),
    make_query("all and (min-width: " +
                     (Math.ceil(width_val/(em_size*2)) + 1) + "em)"),
    make_query("all and (min-width: " +
                 (Math.floor(width_val/(em_size*2)) - 1) + "em)"),
    make_query("all and (max-width: " +
                 (Math.ceil(width_val/(em_size*2)) + 1) + "em)"),
    make_query("all and (max-width: " +
                     (Math.floor(width_val/(em_size*2)) - 1) + "em)")
  ];

  is(wh_queries[0].fontSize, em_size + "px", "text zoom is 1.0");
  should_not_apply(wh_queries[0]);
  should_apply(wh_queries[1]);
  should_apply(wh_queries[2]);
  should_not_apply(wh_queries[3]);
  SpecialPowers.setTextZoom(subwin, 2.0);
  isnot(wh_queries[0].fontSize, em_size + "px", "text zoom is not 1.0");
  should_not_apply(wh_queries[4]);
  should_apply(wh_queries[5]);
  should_apply(wh_queries[6]);
  should_not_apply(wh_queries[7]);
  SpecialPowers.setTextZoom(subwin, 1.0);
  is(wh_queries[0].fontSize, em_size + "px", "text zoom is 1.0");
  is(subwin.innerHeight, 228, "full zoom is 1.0");
  should_not_apply(wh_queries[0]);
  should_apply(wh_queries[1]);
  should_apply(wh_queries[2]);
  should_not_apply(wh_queries[3]);
  SpecialPowers.setFullZoom(subwin, 2.0);
  isnot(subwin.innerHeight, 228, "full zoom is not 1.0");
  should_not_apply(wh_queries[4]);
  should_apply(wh_queries[5]);
  should_apply(wh_queries[6]);
  should_not_apply(wh_queries[7]);
  SpecialPowers.setFullZoom(subwin, 1.0);
  is(subwin.innerHeight, 228, "full zoom is 1.0");

  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>