tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_getSubStringLength.xhtml (2515B)

      1 <!DOCTYPE html>
      2 <html xmlns="http://www.w3.org/1999/xhtml">
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=420243
      5 -->
      6 <head>
      7  <title>Test for Bug 420243</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
     10 </head>
     11 <body>
     12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=420243">Mozilla Bug 420243</a>
     13 <p id="display"></p>
     14 <div id="content" style="display: none"></div>
     15 
     16 <iframe id="svg" src="getSubStringLength-helper.svg"></iframe>
     17 
     18 <pre id="test">
     19 <script class="testbody" type="application/javascript">
     20 SimpleTest.waitForExplicitFinish();
     21 
     22 function runTests(text, charWidth) {
     23  function chars(n) { return charWidth * n; }
     24 
     25  function expectThrow(charnum, nchars) {
     26    try {
     27      text.getSubStringLength(charnum, nchars);
     28      ok(false,
     29         "text.getSubStringLength(" + charnum + "," + nchars + ") " +
     30         "should have thrown");
     31    } catch (e) {
     32      is(e.name, "IndexSizeError",
     33         "expected an index error for " +
     34         "text.getSubStringLength(" + charnum + "," + nchars + ")");
     35      is(e.code, DOMException.INDEX_SIZE_ERR,
     36         "expected an index error for " +
     37         "text.getSubStringLength(" + charnum + "," + nchars + ")");
     38    }
     39  }
     40 
     41  function expectValue(charnum, nchars, expected) {
     42    try {
     43      isfuzzy(text.getSubStringLength(charnum, nchars), expected, 0.01,
     44         "text.getSubStringLength(" + charnum + "," + nchars + ") " +
     45         "returned wrong value");
     46    } catch (e) {
     47      ok(false,
     48         "unexpected exception for " +
     49         "text.getSubStringLength(" + charnum + "," + nchars + ")");
     50    }
     51  }
     52 
     53  expectThrow(100, 2);
     54  expectThrow(100, 0);
     55  expectThrow(3, 0);
     56  expectThrow(3, 1);
     57 
     58  expectValue(1, 3, chars(2));
     59  expectValue(0, 4, chars(3));
     60  expectValue(0, 0, chars(0));
     61  expectValue(1, 0, chars(0));
     62  expectValue(2, 0, chars(0));
     63  expectValue(0, 1, chars(1));
     64  expectValue(1, 1, chars(1));
     65  expectValue(2, 1, chars(1));
     66  expectValue(0, 2, chars(2));
     67  expectValue(1, 2, chars(2));
     68  expectValue(0, 3, chars(3));
     69  expectValue(1, 100, chars(2));
     70  expectValue(2, 100, chars(1));
     71 }
     72 
     73 
     74 function run() {
     75  try {
     76    var document = $("svg").contentWindow.document;
     77    var text = document.getElementById("text");
     78 
     79    runTests(text, text.getSubStringLength(0, 1));
     80  } catch (e) {
     81    ok(false, "threw error: " + e);
     82  }
     83 
     84  SimpleTest.finish();
     85 }
     86 
     87 window.addEventListener("load", run);
     88 </script>
     89 </pre>
     90 </body>
     91 </html>