third_party/WebKit/LayoutTests/inspector/editor/text-editor-reveal-line.html

   1 <html>
   2 <head>
   3 <script src="../../http/tests/inspector/inspector-test.js"></script>
   4 <script src="editor-test.js"></script>
   5 <script>
   6 function test()
   7 {
   8     var out = InspectorTest.addResult;
   9     var textEditor = InspectorTest.createTestEditor(500);
  10     textEditor.setMimeType("text/javascript");
  11     textEditor.setReadOnly(false);
  12     textEditor.element.focus();
  13
  14     textEditor.setText(new Array(10000).join("\n"));
  15
  16     testLineReveal(0);
  17     testLineReveal(500);
  18     testLineReveal(510);
  19     testLineReveal(490);
  20     testLineReveal(1000);
  21     testLineReveal(100);
  22     testLineReveal(9998);
  23     testLineReveal(-100);
  24     testLineReveal(textEditor.linesCount);
  25     testLineReveal(-1);
  26     testLineReveal(10100);
  27
  28     function testLineReveal(lineNumber)
  29     {
  30         textEditor.revealPosition(lineNumber);
  31         var firstLine = textEditor.firstVisibleLine();
  32         var lastLine = textEditor.lastVisibleLine();
  33         var lineCentered = Math.abs(2 * lineNumber - firstLine - lastLine) <= 1;
  34         out("======= Revealing line: " + lineNumber);
  35         out("      is line centered: " + lineCentered);
  36         out("\n");
  37     }
  38     InspectorTest.completeTest();
  39 }
  40
  41 </script>
  42 </head>
  43
  44 <body onload="runTest()">
  45 <p>
  46 This test checks that text editor's revealLine centers line where needed.
  47 </p>
  48
  49 </body>
  50 </html>