Quelle test_bug496275.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/generic/test/test_bug496275.html

<!DOCTYPE HTML>
<html>


<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>Test for Bug 496275</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>

<body onload="run()" style="font-family: monospace">
<a target="_blank"
   href="https://bugzilla.mozilla.org/show_bug.cgi?id=496275">
  Mozilla Bug 496275
</a>
<p id="display"></p>
<div id="c" contenteditable="true">
  <p id="p1">The first paragraph. Another sentence.  Even more text.</p>
  <p id="p2">Paragraph no. 2.</p>
  <p id="p3">This paragraph<br>
is broken up<br>
into four<br>
lines</p>
</div>

<div id="ltr" contenteditable="true">
  <p id="l1">םלש Hello</p>
  <p id="l2">Goodbye</p>
</div>

<div id="rtl" contenteditable="true" dir="rtl">
  <p id="r1">התרגום האחרון שפיתחנו הוא עבור Firefox 3.5.6.</p>
  <p id="r2">קראו את הערות ההפצה (אנגלית) להוראות ורשימת בעיות ידועות.</p>
</div>


<div id="special" contenteditable="true">
  <p id="s1">a لا b تَ c</p>
</div>

<div>
  <p>Anchor offset: <span id="anchor-offset"></span></p>
  <p>Focus offset: <span id="focus-offset"></span></p>
</div>

<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");
SimpleTest.requestFlakyTimeout("untriaged");

function isOrIsParent(actual, expected, msg) {
  // actual should be expected or actual's parent node should be expected.
  msg += " Expected " + actual + " or " + actual.parentNode +
         " to be " + expected + ".";

  ok(actual == expected || actual.parentNode == expected, msg);
}

function isAt(anchorNode, anchorOffset, focusNode, focusOffset, msg) {
  var sel = window.getSelection();

  isOrIsParent(sel.anchorNode, $(anchorNode), msg + ": Wrong anchor node.");
  is(sel.anchorOffset, anchorOffset, msg + ": Wrong anchor offset.");
  isOrIsParent(sel.focusNode, $(focusNode), msg + ": Wrong focus node.");
  is(sel.focusOffset, $(focusOffset), msg + ": Wrong focus offset.");
}

function run() {
  var sel = window.getSelection();

  // If nothing is focused, selection.modify() should silently fail.
  sel.removeAllRanges();
  sel.modify("move", "forward", "character");

  // Now focus our first div and put the cursor at the beginning of p1.
  $("c").focus();
  sel.collapse($("p1"), 0);

  // We're intentionally inconsistent with the capitalization of "move",
  // "extend", etc. below to test the case-insensitivity of modify().

  // If we move backward, selection.modify() shouldn't do anything, since we're
  // already at the beginning of the frame.
  isAt("p1", 0, "p1", 0, "test 0a");
  sel.modify("Move", "Backward", "Character");
  isAt("p1", 0, "p1", 0, "test 0b");

  // After this move, the cursor should be at the second character of p1
  sel.modify("Move", "Forward", "Character");
  isAt("p1", 1, "p1", 1, "test 1");

  // Select the first character in p1
  sel.collapse($("p1"), 0);
  sel.modify("Extend", "Forward", "Character");
  isAt("p1", 0, "p1", 1, "test 2");
  sel.modify("Move", "Forward", "Character");
  isAt("p1", 2, "p1", 2, "test 2a");

  // Select all of p1, then move the selection forward one character a few
  // times.
  sel.collapse($("p1"), 0);
  sel.extend($("p1"), 1);
  sel.modify("move", "forward", "character");
  isAt("p2", 0, "p2", 0, "test 3a");
  sel.modify("move", "forward", "character");
  isAt("p2", 1, "p2", 1, "test 3b");

  // Put the cursor at the beginning of p3, then extend forward one line.
  // Now go back twice and forward once.  Focus should now be at the end of p3.
  sel.collapse($("p3"), 0);
  sel.modify("Extend", "Forward", "Line");
  sel.modify("extend", "backward", "character");
  sel.modify("extend", "backward", "character");
  sel.modify("extend", "forward", "character");
  isAt("p3", 0, "p3", 14, "test 4");

  // Put the cursor at the beginning of p3, then go forward a few words
  sel.collapse($("p3"), 0);
  sel.modify("Move", "Forward", "Word");
  isAt("p3", 4, "p3", 4, "test 4a");
  sel.modify("move", "forward", "word");
  // Go back and forward so the indexes are correct.
  sel.modify("move", "backward", "character");
  sel.modify("move", "forward", "character");
  isAt("p3", 14, "p3", 14, "test 4b");

  // Test the lineboundary granularity
  sel.collapse($("p3"), 0);
  sel.modify("Move", "Forward", "Lineboundary");
  // Go back and forward so the indexes are correct.
  sel.modify("move", "Backward", "character");
  sel.modify("move", "forward", "character");
  isAt("p3", 14, "p3", 14, "test 5");

  //
  // Test RTL text within a dir=LTR div.
  //
  $("ltr").focus();
  sel.collapse($("l1"), 0);
  SpecialPowers.wrap(sel).caretBidiLevel = 1;
  isAt("l1", 0, "l1", 0, "test 6a");
  sel.modify("Move", "Left", "Character");
  isAt("l1", 1, "l1", 1, "test 6b");
  sel.modify("Extend", "Backward", "Character");
  isAt("l1", 1, "l1", 0, "test 6c");
  sel.modify("extend", "forward", "character");
  isAt("l1", 1, "l1", 1, "test 6d");
  sel.modify("Extend", "Right", "Character");
  isAt("l1", 1, "l1", 0, "test 6e");

  sel.collapse($("l1"), 0);
  SpecialPowers.wrap(sel).caretBidiLevel = 1;
  sel.modify("move", "left", "character");
  sel.modify("extend", "right", "Word");
  isAt("l1", 1, "l1", 3, "test 7a");
  sel.modify("move", "left", "word");
  isAt("l1", 3, "l1", 3, "test 7b");
  sel.modify("move", "forward", "word");
  isAt("l1", 9, "l1", 9, "test 7c");
  sel.modify("extend", "backward", "word");
  isAt("l1", 9, "l1", 4, "test 7d");
  sel.modify("move", "left", "word");
  isAt("l1", 3, "l1", 3, "test 7e");

  sel.collapse($("l1"), 0);
  SpecialPowers.wrap(sel).caretBidiLevel = 1;
  sel.modify("extend", "left", "lineboundary");
  isAt("l1", 0, "l1", 0, "test 8a");
  sel.modify("move", "forward", "lineboundary");
  isAt("l1", 9, "l1", 9, "test 8b");
  sel.modify("extend", "backward", "lineboundary");
  isAt("l1", 9, "l1", 0, "test 8c");
  sel.modify("move", "left", "lineboundary");
  isAt("l1", 0, "l1", 0, "test 8d");
  sel.modify("extend", "forward", "lineboundary");
  isAt("l1", 0, "l1", 9, "test 8e");

  // Put the cursor at the left edge of the first line so that when we go up
  // and down, where we end up doesn't depend on how the characters line up.
  sel.collapse($("l1"), 0);
  SpecialPowers.wrap(sel).caretBidiLevel = 1;
  sel.modify("move", "left", "lineboundary");
  isAt("l1", 0, "l1", 0, "test 9a");
  sel.modify("move", "forward", "Line");
  // Offset becomes non-zero because the line boundary was in the middle of the
  // line.  See bug 1667129
  isAt("l2", 3, "l2", 3, "test 9b");
  sel.modify("extend", "backward", "Line");
  // Going back to the beginning of the previous line
  isAt("l2", 3, "l1", 0, "test 9c");

  // Same test as above, now with absolute directions.
  sel.collapse($("l1"), 0);
  SpecialPowers.wrap(sel).caretBidiLevel = 1;
  sel.modify("move", "left", "lineboundary");
  isAt("l1", 0, "l1", 0, "test 10a");
  sel.modify("move", "right", "line");
  // Also bug 1667129
  isAt("l2", 3, "l2", 3, "test 10b");
  sel.modify("extend", "left", "line");
  isAt("l2", 3, "l1", 0, "test 10c");

  //
  // Test RTL text within a dir=RTL div.
  //
  $("rtl").focus();
  sel.collapse($("r1"), 0);
  sel.modify("move", "forward", "character");
  isAt("r1", 1, "r1", 1, "test 11a");
  sel.modify("extend", "backward", "character");
  isAt("r1", 1, "r1", 0, "test 11b");
  sel.modify("move", "forward", "word");
  isAt("r1", 6, "r1", 6, "test 11c");
  sel.modify("extend", "backward", "word");
  isAt("r1", 6, "r1", 0, "test 11d");
  sel.modify("extend", "forward", "lineboundary");
  isAt("r1", 6, "r1", 45, "test 11e");

  // Same as above, but with absolute directions.
  sel.collapse($("r1"), 0);
  sel.modify("move", "left", "character");
  isAt("r1", 1, "r1", 1, "test 12a");
  sel.modify("extend", "right", "character");
  isAt("r1", 1, "r1", 0, "test 12b");
  sel.modify("move", "left", "word");
  isAt("r1", 6, "r1", 6, "test 12c");
  sel.modify("extend", "right", "word");
  isAt("r1", 6, "r1", 0, "test 12d");

  // Test that move left/right is correct within the RTL div.
  sel.collapse($("r1"), 0);
  sel.modify("extend", "left", "lineboundary");
  isAt("r1", 0, "r1", 45, "test 13a");
  sel.modify("move", "right", "lineboundary");
  isAt("r1", 0, "r1", 0, "test 13b");

  // Test that up/down at the first/last line correctly wraps to the
  // beginning/end of the line.
  sel.collapse($("r1"), 0);
  sel.modify("move", "forward", "word");
  isAt("r1", 6, "r1", 6, "test 14a");
  // Even in RTL text, "left" still means up.
  sel.modify("extend", "left", "Line");
  isAt("r1", 6, "r1", 0, "test 14b");
  sel.modify("move", "right", "line");
  isAt("r2", 0, "r2", 0, "test 14c");
  sel.modify("extend", "forward", "line");
  isAt("r2", 0, "r2", 57, "test 14d");
  sel.modify("move", "backward", "line");
  isAt("r1", 45, "r1", 45, "test 14e");

  // Test some special characters.
  $("special").focus();
  sel.collapse($("s1"), 0);
  sel.modify("move", "forward", "character");
  sel.modify("move", "forward", "character");
  sel.modify("move", "forward", "character");
  isAt("s1", 3, "s1", 3, "test 15a");
  sel.modify("move", "forward", "character");
  isAt("s1", 4, "s1", 4, "test 15b");
  sel.modify("move", "backward", "word");
  isAt("s1", 2, "s1", 2, "test 15c");
  sel.modify("move", "forward", "word");
  sel.modify("move", "forward", "word");
  sel.modify("move", "forward", "word");
  isAt("s1", 9, "s1", 9, "test 15d");

  SimpleTest.finish();
}

function update_debug_info() {
  var sel = window.getSelection();
  document.getElementById("anchor-offset").innerHTML = sel.anchorOffset;
  document.getElementById("focus-offset").innerHTML = sel.focusOffset;
  setTimeout(update_debug_info, 100);
}

setTimeout(update_debug_info, 100);

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

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