gecko-dev/layout/generic/test/test_bug496275.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=496275
-->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Test for Bug 496275</title>
<script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
<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()">
<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>
<!-- Special characters: لا is actually two characters, while تَ should be
treated as one character. -->
<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", 3, "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", 3, "l1", 3, "test 8d");
sel.modify("extend", "forward", "lineboundary");
isAt("l1", 3, "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($("l1"), 0);
SpecialPowers.wrap(sel).caretBidiLevel = 1;
sel.modify("move", "left", "lineboundary");
isAt("l1", 3, "l1", 3, "test 9a");
sel.modify("move", "forward", "Line");
isAt("l2", 0, "l2", 0, "test 9b");
sel.modify("extend", "backward", "Line");
// Apparently going up from the beginning of the line takes us to offset 3 in
// the line above. This is a little weird, but it's consistent with how the
// keyboard works.
isAt("l2", 0, "l1", 3, "test 9c");
// Same test as above, now with absolute directions.
sel.collapse($("l1"), 0);
SpecialPowers.wrap(sel).caretBidiLevel = 1;
sel.modify("move", "left", "lineboundary");
isAt("l1", 3, "l1", 3, "test 10a");
sel.modify("move", "right", "line");
isAt("l2", 0, "l2", 0, "test 10b");
sel.modify("extend", "left", "line");
isAt("l2", 0, "l1", 3, "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>