600803 - setting value with newline on textarea has excess newline

Status: RESOLVED FIXED

(Core :: DOM: Editor, defect)

Description

[Stefan]

User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:2.0b7pre) Gecko/20100101 Firefox/4.0b7pre
Build Identifier: Mozilla/5.0 (X11; Linux x86_64; rv:2.0b7pre) Gecko/20100929 Firefox/4.0b7pre

Assigning strings with newlines to values of textareas show unexpected excess newlines.

Reproducible: Always

Steps to Reproduce:
1. click "insert test"
2. textareas unexpectedly differ.
3.
Actual Results:  
right textarea shows:
--- begin ---
aaa
bbb

X
--- end ---

Expected Results:  
same view as left:
--- begin ---
aaa
bbb
X
--- end ---

Seems to be related to Bug 600570

code fragment:

tb.value = "aaa\nbbb";
tb.value = "aaa\nbbb\n";
tb.value += "X";

Comment 1

[Stefan]

Attachment: testcase

Comment 2

[Boris Zbarsky [:bzbarsky]]

So this is fixed by the patch in bug 600570?

Ehsan, do we need to add this testcase too?

Comment 3

[(no longer active)]

(In reply to comment #2)
> So this is fixed by the patch in bug 600570?

Yes.

> Ehsan, do we need to add this testcase too?

I'll create one and attach it here.

Comment 4

[(no longer active)]

Attachment: Test

Comment 5

[(no longer active)]

http://hg.mozilla.org/mozilla-central/rev/77084e9dd18b