[Bug 1209326] [NEW] SRU micro-release (MRE) 3.10.3 from utopic to trusty - calculator fails to do proper calculatoins after CTRL+Z and Enter

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Amr Ibrahim (amribrahim1987):

Micro-release 3.10.3 in utopic fixes Bug #1209326 and Bug #1362919.

The update fixes these issues:
    * Fix crash on super/subscript buttons
    * Fix previous answer on undo --> (Bug #1209326)
    * Fix segfault on repeated undo
    * Update translation

I've backported the package from utopic to trusty without any changes to
my PPA
https://launchpad.net/~amribrahim1987/+archive/ubuntu/ppa/+packages?field.name_filter
=gnome-calculator&field.status_filter=published&field.series_filter=

I've attached a diff file. Please test and SRU to trusty.

[Impact]

This bug gives wrong results when undo is used.

[Test Case]

1. Open calculator and type "5000/60" followed by <Enter>. The
calculator produces the right answer, 83.333...

2. Type "/60" followed by <Enter> to divide by 60 again. The calculator
again produces the right answer, 1.388...

3. Press <ctrl>-Z to undo the last calculation.

4. Press <backspace> twice to delete the last "60".

5. Type "12" followed by <Enter>, to divide by 12 instead.

The calculator gives the wrong answer.

[Regression Potential]

The fixes themselves could introduce new bugs.

-----------------------------------------------------------------------------

I found this bug trying to redo a calculation. Do a calculation maybe
with decimals like I did and then press CTRL+Z and hit enter and you
should see the bug.

It's making a bad calculation after these steps.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-calculator 1:3.8.1-0ubuntu1
Uname: Linux 3.10.2-031002-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Wed Aug  7 13:08:05 2013
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-07-10 (28 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: gnome-calculator
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: gnome-calculator
     Importance: High
         Status: Fix Released

** Affects: gnome-calculator (Ubuntu)
     Importance: Medium
         Status: Fix Released

** Affects: gnome-calculator (Ubuntu Raring)
     Importance: Medium
         Status: Triaged

** Affects: gnome-calculator (Ubuntu Saucy)
     Importance: Medium
         Status: Triaged


** Tags: amd64 apport-bug package-qa-testing raring trusty
-- 
SRU micro-release (MRE) 3.10.3 from utopic to trusty - calculator fails to do proper calculatoins after CTRL+Z and Enter
https://bugs.launchpad.net/bugs/1209326
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