Unit Tests Android :


Test parts of the application in isolation with little connection to the underlying system. 
In such cases we have to select a base class that is high enough in the hierarchy to remove some of the dependencies but not high enough for us to be responsible for some of the basic infrastructure.


The candidate base class in this case is possibly AndroidTestCase. 
For example: Android CTS test suite (http://source.android.com/compatibility/cts-intro.html)


Its a group (batch) of unit tests for H/W devices on which Android OS planned to be shipped. 
It shows the basic compatibility of H/W to run Android OS. 


Next step is to run Android CTS unit test, will shared in next session how to run CTS on emulator or Android device. 

Android Sandbox: 

A sandbox is a testing environment that isolates untested code changes and outright experimentation from the production environment or repository, in the context of software development including Web development and revision control. Sandboxing protects "live" servers and their data, vetted source code distributions, and other collections of code, data and/or content, proprietary or public, from changes that could be damaging (regardless of the intent of the author of those changes) to a mission-critical system or which could simply be difficult to revert. 

Sandboxes replicate at least the minimal functionality needed to accurately test the programs or other code under development (e.g. usage of the same environment variables as, or access to an identical database to that used by, the stable prior implementation intended to be modified; there are many other possibilities, as the specific functionality needs vary widely with the nature of the code and the application[s] for which it is intended.)

Are the processors 64-bit on Ubuntu?

A 64-bit processor will have lm ("long mode") in the flags section of cpuinfo. A 32-bit processor will not.

e.g.,

flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8legacy ts fid vid ttp tm stc

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Are the processors dual-core (or multi-core)?

$ grep 'cpu cores' /proc/cpuinfo
cpu cores       : 2
cpu cores       : 2
cpu cores       : 2
cpu cores       : 2

"2" indicates the two physical processors are dual-core, resulting in 4 virtual processors.

If "1" was returned, the two physical processors are single-core. If the processors are single-core, and the number of virtual processors is greater than the number of physical processors, the CPUs are using hyper-threading. Hyper-threading is supported if ht is present in the CPU flags and you are using an SMP kernel.

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CPU Information: 

cat /proc/cpuinfo

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Installing Eclipse and the Android SDK (Ubuntu 8.04/8.10):

http://androidforums.com/developer-101/2321-installing-eclipse-android-sdk-ubuntu-8-04-8-10-a.html