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exception

A collection of 3 posts

Don't Use Assert() If You Don't Mean It (C++)

Don't Use Assert() If You Don't Mean It (C++)

I found the hard way that assert() in C/C++ exists hard. This post explains that you get a SIGABRT . So, if you want your code to be testable, you better throw an exception instead. I defined a LOGIC_ERROR(condition) macro: #define LOGIC_ERROR(e) if(!(e)) throw std:

About Java Exceptions in SE 7

About Java Exceptions in SE 7

TL;DR: JDK 7 improves on exception handling (less code, base exception class...). Base exception class Reflective operations exceptions now have a base class ReflectiveOperationException. This allows you to to a global catch rather than one for each exception. Now you can write: try { // Some reflective stuff ... } catch(ReflectiveOperationException e)

NullPointerException - getInstrumentation().getContext()

NullPointerException - getInstrumentation().getContext()

Here's a beginner mistake... The following code: public class ReactiveApiTest extends InstrumentationTestCase { protected LocalJsonClient mLocalJsonClient; public ReactiveApiTest() { super(); mLocalJsonClient = new LocalJsonClient( getInstrumentation().getContext() ); } // ... } Throws an exception: Attempt to invoke virtual method 'android.content.Context android.app.Instrumentation.getContext()' on a null object reference It to