would be a fork of http://github.com/jquery/qunit if that actually held anything
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README.markdown
testrunner.js
testsuite.css

README.markdown

A small QUnit fork.

It just adds two functions: doubt() and match(). Kind of recursively, doubt() has its own tests, which you can run here.

doubt()

doubt() allows you to ensure an expected exception is thrown. In its simplest usage, it takes a function:

doubt(function(){throw 'bummer';});
//=> pass: exception thrown

doubt(function(){return 'bummer';});
//=> fail: no exception thrown

But it does oh-so-much-more. Like exception class matching:

doubt(function(){throw Error('bummer');}, Error);
//=> pass: expecting Error exception, got it

doubt(function(){throw TypeError('bummer');}, Error);
//=> fail: expecting Error exception, got TypeError instead

And exception-message regex matching:

doubt(function(){throw Error('bummer');},/bum/);
//=> pass: 'bum' found in exception message

doubt(function(){throw Error('bummer');},/hobo/);
//=> fail: 'hobo' not in exception message

In addition, doubt() goes out of its way to issue nice descriptions of exactly what you were looking for -- and what it received -- when a test fails. For example, the error message for the last previous test was expected exception with message matching /hobo/, got Error with message "bummer". Awesome, huh?

You can also mix exception class checks with exception message checks in any order, but only one each:

doubt(function(){throw Error('bummer');},Error,/bum/);
//=> pass: class and message match

doubt(function(){
    throw RangeError('index 3 outside of array "blind mice"');
},/outside/,RangeError);
//=> pass: class and message match

doubt(function(){
    xyzzy = bar;
},/shangri la/,ReferenceError);
//=> fail: class matches, but message doesn't.

Oh, and like ok() and equals(), doubt() can also accept a String message to output along with the assertion result:

doubt(function(){decodeURI('%foosball');},URIError,'decoding bogus URI fails');

So decoding bogus URI fails will appear next to the assertion's output (in green, hopefully).

match()

match() works like equals() when used with strings, except it allows RegExps:

match('hello world',/^hell/); // pass
match('hello world',/goodbye/); // fail