riched20: Add tests for ITextRange interface.

[Nikolay Sivov]

On 7/18/2013 23:36, Caibin Chen wrote:
> ITextRange will be used in both richole.c and txtsrv.c. I'm planning
> to add more tests in it. I think it makes more sense to have one test
> file for each interface, which improves the readability of tests.
That's usually done for implementation, but not for the tests. What does 
it mean it will be used in both files by the way?
>
> 2013/7/18 Nikolay Sivov <bunglehead at gmail.com>:
>> On 7/18/2013 20:28, Caibin Chen wrote:
>>> Add tests for start and end point, setting and getting text.
>>> ---
>>>    dlls/riched20/tests/Makefile.in |   3 +-
>>>    dlls/riched20/tests/txtrng.c    | 343
>>> ++++++++++++++++++++++++++++++++++++++++
>>>    2 files changed, 345 insertions(+), 1 deletion(-)
>>>    create mode 100644 dlls/riched20/tests/txtrng.c
>> You could just use existing file, richole.c fits I think.
>>