Add some platform-independent tests for the collation feature.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 9b095fbea4d6e80e3288e08bd2af4f33aa66875e
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2011-03-20T18:35:39Z
Releases: 9.1.0
Add some platform-independent tests for the collation feature.

There's a lot we can't test very well without platform dependencies,
but the C/POSIX collations should now work the same way everywhere.

Files