The unerase tools have been evaluated by the following criteria:
In our test we used an NTFS-formatted partition 14 GB in size. First we deleted several files from the partition, launched all the unerase tools one by one to recover these files.
Then we tested the capability of the tools to work with a large number of deleted files. To do so we copied two million .gif and .txt files to the partition (one million of each type). Then these files were deleted and the partition was used in our test.