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Asked: 2026-05-19T15:27:53+00:00

I am writing some profiling tests for certain methods like adding customers (different batch

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I am writing some profiling tests for certain methods like adding customers (different batch sizes 100, 1000, 10000) to customers table in the database. I am using SqlCE database because of its support from LINQ.

Now to reach the ideal case, i am changing the database before every test so that every test will have same database. for that i am using File.Copy() but while using db.customers.FirstOrDefault() in the second test, i am getting the error “The database file may be corrupted. Run the repair utility to check the database file.”

I am clearing the data context after the test. The problem also may be with linq. I am not sure.Any idea of solving this. or any alternative to this approach. Any suggestions are required.

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  1. Editorial Team

    You should not do unit testing like that, it is error-prone and slow.

    Instead, use database transactions, and rollback the data at the end of the tests, or when required (say per test).

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