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testing-with-corefx.md

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Testing with CoreFX

It may be valuable to use CoreFX tests to validate your changes to CoreCLR or mscorlib.

NOTE: The BUILDTOOLS_OVERRIDE_RUNTIME property no longer works.

To run CoreFX tests with an updated System.Private.Corelib.dll, use these instructions.

To build CoreFX against the updated System.Private.Corelib.dll - we need to update instructions.

Replace runtime between build.[cmd|sh] and build-tests.[cmd|sh]

Use the following instructions to test a change to the dotnet/coreclr repo using dotnet/corefx tests. Refer to the CoreFx Developer Guide for information about CoreFx build scripts.

  1. Build the CoreClr runtime you wish to test under <coreclr_root>
  2. Build the CoreFx repo (build.[cmd|sh]) under <corefx_root>, but don't build tests yet
  3. Copy the contents of the CoreCLR binary root you wish to test into the CoreFx runtime folder (<flavor> below) created in step #2. For example:

copy <coreclr_root>\bin\Product\Windows_NT.<arch>.<build_type>\* <corefx_root>\bin\runtime\<flavor>
-or-
cp <coreclr_root>/bin/Product/<os>.<arch>.<build_type>/* <corefx_root>/bin/runtime/<flavor>

  1. Run the CoreFx build-tests.[cmd|sh] script as described in the Developer Guide.

CI Script

run-corefx-tests.py will clone dotnet/corefx and run steps 2-4 above automatically. It is primarily intended to be run by the dotnet/coreclr CI system, but it might provide a useful reference or shortcut for individuals running the tests locally.