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.. _libc_uefi_testing:
==========================
Testing the UEFI C library
==========================
.. contents:: Table of Contents
:depth: 4
:local:
Testing infrastructure
======================
The LLVM C library supports different kinds of :ref:`tests <build_and_test>`
depending on the build configuration. The UEFI target is considered a full build
and therefore provides all of its own utilities to build and run the generated
tests. Currently UEFI supports two kinds of tests.
#. **Hermetic tests** - These are unit tests built with a test suite similar to
Google's ``gtest`` infrastructure. These use the same infrastructure as unit
tests except that the entire environment is self-hosted.
#. **Integration tests** - These are lightweight tests that simply call a
``main`` function and checks if it returns non-zero.
The UEFI target uses the same testing infrastructure as the other supported
``libc`` targets. We do this by treating UEFI as a standard hosted environment
capable of launching a ``main`` function. This only requires us to run the
tests in a UEFI environment.
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