Testing precompiled headers

For the compiler toolset I am working on I would like to test the 
precompiled header generation. Are there any Boost Build built-in rules 
to do so ? If not how would I test precompiled header generation and use 
for my compiler toolset with actual Boost Build code in a jam file ? I 
am assuming that none of the normal Boost Build unit tests can be used 
to test precompiled header generation.

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