TestFoundation: make TestPipe pass on Windows #2237
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Windows does not provide `fileDescriptor` for file handles as it uses HANDLEs underneath and it is not possible to provide a non-owning file descriptor value. Make this contingent on testable imports and use the internal `_isPlatformHandleValid` method to check instead.
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CC: @millenomi @spevans |
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@swift-ci please test |
spevans
approved these changes
May 9, 2019
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Windows does not provide
fileDescriptorfor file handles as it usesHANDLEs underneath and it is not possible to provide a non-owning file
descriptor value. Make this contingent on testable imports and use the
internal
_isPlatformHandleValidmethod to check instead.