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Provide a polyfill over std::to_string

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Android apparently does not support `std::to_string`, so we add a
small polyfill over it. Right now only the ULP matcher uses it,
but we have had plans to use it in `StringMaker<int>` and friends,
as it performs a lot better than `std::stringstream` based
stringification on MSVC.

See #1280 for more details
This commit is contained in:
Martin Hořeňovský 2018-05-09 20:16:27 +02:00
parent 6496c51c95
commit 0074926e5c
5 changed files with 53 additions and 2 deletions
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10
include/internal/catch_compiler_capabilities.h
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@ -76,7 +76,11 @@
# define CATCH_CONFIG_COLOUR_NONE
#endif
////////////////////////////////////////////////////////////////////////////////
// Android somehow still does not support std::to_string
#if defined(__ANDROID__)
# define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
#endif
////////////////////////////////////////////////////////////////////////////////
// Not all Windows environments support SEH properly
@ -146,6 +150,10 @@
# define CATCH_CONFIG_WCHAR
#endif
#if !defined(CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_CPP11_TO_STRING)
# define CATCH_CONFIG_CPP11_TO_STRING
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
# define CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif