upstream/mercurial-mirror Files · contrib/fuzz/fuzzutil.h

copies-rust: hide most of the comparison details inside a closure...

copies-rust: hide most of the comparison details inside a closure The function that compares values needs various supporting elements that are the same for each call. We are about to both make change to these element and change to call sites in our upcoming work. So abstracting most of the details will help to avoid conflict while these works happen in parallel. Differential Revision: https://phab.mercurial-scm.org/D9426

Augie Fackler - - Load All Authors

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      #ifndef CONTRIB_FUZZ_FUZZUTIL_H

      #define CONTRIB_FUZZ_FUZZUTIL_H

      #include <iostream>

      #include <memory>

      #include <stdint.h>

      /* Try and use std::optional, but failing that assume we'll have a

       * workable https://abseil.io/ install on the include path to get

       * their backport of std::optional. */

      #ifdef __has_include

      #if __has_include(<optional>) && __cplusplus >= 201703L

      #include <optional>

      #define CONTRIB_FUZZ_HAVE_STD_OPTIONAL

      #endif

      #endif

      #ifdef CONTRIB_FUZZ_HAVE_STD_OPTIONAL

      namespace contrib

      {

      using std::nullopt;

      using std::optional;

      } /* namespace contrib */

      #else

      #include "third_party/absl/types/optional.h"

      namespace contrib

      {

      using absl::nullopt;

      using absl::optional;

      } /* namespace contrib */

      #endif

      /* set DEBUG to 1 for a few debugging prints, or 2 for a lot */

      #define DEBUG 0

      #define LOG(level)                                                             \

      	if (level <= DEBUG)                                                    \

      	std::cout

      #endif /* CONTRIB_FUZZ_FUZZUTIL_H */

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				#ifndef CONTRIB_FUZZ_FUZZUTIL_H
				#define CONTRIB_FUZZ_FUZZUTIL_H
				#include <iostream>
				#include <memory>
				#include <stdint.h>

				/* Try and use std::optional, but failing that assume we'll have a
				* workable https://abseil.io/ install on the include path to get
				* their backport of std::optional. */
				#ifdef __has_include
				#if __has_include(<optional>) && __cplusplus >= 201703L
				#include <optional>
				#define CONTRIB_FUZZ_HAVE_STD_OPTIONAL
				#endif
				#endif
				#ifdef CONTRIB_FUZZ_HAVE_STD_OPTIONAL
				namespace contrib
				{
				using std::nullopt;
				using std::optional;
				} /* namespace contrib */
				#else
				#include "third_party/absl/types/optional.h"
				namespace contrib
				{
				using absl::nullopt;
				using absl::optional;
				} /* namespace contrib */
				#endif

				/* set DEBUG to 1 for a few debugging prints, or 2 for a lot */
				#define DEBUG 0
				#define LOG(level) \
				if (level <= DEBUG) \
				std::cout

				#endif /* CONTRIB_FUZZ_FUZZUTIL_H */