mirror of
https://github.com/XRPLF/rippled.git
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d7e949193f
* Copy Antithesis SDK version 0.4.0 to directory external/ * Add build option `voidstar` to enable instrumentation with Antithesis SDK * Define instrumentation macros ASSERT and UNREACHABLE in terms of regular C assert * Replace asserts with named ASSERT or UNREACHABLE * Add UNREACHABLE to LogicError * Document instrumentation macros in CONTRIBUTING.md
1094 lines
44 KiB
C++
1094 lines
44 KiB
C++
#pragma once
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// This header file contains the Antithesis C++ SDK, which enables C++ applications to integrate with the [Antithesis platform].
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//
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// Documentation for the SDK is found at https://antithesis.com/docs/using_antithesis/sdk/cpp/overview.html.
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#include <cstdint>
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#include <random>
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#include <string>
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#include <map>
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#include <set>
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#include <variant>
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#include <vector>
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#include <utility>
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namespace antithesis {
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inline const char* SDK_VERSION = "0.4.0";
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inline const char* PROTOCOL_VERSION = "1.1.0";
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struct LocalRandom {
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std::random_device device;
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std::mt19937_64 gen;
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std::uniform_int_distribution<unsigned long long> distribution;
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LocalRandom() : device(), gen(device()), distribution() {}
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uint64_t random() {
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#ifdef ANTITHESIS_RANDOM_OVERRIDE
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return ANTITHESIS_RANDOM_OVERRIDE();
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#else
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return distribution(gen);
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#endif
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}
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};
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struct JSON; struct JSONArray;
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typedef std::variant<JSON, std::nullptr_t, std::string, bool, char, int, uint64_t, float, double, const char*, JSONArray> JSONValue;
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struct JSONArray : std::vector<JSONValue> {
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using std::vector<JSONValue>::vector;
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template<typename T, std::enable_if<std::is_convertible<T, JSONValue>::value, bool>::type = true>
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JSONArray(std::vector<T> vals) : std::vector<JSONValue>(vals.begin(), vals.end()) {}
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};
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struct JSON : std::map<std::string, JSONValue> {
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JSON() : std::map<std::string, JSONValue>() {}
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JSON( std::initializer_list<std::pair<const std::string, JSONValue>> args) : std::map<std::string, JSONValue>(args) {}
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JSON( std::initializer_list<std::pair<const std::string, JSONValue>> args, std::vector<std::pair<const std::string, JSONValue>> more_args ) : std::map<std::string, JSONValue>(args) {
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for (auto& pair : more_args) {
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(*this)[pair.first] = pair.second;
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}
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}
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};
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// Declarations that we expose
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uint64_t get_random();
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}
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#if defined(NO_ANTITHESIS_SDK) || __cplusplus < 202000L || (defined(__clang__) && __clang_major__ < 16)
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#if __cplusplus < 202000L
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#error "The Antithesis C++ API requires C++20 or higher"
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#endif
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#if defined(__clang__) && __clang_major__ < 16
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#error "The Antithesis C++ API requires clang version 16 or higher"
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#endif
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#define ALWAYS(cond, message, ...)
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#define ALWAYS_OR_UNREACHABLE(cond, message, ...)
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#define SOMETIMES(cond, message, ...)
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#define REACHABLE(message, ...)
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#define UNREACHABLE(message, ...)
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#define ALWAYS_GREATER_THAN(val, threshold, message, ...)
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#define ALWAYS_GREATER_THAN_OR_EQUAL_TO(val, threshold, message, ...)
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#define SOMETIMES_GREATER_THAN(val, threshold, message, ...)
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#define SOMETIMES_GREATER_THAN_OR_EQUAL_TO(val, threshold, message, ...)
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#define ALWAYS_LESS_THAN(val, threshold, message, ...)
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#define ALWAYS_LESS_THAN_OR_EQUAL_TO(val, threshold, message, ...)
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#define SOMETIMES_LESS_THAN(val, threshold, message, ...)
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#define SOMETIMES_LESS_THAN_OR_EQUAL_TO(val, threshold, message, ...)
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#define ALWAYS_SOME(pairs, message, ...)
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#define SOMETIMES_ALL(pairs, message, ...)
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namespace antithesis {
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inline uint64_t get_random() {
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static LocalRandom random_gen;
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return random_gen.random();
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}
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inline void setup_complete(const JSON& details) {
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}
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inline void send_event(const char* name, const JSON& details) {
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}
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}
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#else
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#include <cstdio>
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#include <array>
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#include <source_location>
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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#include <dlfcn.h>
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#include <memory>
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#include <cstring>
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#include <cstdlib>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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namespace antithesis {
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constexpr const char* const ERROR_LOG_LINE_PREFIX = "[* antithesis-sdk-cpp *]";
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constexpr const char* LIB_PATH = "/usr/lib/libvoidstar.so";
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constexpr const char* LOCAL_OUTPUT_ENVIRONMENT_VARIABLE = "ANTITHESIS_SDK_LOCAL_OUTPUT";
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static std::ostream& operator<<(std::ostream& out, const JSON& details);
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struct LibHandler {
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virtual ~LibHandler() = default;
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virtual void output(const char* message) const = 0;
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virtual uint64_t random() = 0;
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void output(const JSON& json) const {
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std::ostringstream out;
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out << json;
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output(out.str().c_str());
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}
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};
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struct AntithesisHandler : LibHandler {
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void output(const char* message) const override {
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if (message != nullptr) {
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fuzz_json_data(message, strlen(message));
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fuzz_flush();
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}
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}
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uint64_t random() override {
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return fuzz_get_random();
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}
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static std::unique_ptr<AntithesisHandler> create() {
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void* shared_lib = dlopen(LIB_PATH, RTLD_NOW);
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if (!shared_lib) {
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error("Can not load the Antithesis native library");
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return nullptr;
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}
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void* fuzz_json_data = dlsym(shared_lib, "fuzz_json_data");
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if (!fuzz_json_data) {
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error("Can not access symbol fuzz_json_data");
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return nullptr;
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}
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void* fuzz_flush = dlsym(shared_lib, "fuzz_flush");
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if (!fuzz_flush) {
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error("Can not access symbol fuzz_flush");
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return nullptr;
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}
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void* fuzz_get_random = dlsym(shared_lib, "fuzz_get_random");
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if (!fuzz_get_random) {
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error("Can not access symbol fuzz_get_random");
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return nullptr;
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}
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return std::unique_ptr<AntithesisHandler>(new AntithesisHandler(
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reinterpret_cast<fuzz_json_data_t>(fuzz_json_data),
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reinterpret_cast<fuzz_flush_t>(fuzz_flush),
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reinterpret_cast<fuzz_get_random_t>(fuzz_get_random)));
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}
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private:
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typedef void (*fuzz_json_data_t)( const char* message, size_t length );
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typedef void (*fuzz_flush_t)();
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typedef uint64_t (*fuzz_get_random_t)();
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fuzz_json_data_t fuzz_json_data;
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fuzz_flush_t fuzz_flush;
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fuzz_get_random_t fuzz_get_random;
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AntithesisHandler(fuzz_json_data_t fuzz_json_data, fuzz_flush_t fuzz_flush, fuzz_get_random_t fuzz_get_random) :
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fuzz_json_data(fuzz_json_data), fuzz_flush(fuzz_flush), fuzz_get_random(fuzz_get_random) {}
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static void error(const char* message) {
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fprintf(stderr, "%s %s: %s\n", ERROR_LOG_LINE_PREFIX, message, dlerror());
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}
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};
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struct LocalHandler : LibHandler{
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~LocalHandler() override {
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if (file != nullptr) {
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fclose(file);
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}
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}
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void output(const char* message) const override {
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if (file != nullptr && message != nullptr) {
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fprintf(file, "%s\n", message);
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}
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}
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uint64_t random() override {
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return random_gen.random();
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}
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static std::unique_ptr<LocalHandler> create() {
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return std::unique_ptr<LocalHandler>(new LocalHandler(create_internal()));
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}
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private:
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FILE* file;
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LocalRandom random_gen;
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LocalHandler(FILE* file): file(file), random_gen() {
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}
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// If `localOutputEnvVar` is set to a non-empty path, attempt to open that path and truncate the file
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// to serve as the log file of the local handler.
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// Otherwise, we don't have a log file, and logging is a no-op in the local handler.
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static FILE* create_internal() {
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const char* path = std::getenv(LOCAL_OUTPUT_ENVIRONMENT_VARIABLE);
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if (!path || !path[0]) {
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return nullptr;
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}
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// Open the file for writing (create if needed and possible) and truncate it
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FILE* file = fopen(path, "w");
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if (file == nullptr) {
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fprintf(stderr, "%s Failed to open path %s: %s\n", ERROR_LOG_LINE_PREFIX, path, strerror(errno));
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return nullptr;
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}
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int ret = fchmod(fileno(file), 0644);
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if (ret != 0) {
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fprintf(stderr, "%s Failed to set permissions for path %s: %s\n", ERROR_LOG_LINE_PREFIX, path, strerror(errno));
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fclose(file);
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return nullptr;
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}
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return file;
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}
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};
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static std::unique_ptr<LibHandler> init() {
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struct stat stat_buf;
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if (stat(LIB_PATH, &stat_buf) == 0) {
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std::unique_ptr<LibHandler> tmp = AntithesisHandler::create();
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if (!tmp) {
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fprintf(stderr, "%s Failed to create handler for Antithesis library\n", ERROR_LOG_LINE_PREFIX);
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exit(-1);
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}
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return tmp;
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} else {
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return LocalHandler::create();
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}
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}
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struct AssertionState {
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uint8_t false_not_seen : 1;
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uint8_t true_not_seen : 1;
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uint8_t rest : 6;
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AssertionState() : false_not_seen(true), true_not_seen(true), rest(0) {}
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};
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template<class>
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inline constexpr bool always_false_v = false;
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static std::ostream& operator<<(std::ostream& out, const JSONValue& json) {
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std::visit([&](auto&& arg)
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{
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using T = std::decay_t<decltype(arg)>;
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if constexpr (std::is_same_v<T, std::string>) {
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out << std::quoted(arg);
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} else if constexpr (std::is_same_v<T, bool>) {
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out << (arg ? "true" : "false");
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} else if constexpr (std::is_same_v<T, char>) {
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char tmp[2] = {arg, '\0'};
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out << std::quoted(tmp);
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} else if constexpr (std::is_same_v<T, int>) {
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out << arg;
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} else if constexpr (std::is_same_v<T, uint64_t>) {
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out << arg;
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} else if constexpr (std::is_same_v<T, float>) {
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out << arg;
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} else if constexpr (std::is_same_v<T, double>) {
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out << arg;
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} else if constexpr (std::is_same_v<T, const char*>) {
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out << std::quoted(arg);
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} else if constexpr (std::is_same_v<T, std::nullptr_t>) {
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out << "null";
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} else if constexpr (std::is_same_v<T, JSON>) {
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out << arg;
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} else if constexpr (std::is_same_v<T, JSONArray>) {
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out << '[';
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bool first = true;
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for (auto &item : arg) {
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if (!first) {
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out << ',';
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}
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first = false;
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out << item;
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}
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out << ']';
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} else {
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static_assert(always_false_v<T>, "non-exhaustive JSONValue visitor!");
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}
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}, json);
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return out;
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}
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static std::ostream& operator<<(std::ostream& out, const JSON& details) {
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out << '{';
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bool first = true;
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for (auto [key, value] : details) {
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if (!first) {
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out << ',';
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}
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out << std::quoted(key) << ':' << value;
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first = false;
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}
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out << '}';
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return out;
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}
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enum AssertionType {
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ALWAYS_ASSERTION,
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ALWAYS_OR_UNREACHABLE_ASSERTION,
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SOMETIMES_ASSERTION,
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REACHABLE_ASSERTION,
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UNREACHABLE_ASSERTION,
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};
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inline constexpr bool get_must_hit(AssertionType type) {
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switch (type) {
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case ALWAYS_ASSERTION:
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case SOMETIMES_ASSERTION:
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case REACHABLE_ASSERTION:
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return true;
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case ALWAYS_OR_UNREACHABLE_ASSERTION:
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case UNREACHABLE_ASSERTION:
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return false;
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}
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}
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inline constexpr const char* get_assert_type_string(AssertionType type) {
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switch (type) {
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case ALWAYS_ASSERTION:
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case ALWAYS_OR_UNREACHABLE_ASSERTION:
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return "always";
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case SOMETIMES_ASSERTION:
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return "sometimes";
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case REACHABLE_ASSERTION:
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case UNREACHABLE_ASSERTION:
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return "reachability";
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}
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}
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inline constexpr const char* get_display_type_string(AssertionType type) {
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switch (type) {
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case ALWAYS_ASSERTION: return "Always";
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case ALWAYS_OR_UNREACHABLE_ASSERTION: return "AlwaysOrUnreachable";
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case SOMETIMES_ASSERTION: return "Sometimes";
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case REACHABLE_ASSERTION: return "Reachable";
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case UNREACHABLE_ASSERTION: return "Unreachable";
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}
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}
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struct LocationInfo {
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const char* class_name;
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const char* function_name;
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const char* file_name;
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const int line;
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const int column;
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JSON to_json() const {
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return JSON{
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{"class", class_name},
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{"function", function_name},
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{"file", file_name},
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{"begin_line", line},
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{"begin_column", column},
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};
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}
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};
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inline std::string make_key([[maybe_unused]] const char* message, const LocationInfo& location_info) {
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return message;
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}
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inline LibHandler& get_lib_handler() {
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static LibHandler* lib_handler = nullptr;
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if (lib_handler == nullptr) {
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lib_handler = init().release(); // Leak on exit, rather than exit-time-destructor
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JSON language_block{
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{"name", "C++"},
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{"version", __VERSION__}
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};
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JSON version_message{
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{"antithesis_sdk", JSON{
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{"language", language_block},
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{"sdk_version", SDK_VERSION},
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{"protocol_version", PROTOCOL_VERSION}
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}
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}};
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lib_handler->output(version_message);
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}
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return *lib_handler;
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}
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inline void assert_impl(bool cond, const char* message, const JSON& details, const LocationInfo& location_info,
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bool hit, bool must_hit, const char* assert_type, const char* display_type, const char* id) {
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JSON assertion{
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{"antithesis_assert", JSON{
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{"hit", hit},
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{"must_hit", must_hit},
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{"assert_type", assert_type},
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{"display_type", display_type},
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{"message", message},
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{"condition", cond},
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{"id", id},
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{"location", location_info.to_json()},
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{"details", details},
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}}
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};
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get_lib_handler().output(assertion);
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}
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inline void assert_raw(bool cond, const char* message, const JSON& details,
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const char* class_name, const char* function_name, const char* file_name, const int line, const int column,
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bool hit, bool must_hit, const char* assert_type, const char* display_type, const char* id) {
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LocationInfo location_info{ class_name, function_name, file_name, line, column };
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assert_impl(cond, message, details, location_info, hit, must_hit, assert_type, display_type, id);
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}
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typedef std::set<std::string> CatalogEntryTracker;
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inline CatalogEntryTracker& get_catalog_entry_tracker() {
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static CatalogEntryTracker catalog_entry_tracker;
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return catalog_entry_tracker;
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}
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struct Assertion {
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AssertionState state;
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AssertionType type;
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const char* message;
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LocationInfo location;
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Assertion(const char* message, AssertionType type, LocationInfo&& location) :
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state(), type(type), message(message), location(std::move(location)) {
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this->add_to_catalog();
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}
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void add_to_catalog() const {
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std::string id = make_key(message, location);
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CatalogEntryTracker& tracker = get_catalog_entry_tracker();
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if (!tracker.contains(id)) {
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tracker.insert(id);
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const bool condition = (type == REACHABLE_ASSERTION ? true : false);
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const bool hit = false;
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const char* assert_type = get_assert_type_string(type);
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const bool must_hit = get_must_hit(type);
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const char* display_type = get_display_type_string(type);
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assert_impl(condition, message, {}, location, hit, must_hit, assert_type, display_type, id.c_str());
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}
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}
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[[clang::always_inline]] inline void check_assertion(bool cond, const JSON& details) {
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#if defined(NO_ANTITHESIS_SDK)
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#error "Antithesis SDK has been disabled"
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#endif
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if (__builtin_expect(state.false_not_seen || state.true_not_seen, false)) {
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check_assertion_internal(cond, details);
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}
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}
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private:
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void check_assertion_internal(bool cond, const JSON& details) {
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bool emit = false;
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if (!cond && state.false_not_seen) {
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emit = true;
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state.false_not_seen = false; // TODO: is the race OK?
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}
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if (cond && state.true_not_seen) {
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emit = true;
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state.true_not_seen = false; // TODO: is the race OK?
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}
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if (emit) {
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const bool hit = true;
|
|
const char* assert_type = get_assert_type_string(type);
|
|
const bool must_hit = get_must_hit(type);
|
|
const char* display_type = get_display_type_string(type);
|
|
std::string id = make_key(message, location);
|
|
assert_impl(cond, message, details, location, hit, must_hit, assert_type, display_type, id.c_str());
|
|
}
|
|
}
|
|
};
|
|
|
|
inline uint64_t get_random() {
|
|
return get_lib_handler().random();
|
|
}
|
|
|
|
inline void setup_complete(const JSON& details) {
|
|
JSON json{
|
|
{ "antithesis_setup", JSON{
|
|
{"status", "complete"},
|
|
{"details", details}
|
|
}}
|
|
};
|
|
get_lib_handler().output(json);
|
|
}
|
|
|
|
inline void send_event(const char* name, const JSON& details) {
|
|
JSON json = { { name, details } };
|
|
get_lib_handler().output(json);
|
|
}
|
|
|
|
enum GuidepostType {
|
|
GUIDEPOST_MAXIMIZE,
|
|
GUIDEPOST_MINIMIZE,
|
|
GUIDEPOST_EXPLORE,
|
|
GUIDEPOST_ALL,
|
|
GUIDEPOST_NONE
|
|
};
|
|
|
|
inline constexpr const char* get_guidance_type_string(GuidepostType type) {
|
|
switch (type) {
|
|
case GUIDEPOST_MAXIMIZE:
|
|
case GUIDEPOST_MINIMIZE:
|
|
return "numeric";
|
|
case GUIDEPOST_ALL:
|
|
case GUIDEPOST_NONE:
|
|
return "boolean";
|
|
case GUIDEPOST_EXPLORE:
|
|
return "json";
|
|
}
|
|
}
|
|
|
|
inline constexpr bool does_guidance_maximize(GuidepostType type) {
|
|
switch (type) {
|
|
case GUIDEPOST_MAXIMIZE:
|
|
case GUIDEPOST_ALL:
|
|
return true;
|
|
case GUIDEPOST_EXPLORE:
|
|
case GUIDEPOST_MINIMIZE:
|
|
case GUIDEPOST_NONE:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
template <typename NumericValue, class Value=std::pair<NumericValue, NumericValue>>
|
|
struct NumericGuidepost {
|
|
const char* message;
|
|
LocationInfo location;
|
|
GuidepostType type;
|
|
// an approximation of (left - right) / 2; contains an absolute value and a sign bit
|
|
std::pair<NumericValue, bool> extreme_half_gap;
|
|
|
|
NumericGuidepost(const char* message, LocationInfo&& location, GuidepostType type) :
|
|
message(message), location(std::move(location)), type(type) {
|
|
this->add_to_catalog();
|
|
if (type == GUIDEPOST_MAXIMIZE) {
|
|
extreme_half_gap = { std::numeric_limits<NumericValue>::max(), false };
|
|
} else {
|
|
extreme_half_gap = { std::numeric_limits<NumericValue>::max(), true };
|
|
}
|
|
}
|
|
|
|
inline void add_to_catalog() {
|
|
std::string id = make_key(message, location);
|
|
JSON catalog{
|
|
{"antithesis_guidance", JSON{
|
|
{"guidance_type", get_guidance_type_string(type)},
|
|
{"message", message},
|
|
{"id", id},
|
|
{"location", location.to_json()},
|
|
{"maximize", does_guidance_maximize(type)},
|
|
{"hit", false}
|
|
}}
|
|
};
|
|
get_lib_handler().output(catalog);
|
|
}
|
|
|
|
std::pair<NumericValue, bool> compute_half_gap(NumericValue left, NumericValue right) {
|
|
// An extremely baroque way to compute (left - right) / 2, rounded toward 0, without overflowing or underflowing
|
|
if (std::is_integral_v<NumericValue>) {
|
|
// If both numbers are odd then the gap doesn't change if we subtract 1 from both sides
|
|
// Also subtracting 1 from both sides won't underflow
|
|
if (left % 2 == 1 && right % 2 == 1)
|
|
return compute_half_gap( left - 1, right - 1);
|
|
// If one number is odd then we subtract 1 from the larger number
|
|
// This rounds the computation toward 0 but again won't underflow
|
|
if (left % 2 == 1 || right % 2 == 1) {
|
|
if (left > right) {
|
|
return compute_half_gap( left - 1, right );
|
|
} else {
|
|
return compute_half_gap( left, right - 1 );
|
|
}
|
|
}
|
|
// At this point both numbers are even, so the midpoint calculation is exact
|
|
NumericValue half_left = left / 2;
|
|
NumericValue half_right = right / 2;
|
|
NumericValue midpoint = half_left + half_right;
|
|
// This won't overflow or underflow because we're subtracting the midpoint
|
|
// We compute a positive value and a sign so that we don't have to do weird things with unsigned types
|
|
if (left > right) {
|
|
return { midpoint - right, true };
|
|
} else {
|
|
return { right - midpoint, false };
|
|
}
|
|
} else {
|
|
// If it's floating point we don't need to worry about overflowing, just do the arithmetic
|
|
return { left > right ? (left - right) / 2 : (right - left) / 2, left > right };
|
|
}
|
|
}
|
|
|
|
bool should_send_value(std::pair<NumericValue, bool> half_gap) {
|
|
if (this->type == GUIDEPOST_MAXIMIZE) {
|
|
if (half_gap.second && !extreme_half_gap.second) {
|
|
// we're positive and the extreme value isn't; always send back
|
|
return true;
|
|
} else if (!half_gap.second && extreme_half_gap.second) {
|
|
// we're negative and the extreme value is positive; never send back
|
|
return false;
|
|
} else if (half_gap.second && extreme_half_gap.second) {
|
|
// both positive; send back if our absolute value is at least as large
|
|
return half_gap.first >= extreme_half_gap.first;
|
|
} else {
|
|
// both negative; send back if our absolute value is at least as small
|
|
return half_gap.first <= extreme_half_gap.first;
|
|
}
|
|
} else {
|
|
if (half_gap.second && !extreme_half_gap.second) {
|
|
// we're positive and the extreme value isn't; never send back
|
|
return false;
|
|
} else if (!half_gap.second && extreme_half_gap.second) {
|
|
// we're negative and the extreme value is positive; always send back
|
|
return true;
|
|
} else if (half_gap.second && extreme_half_gap.second) {
|
|
// both positive; send back if our absolute value is at least as small
|
|
return half_gap.first <= extreme_half_gap.first;
|
|
} else {
|
|
// both negative; send back if our absolute value is at least as large
|
|
return half_gap.first >= extreme_half_gap.first;
|
|
}
|
|
}
|
|
}
|
|
|
|
[[clang::always_inline]] inline void send_guidance(Value value) {
|
|
std::pair<NumericValue, bool> half_gap = compute_half_gap(value.first, value.second);
|
|
if (should_send_value(half_gap)) {
|
|
extreme_half_gap = half_gap;
|
|
std::string id = make_key(this->message, this->location);
|
|
JSON guidance{
|
|
{"antithesis_guidance", JSON{
|
|
{"guidance_type", get_guidance_type_string(this->type)},
|
|
{"message", this->message},
|
|
{"id", id},
|
|
{"location", this->location.to_json()},
|
|
{"maximize", does_guidance_maximize(this->type)},
|
|
{"guidance_data", JSON{
|
|
{ "left", value.first },
|
|
{ "right", value.second } }},
|
|
{"hit", true}
|
|
}}
|
|
};
|
|
get_lib_handler().output(guidance);
|
|
}
|
|
}
|
|
};
|
|
|
|
template <typename GuidanceType>
|
|
struct BooleanGuidepost {
|
|
const char* message;
|
|
LocationInfo location;
|
|
GuidepostType type;
|
|
|
|
BooleanGuidepost(const char* message, LocationInfo&& location, GuidepostType type) :
|
|
message(message), location(std::move(location)), type(type) {
|
|
this->add_to_catalog();
|
|
}
|
|
|
|
inline void add_to_catalog() {
|
|
std::string id = make_key(message, location);
|
|
JSON catalog{
|
|
{"antithesis_guidance", JSON{
|
|
{"guidance_type", get_guidance_type_string(type)},
|
|
{"message", message},
|
|
{"id", id},
|
|
{"location", location.to_json()},
|
|
{"maximize", does_guidance_maximize(type)},
|
|
{"hit", false}
|
|
}}
|
|
};
|
|
get_lib_handler().output(catalog);
|
|
}
|
|
|
|
inline virtual void send_guidance(GuidanceType data) {
|
|
std::string id = make_key(this->message, this->location);
|
|
JSON guidance{
|
|
{"antithesis_guidance", JSON{
|
|
{"guidance_type", get_guidance_type_string(this->type)},
|
|
{"message", this->message},
|
|
{"id", id},
|
|
{"location", location.to_json()},
|
|
{"maximize", does_guidance_maximize(this->type)},
|
|
{"guidance_data", data},
|
|
{"hit", true}
|
|
}}
|
|
};
|
|
get_lib_handler().output(guidance);
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace {
|
|
template <std::size_t N>
|
|
struct fixed_string {
|
|
std::array<char, N> contents;
|
|
constexpr fixed_string() {
|
|
for(unsigned int i=0; i<N; i++) contents[i] = 0;
|
|
}
|
|
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wunsafe-buffer-usage"
|
|
constexpr fixed_string( const char (&arr)[N] )
|
|
{
|
|
for(unsigned int i=0; i<N; i++) contents[i] = arr[i];
|
|
}
|
|
|
|
static constexpr fixed_string<N> from_c_str( const char* s ) {
|
|
fixed_string<N> it;
|
|
for(unsigned int i=0; i<N && s[i]; i++)
|
|
it.contents[i] = s[i];
|
|
return it;
|
|
}
|
|
#pragma clang diagnostic pop
|
|
|
|
const char* c_str() const { return contents.data(); }
|
|
};
|
|
|
|
template <std::size_t N>
|
|
fixed_string( const char (&arr)[N] ) -> fixed_string<N>;
|
|
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wunsafe-buffer-usage"
|
|
static constexpr size_t string_length( const char * s ) {
|
|
for(int l = 0; ; l++)
|
|
if (!s[l])
|
|
return l;
|
|
}
|
|
#pragma clang diagnostic pop
|
|
|
|
template <antithesis::AssertionType type, fixed_string message, fixed_string file_name, fixed_string function_name, int line, int column>
|
|
struct CatalogEntry {
|
|
[[clang::always_inline]] static inline antithesis::Assertion create() {
|
|
antithesis::LocationInfo location{ "", function_name.c_str(), file_name.c_str(), line, column };
|
|
return antithesis::Assertion(message.c_str(), type, std::move(location));
|
|
}
|
|
|
|
static inline antithesis::Assertion assertion = create();
|
|
};
|
|
|
|
template<typename GuidanceDataType, antithesis::GuidepostType type, fixed_string message, fixed_string file_name, fixed_string function_name, int line, int column>
|
|
struct BooleanGuidanceCatalogEntry {
|
|
[[clang::always_inline]] static inline antithesis::BooleanGuidepost<GuidanceDataType> create() {
|
|
antithesis::LocationInfo location{ "", function_name.c_str(), file_name.c_str(), line, column };
|
|
switch (type) {
|
|
case antithesis::GUIDEPOST_ALL:
|
|
case antithesis::GUIDEPOST_NONE:
|
|
return antithesis::BooleanGuidepost<GuidanceDataType>(message.c_str(), std::move(location), type);
|
|
default:
|
|
throw std::runtime_error("Can't create boolean guidepost with non-boolean type");
|
|
}
|
|
}
|
|
|
|
static inline antithesis::BooleanGuidepost<GuidanceDataType> guidepost = create();
|
|
};
|
|
|
|
template<typename NumericType, antithesis::GuidepostType type, fixed_string message, fixed_string file_name, fixed_string function_name, int line, int column>
|
|
struct NumericGuidanceCatalogEntry {
|
|
[[clang::always_inline]] static inline antithesis::NumericGuidepost<NumericType> create() {
|
|
antithesis::LocationInfo location{ "", function_name.c_str(), file_name.c_str(), line, column };
|
|
switch (type) {
|
|
case antithesis::GUIDEPOST_MAXIMIZE:
|
|
case antithesis::GUIDEPOST_MINIMIZE:
|
|
return antithesis::NumericGuidepost<NumericType>(message.c_str(), std::move(location), type);
|
|
default:
|
|
throw std::runtime_error("Can't create numeric guidepost with non-numeric type");
|
|
}
|
|
}
|
|
|
|
static inline antithesis::NumericGuidepost<NumericType> guidepost = create();
|
|
};
|
|
}
|
|
|
|
#define FIXED_STRING_FROM_C_STR(s) (fixed_string<string_length(s)+1>::from_c_str(s))
|
|
|
|
#define _NL_1(foo) { #foo, foo }
|
|
#define _NL_2(foo, ...) { #foo, foo }, _NL_1(__VA_ARGS__)
|
|
#define _NL_3(foo, ...) { #foo, foo }, _NL_2(__VA_ARGS__)
|
|
#define _NL_4(foo, ...) { #foo, foo }, _NL_3(__VA_ARGS__)
|
|
#define _NL_5(foo, ...) { #foo, foo }, _NL_4(__VA_ARGS__)
|
|
#define _NL_6(foo, ...) { #foo, foo }, _NL_5(__VA_ARGS__)
|
|
#define _NL_7(foo, ...) { #foo, foo }, _NL_6(__VA_ARGS__)
|
|
#define _NL_8(foo, ...) { #foo, foo }, _NL_7(__VA_ARGS__)
|
|
#define _NL_9(foo, ...) { #foo, foo }, _NL_8(__VA_ARGS__)
|
|
#define _NL_10(foo, ...) { #foo, foo }, _NL_9(__VA_ARGS__)
|
|
|
|
#define _ELEVENTH_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
|
|
|
|
#define _GET_NL(...) \
|
|
_ELEVENTH_ARG(__VA_ARGS__, _NL_10, _NL_9, _NL_8, _NL_7, _NL_6, _NL_5, _NL_4, _NL_3, _NL_2, _NL_1)
|
|
|
|
#define NAMED_LIST(...) { _GET_NL(__VA_ARGS__)(__VA_ARGS__) }
|
|
|
|
#define ANTITHESIS_ASSERT_RAW(type, cond, message, ...) ( \
|
|
CatalogEntry< \
|
|
type, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(cond, (antithesis::JSON(__VA_ARGS__)) ) )
|
|
|
|
#define ALWAYS(cond, message, ...) ANTITHESIS_ASSERT_RAW(antithesis::ALWAYS_ASSERTION, cond, message, __VA_ARGS__)
|
|
#define ALWAYS_OR_UNREACHABLE(cond, message, ...) ANTITHESIS_ASSERT_RAW(antithesis::ALWAYS_OR_UNREACHABLE_ASSERTION, cond, message, __VA_ARGS__)
|
|
#define SOMETIMES(cond, message, ...) ANTITHESIS_ASSERT_RAW(antithesis::SOMETIMES_ASSERTION, cond, message, __VA_ARGS__)
|
|
#define REACHABLE(message, ...) ANTITHESIS_ASSERT_RAW(antithesis::REACHABLE_ASSERTION, true, message, __VA_ARGS__)
|
|
#define UNREACHABLE(message, ...) ANTITHESIS_ASSERT_RAW(antithesis::UNREACHABLE_ASSERTION, false, message, __VA_ARGS__)
|
|
|
|
#define ALWAYS_GREATER_THAN(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in ALWAYS_GREATER_THAN must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::ALWAYS_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left > right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MINIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define ALWAYS_GREATER_THAN_OR_EQUAL_TO(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in ALWAYS_GREATER_THAN_OR_EQUAL_TO must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::ALWAYS_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left >= right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MINIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define SOMETIMES_GREATER_THAN(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in SOMETIMES_GREATER_THAN must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::SOMETIMES_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left > right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MAXIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define SOMETIMES_GREATER_THAN_OR_EQUAL_TO(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in SOMETIMES_GREATER_THAN_OR_EQUAL_TO must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::SOMETIMES_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left >= right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MAXIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define ALWAYS_LESS_THAN(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in ALWAYS_LESS_THAN must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::ALWAYS_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left < right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MAXIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define ALWAYS_LESS_THAN_OR_EQUAL_TO(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in ALWAYS_LESS_THAN_OR_EQUAL_TO must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::ALWAYS_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left <= right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MAXIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define SOMETIMES_LESS_THAN(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in SOMETIMES_LESS_THAN must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::SOMETIMES_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left < right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MINIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define SOMETIMES_LESS_THAN_OR_EQUAL_TO(left, right, message, ...) \
|
|
do { \
|
|
static_assert(std::is_same_v<decltype(left), decltype(right)>, "Values compared in SOMETIMES_LESS_THAN_OR_EQUAL_TO must be of same type"); \
|
|
CatalogEntry< \
|
|
antithesis::SOMETIMES_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(left <= right, (antithesis::JSON(__VA_ARGS__, {{ "left", left }, { "right", right }})) ); \
|
|
NumericGuidanceCatalogEntry< \
|
|
decltype(left), \
|
|
antithesis::GUIDEPOST_MINIMIZE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance({ left, right }); \
|
|
} while (0)
|
|
|
|
#define ALWAYS_SOME(pairs, message, ...) \
|
|
do { \
|
|
bool disjunction = false; \
|
|
for (std::pair<std::string, bool> pair : pairs) { \
|
|
if (pair.second) { \
|
|
disjunction = true; \
|
|
break; \
|
|
} \
|
|
} \
|
|
CatalogEntry< \
|
|
antithesis::ALWAYS_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(disjunction, (antithesis::JSON(__VA_ARGS__, pairs)) ); \
|
|
antithesis::json json_pairs = antithesis::json(pairs); \
|
|
BooleanGuidanceCatalogEntry< \
|
|
decltype(json_pairs), \
|
|
antithesis::GUIDEPOST_NONE, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance(json_pairs); \
|
|
} while (0)
|
|
|
|
#define SOMETIMES_ALL(pairs, message, ...) \
|
|
do { \
|
|
bool conjunction = true; \
|
|
for (std::pair<std::string, bool> pair : pairs) { \
|
|
if (!pair.second) { \
|
|
conjunction = false; \
|
|
break; \
|
|
} \
|
|
} \
|
|
CatalogEntry< \
|
|
antithesis::SOMETIMES_ASSERTION, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::assertion.check_assertion(conjunction, (antithesis::JSON(__VA_ARGS__, pairs)) ); \
|
|
antithesis::json json_pairs = antithesis::json(pairs); \
|
|
BooleanGuidanceCatalogEntry< \
|
|
decltype(json_pairs), \
|
|
antithesis::GUIDEPOST_ALL, \
|
|
fixed_string(message), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().file_name()), \
|
|
FIXED_STRING_FROM_C_STR(std::source_location::current().function_name()), \
|
|
std::source_location::current().line(), \
|
|
std::source_location::current().column() \
|
|
>::guidepost.send_guidance(json_pairs); \
|
|
} while (0)
|
|
|
|
#endif
|
|
|
|
namespace antithesis {
|
|
template <typename Iter>
|
|
Iter random_choice(Iter begin, Iter end) {
|
|
ssize_t num_things = end - begin;
|
|
if (num_things == 0) {
|
|
return end;
|
|
}
|
|
|
|
uint64_t uval = get_random();
|
|
ssize_t index = uval % num_things;
|
|
return begin + index;
|
|
}
|
|
}
|