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#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && defined(__CONFIG_H__) | ||
# error test.h must be #included before system headers | ||
#endif | ||
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int main() { | ||
int x = 1 + 2; | ||
} |
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#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && defined(__CONFIG_H__) | ||
# error test.h must be #included before system headers | ||
#endif | ||
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#include <cinttypes> | ||
#include <cstddef> | ||
#include <functional> | ||
#include <string> | ||
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#ifdef _MSC_VER | ||
#define thread_local __declspec(thread) | ||
#elif __APPLE__ | ||
#define thread_local __thread | ||
#endif | ||
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static thread_local bool __dredd_some_mutation_enabled = true; | ||
static bool __dredd_enabled_mutation(int local_mutation_id) { | ||
static thread_local bool initialized = false; | ||
static thread_local uint64_t enabled_bitset[1]; | ||
if (!initialized) { | ||
bool some_mutation_enabled = false; | ||
const char* dredd_environment_variable = std::getenv("DREDD_ENABLED_MUTATION"); | ||
if (dredd_environment_variable != nullptr) { | ||
std::string contents(dredd_environment_variable); | ||
while (true) { | ||
size_t pos = contents.find(","); | ||
std::string token = (pos == std::string::npos ? contents : contents.substr(0, pos)); | ||
if (!token.empty()) { | ||
int value = std::stoi(token); | ||
int local_value = value - 0; | ||
if (local_value >= 0 && local_value < 17) { | ||
enabled_bitset[local_value / 64] |= (1 << (local_value % 64)); | ||
some_mutation_enabled = true; | ||
} | ||
} | ||
if (pos == std::string::npos) { | ||
break; | ||
} | ||
contents.erase(0, pos + 1); | ||
} | ||
} | ||
initialized = true; | ||
__dredd_some_mutation_enabled = some_mutation_enabled; | ||
} | ||
return (enabled_bitset[local_mutation_id / 64] & (1 << (local_mutation_id % 64))) != 0; | ||
} | ||
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static int __dredd_replace_expr_int_one(int arg, int local_mutation_id) { | ||
if (!__dredd_some_mutation_enabled) return arg; | ||
if (__dredd_enabled_mutation(local_mutation_id + 0)) return ~(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 1)) return 0; | ||
if (__dredd_enabled_mutation(local_mutation_id + 2)) return -1; | ||
return arg; | ||
} | ||
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static int __dredd_replace_expr_int_constant(int arg, int local_mutation_id) { | ||
if (!__dredd_some_mutation_enabled) return arg; | ||
if (__dredd_enabled_mutation(local_mutation_id + 0)) return ~(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 1)) return -(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 2)) return 0; | ||
if (__dredd_enabled_mutation(local_mutation_id + 3)) return 1; | ||
if (__dredd_enabled_mutation(local_mutation_id + 4)) return -1; | ||
return arg; | ||
} | ||
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static int __dredd_replace_binary_operator_Add_arg1_int_arg2_int_lhs_one(int arg1, int arg2, int local_mutation_id) { | ||
if (!__dredd_some_mutation_enabled) return arg1 + arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 0)) return arg1 / arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 1)) return arg1 % arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 2)) return arg1 - arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 3)) return arg2; | ||
return arg1 + arg2; | ||
} | ||
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int main() { | ||
int x = __dredd_replace_expr_int_constant(__dredd_replace_binary_operator_Add_arg1_int_arg2_int_lhs_one(__dredd_replace_expr_int_one(1, 0) , __dredd_replace_expr_int_constant(2, 3), 8), 12); | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,73 @@ | ||
#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && defined(__CONFIG_H__) | ||
# error test.h must be #included before system headers | ||
#endif | ||
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#include <cinttypes> | ||
#include <cstddef> | ||
#include <functional> | ||
#include <string> | ||
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#ifdef _MSC_VER | ||
#define thread_local __declspec(thread) | ||
#elif __APPLE__ | ||
#define thread_local __thread | ||
#endif | ||
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static thread_local bool __dredd_some_mutation_enabled = true; | ||
static bool __dredd_enabled_mutation(int local_mutation_id) { | ||
static thread_local bool initialized = false; | ||
static thread_local uint64_t enabled_bitset[1]; | ||
if (!initialized) { | ||
bool some_mutation_enabled = false; | ||
const char* dredd_environment_variable = std::getenv("DREDD_ENABLED_MUTATION"); | ||
if (dredd_environment_variable != nullptr) { | ||
std::string contents(dredd_environment_variable); | ||
while (true) { | ||
size_t pos = contents.find(","); | ||
std::string token = (pos == std::string::npos ? contents : contents.substr(0, pos)); | ||
if (!token.empty()) { | ||
int value = std::stoi(token); | ||
int local_value = value - 0; | ||
if (local_value >= 0 && local_value < 24) { | ||
enabled_bitset[local_value / 64] |= (1 << (local_value % 64)); | ||
some_mutation_enabled = true; | ||
} | ||
} | ||
if (pos == std::string::npos) { | ||
break; | ||
} | ||
contents.erase(0, pos + 1); | ||
} | ||
} | ||
initialized = true; | ||
__dredd_some_mutation_enabled = some_mutation_enabled; | ||
} | ||
return (enabled_bitset[local_mutation_id / 64] & (1 << (local_mutation_id % 64))) != 0; | ||
} | ||
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static int __dredd_replace_expr_int(int arg, int local_mutation_id) { | ||
if (!__dredd_some_mutation_enabled) return arg; | ||
if (__dredd_enabled_mutation(local_mutation_id + 0)) return !(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 1)) return ~(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 2)) return -(arg); | ||
if (__dredd_enabled_mutation(local_mutation_id + 3)) return 0; | ||
if (__dredd_enabled_mutation(local_mutation_id + 4)) return 1; | ||
if (__dredd_enabled_mutation(local_mutation_id + 5)) return -1; | ||
return arg; | ||
} | ||
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static int __dredd_replace_binary_operator_Add_arg1_int_arg2_int(int arg1, int arg2, int local_mutation_id) { | ||
if (!__dredd_some_mutation_enabled) return arg1 + arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 0)) return arg1 / arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 1)) return arg1 * arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 2)) return arg1 % arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 3)) return arg1 - arg2; | ||
if (__dredd_enabled_mutation(local_mutation_id + 4)) return arg1; | ||
if (__dredd_enabled_mutation(local_mutation_id + 5)) return arg2; | ||
return arg1 + arg2; | ||
} | ||
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int main() { | ||
int x = __dredd_replace_expr_int(__dredd_replace_binary_operator_Add_arg1_int_arg2_int(__dredd_replace_expr_int(1, 0) , __dredd_replace_expr_int(2, 6), 12), 18); | ||
} |