thodg/libgit2/tests/util/integer.c
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Hash : e6d93612
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Date : 2021-11-16T23:59:43
refactor: move utility tests into util
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tests/util/integer.c
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#include "clar_libgit2.h" void test_integer__multiply_int64_no_overflow(void) { #if !defined(git__multiply_int64_overflow) int64_t result = 0; cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x0), INT64_C(-0x8000000000000000))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x1)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x1)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(-0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x800000000000000))); cl_assert_equal_i(result, INT64_C(-0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(-0x1)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x1)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(-0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x800000000000000))); cl_assert_equal_i(result, INT64_C(-0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x7fffffffffffffff))); cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(0x4)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(-0x4)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x800000000000000))); cl_assert_equal_i(result, INT64_C(-0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(-0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x2)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(-0x4)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(0x4)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x7ffffffffffffff))); cl_assert_equal_i(result, INT64_C(0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x800000000000000))); cl_assert_equal_i(result, INT64_C(-0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x800000000000000))); cl_assert_equal_i(result, INT64_C(0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x4000000000000000))); cl_assert_equal_i(result, INT64_C(-0x8000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(-0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x7ffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(-0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(0xffffffffffffffe)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(-0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(-0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x800000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(-0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x2))); cl_assert_equal_i(result, INT64_C(0x1000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x4000000000000000), INT64_C(0x2))); cl_assert_equal_i(result, INT64_C(-0x8000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x1))); cl_assert_equal_i(result, INT64_C(-0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(0x7fffffffffffffff)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x0))); cl_assert_equal_i(result, INT64_C(0x0)); #endif } void test_integer__multiply_int64_overflow(void) { #if !defined(git__multiply_int64_overflow) int64_t result = 0; cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x4000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x2), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x2), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7ffffffffffffff), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7ffffffffffffff), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x800000000000000), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x800000000000000), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x4000000000000000), INT64_C(0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x7fffffffffffffff), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x7fffffffffffffff), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x2))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x7ffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x800000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x7fffffffffffffff))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x8000000000000000))); #endif } void test_integer__multiply_int64_edge_cases(void) { #if !defined(git__multiply_int64_overflow) int64_t result = 0; cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(-0x1))); cl_assert_equal_i(result, INT64_C(-0x8000000000000000)); cl_assert(!git__multiply_int64_overflow(&result, INT64_C(-0x1), INT64_C(-0x8000000000000000))); cl_assert_equal_i(result, INT64_C(-0x8000000000000000)); cl_assert(git__multiply_int64_overflow(&result, INT64_C(0x1), INT64_C(-0x8000000000000000))); cl_assert(git__multiply_int64_overflow(&result, INT64_C(-0x8000000000000000), INT64_C(0x1))); #endif }