CCBigNum CCBigNum::operator-(uint32_t b) const
{
CCStatus status = kCCSuccess;
CCBigNumRef result = CCCreateBigNum(&status);
RELEASE_ASSERT(!status);
status = CCBigNumSubI(result, m_number, b);
RELEASE_ASSERT(!status);
return result;
}
static int testAddSubI()
{
CCStatus status;
char *hex1 = "1002030405060708090021222324252627282920";
char *result = "1002030405060708090021222324252627282921";
CCBigNumRef num1 = CCBigNumFromHexString(&status, hex1);
CCBigNumRef output = CCCreateBigNum(&status);
CCBigNumRef resultExpected = CCBigNumFromHexString(&status, result);
status = CCBigNumAddI(output, num1, 1);
ok(status == 0, "operation completed");
ok(CCBigNumCompare(output, resultExpected) == 0, "expected operation result");
status = CCBigNumSubI(output, output, 1);
ok(status == 0, "operation completed");
ok(CCBigNumCompare(output, num1) == 0, "expected operation result");
CCBigNumFree(num1);
CCBigNumFree(output);
CCBigNumFree(resultExpected);
return 0;
}