Common C++ classes and routines used by my applications such as argument parser, IO and conversion utilities
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

85 lines
2.0 KiB

#include "../math/math.h"
#include "../tests/testutils.h"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
using namespace MathUtilities;
using namespace TestUtilities::Literals;
using namespace CPPUNIT_NS;
namespace MathUtilities {
static_assert(min(1, 2, 3) == 1, "min");
static_assert(min(3, 2, 1) == 1, "min");
static_assert(min(3, 4, 2, 1) == 1, "min");
static_assert(min(3, 4, -2, 2, 1) == -2, "min");
static_assert(max(1, 2, 3) == 3, "max");
static_assert(max(3, 2, 1) == 3, "max");
static_assert(max(3, 4, 2, 1) == 4, "max");
static_assert(max(3, -2, 4, 2, 1) == 4, "max");
} // namespace MathUtilities
/*!
* \brief The MathTests class tests functions of the MathUtilities namespace.
*/
class MathTests : public TestFixture {
CPPUNIT_TEST_SUITE(MathTests);
CPPUNIT_TEST(testDigitsum);
CPPUNIT_TEST(testFactorial);
CPPUNIT_TEST(testPowerModulo);
CPPUNIT_TEST(testInverseModulo);
CPPUNIT_TEST(testOrderModulo);
CPPUNIT_TEST_SUITE_END();
public:
void setUp()
{
}
void tearDown()
{
}
void testDigitsum();
void testFactorial();
void testPowerModulo();
void testInverseModulo();
void testOrderModulo();
};
CPPUNIT_TEST_SUITE_REGISTRATION(MathTests);
void MathTests::testDigitsum()
{
CPPUNIT_ASSERT_EQUAL(0, digitsum(0));
CPPUNIT_ASSERT_EQUAL(7, digitsum(16));
CPPUNIT_ASSERT_EQUAL(1, digitsum(16, 16));
}
void MathTests::testFactorial()
{
CPPUNIT_ASSERT_EQUAL(6, factorial(3));
}
void MathTests::testPowerModulo()
{
CPPUNIT_ASSERT_EQUAL(25_uint64, powerModulo(5, 2, 30));
CPPUNIT_ASSERT_EQUAL(5_uint64, powerModulo(5, 2, 20));
}
void MathTests::testInverseModulo()
{
CPPUNIT_ASSERT_EQUAL(-12_int64, inverseModulo(2, 25));
CPPUNIT_ASSERT_EQUAL(-8_int64, inverseModulo(3, 25));
}
void MathTests::testOrderModulo()
{
CPPUNIT_ASSERT_EQUAL(20_uint64, orderModulo(2, 25));
CPPUNIT_ASSERT_EQUAL(5_uint64, orderModulo(6, 25));
CPPUNIT_ASSERT_EQUAL(0_uint64, orderModulo(5, 25));
}