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#include "../misc/math.h"
#include "../tests/testutils.h"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
using namespace CppUtilities;
using namespace CppUtilities::Literals;
using namespace CPPUNIT_NS;
namespace CppUtilities {
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 CppUtilities
/*!
* \brief The MathTests class tests functions provided by misc/math.h.
*/
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(25u, powerModulo(5u, 2u, 30u));
CPPUNIT_ASSERT_EQUAL(5u, powerModulo(5u, 2u, 20u));
}
void MathTests::testInverseModulo()
{
CPPUNIT_ASSERT_EQUAL(-12u, inverseModulo(2u, 25u));
CPPUNIT_ASSERT_EQUAL(-8u, inverseModulo(3u, 25u));
}
void MathTests::testOrderModulo()
{
CPPUNIT_ASSERT_EQUAL(20u, orderModulo(2u, 25u));
CPPUNIT_ASSERT_EQUAL(5u, orderModulo(6u, 25u));
CPPUNIT_ASSERT_EQUAL(0u, orderModulo(5u, 25u));
}
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