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