prime_factors: initial commit

cpp/prime-factors/prime_factors_test.cpp

@@ -0,0 +1,95 @@
+#include "prime_factors.h"
+#define BOOST_TEST_MAIN
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(_1_yields_empty)
+{
+    const std::vector<int> expected{};
+
+    const std::vector<int> actual{prime_factors::of(1)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+#if defined(EXERCISM_RUN_ALL_TESTS)
+BOOST_AUTO_TEST_CASE(_2_yields_2)
+{
+    const std::vector<int> expected{2};
+
+    const std::vector<int> actual{prime_factors::of(2)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_3_yields_3)
+{
+    const std::vector<int> expected{3};
+
+    const std::vector<int> actual{prime_factors::of(3)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_4_yields_2_2)
+{
+    const std::vector<int> expected{2, 2};
+
+    const std::vector<int> actual{prime_factors::of(4)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_6_yields_2_3)
+{
+    const std::vector<int> expected{2, 3};
+
+    const std::vector<int> actual{prime_factors::of(6)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_8_yields_2_2_2)
+{
+    const std::vector<int> expected{2, 2, 2};
+
+    const std::vector<int> actual{prime_factors::of(8)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_9_yields_3_3)
+{
+    const std::vector<int> expected{3, 3};
+
+    const std::vector<int> actual{prime_factors::of(9)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_27_yields_3_3_3)
+{
+    const std::vector<int> expected{3, 3, 3};
+
+    const std::vector<int> actual{prime_factors::of(27)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_625_yields_5_5_5_5)
+{
+    const std::vector<int> expected{5, 5, 5, 5};
+
+    const std::vector<int> actual{prime_factors::of(625)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+
+BOOST_AUTO_TEST_CASE(_901255_yields_5_17_23_461)
+{
+    const std::vector<int> expected{5, 17, 23, 461};
+
+    const std::vector<int> actual{prime_factors::of(901255)};
+
+    BOOST_REQUIRE_EQUAL_COLLECTIONS(expected.begin(), expected.end(), actual.begin(), actual.end());
+}
+#endif