Repo created

3party/succinct/test_mapper.cpp

@@ -0,0 +1,77 @@
+#define BOOST_TEST_MODULE mapper
+#include "test_common.hpp"
+
+#include <boost/filesystem.hpp>
+
+#include "mapper.hpp"
+
+BOOST_AUTO_TEST_CASE(basic_map)
+{
+    succinct::mapper::mappable_vector<int> vec;
+    BOOST_REQUIRE_EQUAL(vec.size(), 0U);
+
+    int nums[] = {1, 2, 3, 4};
+    vec.assign(nums);
+
+    BOOST_REQUIRE_EQUAL(4U, vec.size());
+    BOOST_REQUIRE_EQUAL(1, vec[0]);
+    BOOST_REQUIRE_EQUAL(4, vec[3]);
+
+    succinct::mapper::freeze(vec, "temp.bin");
+
+    {
+        succinct::mapper::mappable_vector<int> mapped_vec;
+        boost::iostreams::mapped_file_source m("temp.bin");
+        succinct::mapper::map(mapped_vec, m);
+        BOOST_REQUIRE_EQUAL(vec.size(), mapped_vec.size());
+        BOOST_REQUIRE(std::equal(vec.begin(), vec.end(), mapped_vec.begin()));
+    }
+
+    boost::filesystem::remove("temp.bin");
+}
+
+class complex_struct {
+public:
+    complex_struct()
+        : m_a(0)
+    {}
+
+    void init() {
+        m_a = 42;
+        uint32_t b[] = {1, 2};
+        m_b.assign(b);
+    }
+
+    template <typename Visitor>
+    void map(Visitor& visit) {
+        visit
+            (m_a, "m_a")
+            (m_b, "m_b")
+            ;
+    }
+
+    uint64_t m_a;
+    succinct::mapper::mappable_vector<uint32_t> m_b;
+};
+
+BOOST_AUTO_TEST_CASE(complex_struct_map)
+{
+    complex_struct s;
+    s.init();
+    succinct::mapper::freeze(s, "temp.bin");
+
+    BOOST_REQUIRE_EQUAL(24, succinct::mapper::size_of(s));
+
+    complex_struct mapped_s;
+    BOOST_REQUIRE_EQUAL(0, mapped_s.m_a);
+    BOOST_REQUIRE_EQUAL(0U, mapped_s.m_b.size());
+
+    {
+        boost::iostreams::mapped_file_source m("temp.bin");
+        succinct::mapper::map(mapped_s, m);
+        BOOST_REQUIRE_EQUAL(s.m_a, mapped_s.m_a);
+        BOOST_REQUIRE_EQUAL(s.m_b.size(), mapped_s.m_b.size());
+    }
+
+    boost::filesystem::remove("temp.bin");
+}