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coding/coding_tests/map_uint32_to_val_tests.cpp

@@ -0,0 +1,108 @@
+#include "testing/testing.hpp"
+
+#include "coding/map_uint32_to_val.hpp"
+#include "coding/reader.hpp"
+#include "coding/varint.hpp"
+#include "coding/writer.hpp"
+
+#include <utility>
+#include <vector>
+
+namespace map_uint32_tests
+{
+using namespace std;
+
+using BufferT = vector<uint8_t>;
+using ValuesT = vector<uint32_t>;
+using BuilderT = MapUint32ToValueBuilder<uint32_t>;
+using MapT = MapUint32ToValue<uint32_t>;
+
+UNIT_TEST(MapUint32Val_Small)
+{
+  {
+    BuilderT builder;
+    BufferT buffer;
+    MemWriter writer(buffer);
+    builder.Freeze(writer, [](Writer &, auto, auto) {});
+
+    LOG(LINFO, ("Empty map size =", buffer.size()));
+
+    MemReader reader(buffer.data(), buffer.size());
+    auto map = MapT::Load(reader, [](NonOwningReaderSource &, uint32_t, ValuesT &) {});
+
+    TEST_EQUAL(map->Count(), 0, ());
+    uint32_t dummy;
+    TEST(!map->Get(1, dummy), ());
+  }
+
+  {
+    BuilderT builder;
+    builder.Put(1, 777);
+    BufferT buffer;
+    MemWriter writer(buffer);
+    builder.Freeze(writer, [](Writer & writer, auto b, auto e)
+    {
+      WriteVarUint(writer, *b++);
+      TEST(b == e, ());
+    });
+
+    MemReader reader(buffer.data(), buffer.size());
+    auto map = MapT::Load(reader, [](NonOwningReaderSource & source, uint32_t blockSize, ValuesT & values)
+    {
+      TEST_EQUAL(blockSize, 1, ("GetThreadsafe should pass optimal blockSize"));
+      while (source.Size() > 0)
+        values.push_back(ReadVarUint<uint32_t>(source));
+      TEST_EQUAL(values.size(), 1, ());
+    });
+
+    TEST_EQUAL(map->Count(), 1, ());
+    uint32_t val;
+    TEST(map->GetThreadsafe(1, val), ());
+    TEST_EQUAL(val, 777, ());
+  }
+}
+
+UNIT_TEST(MapUint32Val_Smoke)
+{
+  vector<pair<uint32_t, uint32_t>> data;
+  size_t const dataSize = 227;
+  data.resize(dataSize);
+  for (size_t i = 0; i < data.size(); ++i)
+    data[i] = make_pair(static_cast<uint32_t>(i), static_cast<uint32_t>(i));
+
+  BufferT buffer;
+  {
+    BuilderT builder;
+    for (auto const & d : data)
+      builder.Put(d.first, d.second);
+
+    MemWriter writer(buffer);
+    builder.Freeze(writer, [](Writer & w, BuilderT::Iter begin, BuilderT::Iter end)
+    {
+      for (auto it = begin; it != end; ++it)
+        WriteToSink(w, *it);
+    });
+  }
+
+  {
+    MemReader reader(buffer.data(), buffer.size());
+    auto table = MapUint32ToValue<uint32_t>::Load(reader, [](NonOwningReaderSource & source, uint32_t blockSize,
+                                                             ValuesT & values)
+    {
+      values.reserve(blockSize);
+      while (source.Size() > 0)
+        values.push_back(ReadPrimitiveFromSource<uint32_t>(source));
+    });
+    TEST(table.get(), ());
+
+    for (auto const & d : data)
+    {
+      uint32_t res;
+      TEST(table->Get(d.first, res), ());
+      TEST_EQUAL(res, d.second, ());
+      TEST(table->GetThreadsafe(d.first, res), ());
+      TEST_EQUAL(res, d.second, ());
+    }
+  }
+}
+} // namespace map_uint32_tests