Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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coding/coding_tests/reader_test.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "testing/testing.hpp"
+
+#include "coding/reader.hpp"
+
+#include <string>
+
+namespace
+{
+  template <class ReaderT>
+  void ReadToStringFromPos(ReaderT const & reader, std::string & str, uint64_t pos, size_t size)
+  {
+    str.resize(size);
+    reader.Read(pos, &str[0], str.size());
+  }
+
+  template <class SourceT>
+  void ReadToStringFromSource(SourceT & source, std::string & str, size_t size)
+  {
+    str.resize(size);
+    source.Read(&str[0], str.size());
+  }
+}
+
+template <typename ReaderT>
+void TestReader(ReaderT const & reader)
+{
+  ReaderSource<ReaderT> source(reader);
+  std::string d1;
+  ReadToStringFromSource(source, d1, 6);
+  TEST_EQUAL(d1, "Quick ", ());
+
+  ReadToStringFromSource(source, d1, 6);
+  TEST_EQUAL(d1, "brown ", ());
+
+  ReaderT subReader = source.SubReader(10);
+  ReadToStringFromPos(subReader, d1, 1, 3);
+  TEST_EQUAL(d1, "ox ", ());
+
+  ReaderT subSubReader = subReader.SubReader(2, 8);
+  ReadToStringFromPos(subSubReader, d1, 0, 2);
+  TEST_EQUAL(d1, "x ", ());
+
+  ReadToStringFromSource(source, d1, 5);
+  TEST_EQUAL(d1, "over ", ());
+
+  ReaderSource<ReaderT> subReaderSource(subReader);
+  ReadToStringFromSource(subReaderSource, d1, 6);
+  TEST_EQUAL(d1, "fox ju", ());
+}
+