Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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storage/storage_tests/simple_tree_test.cpp

@@ -0,0 +1,49 @@
+#include "testing/testing.hpp"
+
+#include "storage/country_tree.hpp"
+
+UNIT_TEST(CountryTree_Smoke)
+{
+  using Tree = storage::CountryTree::Node;
+  using Value = storage::Country;
+
+  Tree tree(Value("0"), nullptr);
+
+  tree.AddAtDepth(1, Value("4"));
+  tree.AddAtDepth(1, Value("3"));
+  tree.AddAtDepth(1, Value("5"));
+  tree.AddAtDepth(1, Value("2"));
+  tree.AddAtDepth(1, Value("1"));
+  tree.AddAtDepth(2, Value("20"));
+  tree.AddAtDepth(2, Value("10"));
+  tree.AddAtDepth(2, Value("30"));
+
+  // children test
+  TEST_EQUAL(tree.Child(0).Value().Name(), "4", ());
+  TEST_EQUAL(tree.Child(1).Value().Name(), "3", ());
+  TEST_EQUAL(tree.Child(2).Value().Name(), "5", ());
+  TEST_EQUAL(tree.Child(3).Value().Name(), "2", ());
+  TEST_EQUAL(tree.Child(4).Value().Name(), "1", ());
+  TEST_EQUAL(tree.Child(4).Child(0).Value().Name(), "20", ());
+  TEST_EQUAL(tree.Child(4).Child(1).Value().Name(), "10", ());
+  TEST_EQUAL(tree.Child(4).Child(2).Value().Name(), "30", ());
+
+  // parent test
+  TEST(!tree.HasParent(), ());
+  TEST(!tree.Child(0).Parent().HasParent(), ());
+  TEST_EQUAL(tree.Child(4).Child(0).Parent().Value().Name(), "1", ());
+  TEST_EQUAL(tree.Child(4).Child(2).Parent().Value().Name(), "1", ());
+
+  size_t count = 0;
+  auto countCallback = [&count](Tree const &) { ++count; };
+  tree.ForEachChild(countCallback);
+  TEST_EQUAL(count, 5, ());
+
+  count = 0;
+  tree.ForEachDescendant(countCallback);
+  TEST_EQUAL(count, 8, ());
+
+  count = 0;
+  tree.Child(4).Child(0).ForEachAncestorExceptForTheRoot(countCallback);
+  TEST_EQUAL(count, 1, ());
+}