diff options
Diffstat (limited to 'test/point_quad_tree/test_main.cpp')
-rw-r--r-- | test/point_quad_tree/test_main.cpp | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/test/point_quad_tree/test_main.cpp b/test/point_quad_tree/test_main.cpp new file mode 100644 index 0000000..605e410 --- /dev/null +++ b/test/point_quad_tree/test_main.cpp @@ -0,0 +1,477 @@ +/************************************************************************* + * + * Copyright (c) 2010 Kohei Yoshida + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + ************************************************************************/ + +#include "test_global.hpp" // This must be the first header to be included. +#include "mdds/point_quad_tree.hpp" + +#include <algorithm> +#include <memory> +#include <vector> +#include <sstream> +#include <boost/cstdint.hpp> + +using namespace std; +using namespace mdds; +using ::boost::uint16_t; + +struct data_printer +{ + void operator()(const string* p) + { + cout << *p << " "; + } +}; + +template<typename _DbType> +struct search_result_printer +{ + void operator()(const pair<const typename _DbType::point, const typename _DbType::value_type>& r) const + { + cout << " (x=" << r.first.x << ", y=" << r.first.y << ", value='" << *r.second << "')" << endl; + } +}; + +void pqt_test_basic() +{ + stack_printer __stack_printer__("::pqt_test"); + typedef point_quad_tree<uint16_t, const string*> db_type; + db_type db; + + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + string G("G"); + string H("H"); + string I("I"); + string J("J"); + string K("K"); + string L("L"); + string M("M"); + string N("N"); + + db.insert(25, 32, &A); + db.insert(5, 45, &B); + db.insert(52, 10, &C); + db.insert(80, 5, &D); + db.insert(40, 50, &E); + db.insert(10, 10, &F); + db.insert(20, 20, &G); + db.insert(80, 80, &H); + db.insert(58, 46, &I); + db.insert(36, 55, &J); + db.insert(26, 52, &K); + db.insert(38, 68, &L); + db.insert(39, 78, &M); + db.insert(72, 52, &N); + + assert(db.size() == 14); + + cout << "node count = " << get_node_instance_count() << endl; + db.dump_tree_svg("./obj/test.svg"); + + { + db_type::data_array_type result; + db.search_region(10, 10, 60, 20, result); + cout << "search region: (10, 10, 60, 20)" << endl; + cout << "result: "; + for_each(result.begin(), result.end(), data_printer()); + cout << endl; + + result.clear(); + db.search_region(10, 10, 61, 61, result); + cout << "search region: (10, 10, 61, 61)" << endl; + cout << "result: "; + for_each(result.begin(), result.end(), data_printer()); + cout << endl; + } + + db_type::search_results result = db.search_region(10, 10, 60, 20); + db_type::search_results::const_iterator itr = result.begin(), itr_end = result.end(); + cout << "result: " << endl; + for_each(result.begin(), result.end(), search_result_printer<db_type>()); + + result = db.search_region(10, 10, 61, 61); + itr = result.begin(), itr_end = result.end(); + cout << "result: " << endl; + for_each(result.begin(), result.end(), search_result_printer<db_type>()); + + db.remove(20, 20); + db.remove(40, 50); + assert(db.size() == 12); + db.dump_tree_svg("./obj/test-remove.svg"); + + db.clear(); + assert(db.empty()); + assert(db.size() == 0); +} + +void pqt_test_insertion_removal() +{ + stack_printer __stack_printer__("::pqt_test_insertion_removal"); + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db; + + // Check its empty-ness... + assert(db.empty()); + assert(db.size() == 0); + + // Create all data instances. + vector<unique_ptr<string>> data_store; + data_store.reserve(100); + for (size_t i = 0; i < 100; ++i) + { + ostringstream os; + os << "0x" << hex << i; + data_store.emplace_back(new string(os.str())); + } + + vector<db_type::node_data> expected; + + // Insert data one by one, and verify each insertion. + for (int32_t i = 0; i < 10; ++i) + { + for (int32_t j = 0; j < 10; ++j) + { + int32_t x = i * 10 + 1, y = j * 10 + 1; + size_t index = i * 10 + j; + const string* data_ptr = data_store[index].get(); + cout << "inserting '" << *data_ptr << "' at (" << x << "," << y << ")" << endl; + db.insert(x, y, data_ptr); + expected.push_back(db_type::node_data(x, y, data_ptr)); + + vector<db_type::node_data> stored_data; + db.get_all_stored_data(stored_data); + assert(stored_data.size() == (index + 1)); + assert(db.size() == (index + 1)); + assert(!db.empty()); + bool success = db.verify_data(expected); + assert(success); + } + } + db.dump_tree_svg("./obj/pqt_test_insertion.svg"); + + // Remove data one by one, and check the size after each removal. + size_t node_count = 100; + for (int32_t i = 0; i < 10; ++i) + { + for (int32_t j = 0; j < 10; ++j) + { + int32_t x = i * 10 + 1, y = j * 10 + 1; + db.remove(x, y); + size_t n = db.size(); + cout << "removing node at (" << x << "," << y << ") " + << "size after removal: " << n << endl; + --node_count; + assert(node_count == n); + } + } +} + +void pqt_test_remove_root() +{ + stack_printer __stack_printer__("::pqt_test_remove_root"); + typedef point_quad_tree<int32_t, const string*> db_type; + string O("O"); + string NW("NW"); + string NE("NE"); + string SW("SW"); + string SE("SE"); + db_type db; + + // Insert all data and verify their storage. + db.insert(10, 10, &O); + db.insert(20, 0, &NE); + db.insert(0, 0, &NW); + db.insert(20, 20, &SE); + db.insert(0, 20, &SW); + db.dump_tree_svg("./obj/pqt_test_remove_root-1.svg"); + + vector<db_type::node_data> expected; + expected.push_back(db_type::node_data(10, 10, &O)); + expected.push_back(db_type::node_data(20, 0, &NE)); + expected.push_back(db_type::node_data(0, 0, &NW)); + expected.push_back(db_type::node_data(20, 20, &SE)); + expected.push_back(db_type::node_data(0, 20, &SW)); + bool success = db.verify_data(expected); + assert(success); + assert(db.size() == 5); + + // Now, remove the root node. + db.remove(10, 10); + db.dump_tree_svg("./obj/pqt_test_remove_root-2.svg"); + expected.clear(); + expected.push_back(db_type::node_data(20, 0, &NE)); + expected.push_back(db_type::node_data(0, 0, &NW)); + expected.push_back(db_type::node_data(20, 20, &SE)); + expected.push_back(db_type::node_data(0, 20, &SW)); + success = db.verify_data(expected); + assert(success); + assert(db.size() == 4); +} + +void pqt_test_equality() +{ + stack_printer __stack_printer__("::pqt_test_equality"); + + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db1, db2; + + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + + assert(db1 == db2); // both are empty. + + db1.insert(0, 0, &A); + db2.insert(0, 0, &A); + assert(db1 == db2); + db1.remove(0, 0); + assert(db1 != db2); + db1.insert(0, 0, &B); + assert(db1 != db2); + db2.insert(0, 0, &B); // B overwrites A. + assert(db1 == db2); // Both should have B at (0,0). + db1.insert(1, 1, &C); + db2.insert(2, 2, &C); + assert(db1 != db2); + db1.insert(2, 2, &C); + db2.insert(1, 1, &C); + assert(db1 == db2); + + // Inserting data in different orders should make no difference in equality. + db1.insert(1, 3, &D); + db1.insert(1, 4, &E); + db1.insert(1, 5, &F); + + db2.insert(1, 5, &F); + db2.insert(1, 4, &E); + db2.insert(1, 3, &D); + assert(db1 == db2); + db1.remove(1, 4); + db2.remove(1, 4); + assert(db1 == db2); + + // Make them empty again. + db1.clear(); + db2.clear(); + assert(db1 == db2); +} + +void pqt_test_assignment() +{ + stack_printer __stack_printer__("::pqt_test_assignment"); + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db1, db2; + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + + db1.insert(0, 10, &A); + db1.insert(2, 5, &B); + db1.insert(-10, 2, &C); + db1.insert(5, 7, &D); + vector<db_type::node_data> expected; + expected.push_back(db_type::node_data(0, 10, &A)); + expected.push_back(db_type::node_data(2, 5, &B)); + expected.push_back(db_type::node_data(-10, 2, &C)); + expected.push_back(db_type::node_data(5, 7, &D)); + bool success = db1.verify_data(expected); + assert(success); + + db2 = db1; + success = db2.verify_data(expected); + assert(success); + success = db1.verify_data(expected); + assert(success); + + db2.insert(12, 45, &E); + db2.insert(20, 42, &F); + success = db2.verify_data(expected); // This should fail. + assert(!success); + db2 = db1; // Assign once again. + success = db2.verify_data(expected); // This now should succeed. + assert(success); +} + +void pqt_test_swap() +{ + stack_printer __stack_printer__("::pqt_test_swap"); + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db1, db2; + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + + db1.insert(0, 10, &A); + db1.insert(2, 5, &B); + db1.insert(-10, 2, &C); + db1.insert(5, 7, &D); + vector<db_type::node_data> expected; + expected.push_back(db_type::node_data(0, 10, &A)); + expected.push_back(db_type::node_data(2, 5, &B)); + expected.push_back(db_type::node_data(-10, 2, &C)); + expected.push_back(db_type::node_data(5, 7, &D)); + bool success = db1.verify_data(expected); + assert(success); + assert(db2.empty()); + + db1.swap(db2); + assert(db1.empty()); + assert(!db2.empty()); + success = db2.verify_data(expected); + assert(success); +} + +template<typename _DbType> +bool verify_find( + const _DbType& db, typename _DbType::key_type x, typename _DbType::key_type y, + const typename _DbType::value_type data) +{ + try + { + typename _DbType::value_type found = db.find(x, y); + cout << "found at (" << x << "," << y << "): " << found << endl; + if (found == data) + return true; + } + catch (const typename _DbType::data_not_found&) + { + cout << "nothing found at (" << x << "," << y << ")" << endl; + } + return false; +} + +void pqt_test_find() +{ + stack_printer __stack_printer__("::pqt_test_find"); + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db; + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + db.insert(92, 27, &A); + db.insert(53, 26, &B); + db.insert(69, 18, &C); + db.insert(0, 78, &D); + db.insert(17, 7, &E); + db.insert(91, 88, &F); + assert(db.size() == 6); + db.dump_tree_svg("obj/pqt_test_find.svg"); + + bool check; + check = verify_find(db, 92, 27, &A); + assert(check); + check = verify_find(db, 53, 26, &B); + assert(check); + check = verify_find(db, 69, 18, &C); + assert(check); + check = verify_find(db, 0, 78, &D); + assert(check); + check = verify_find(db, 17, 7, &E); + assert(check); + check = verify_find(db, 91, 88, &F); + assert(check); + + // Check for non-existent data. + check = verify_find(db, 34, 86, &A); + assert(!check); + check = verify_find(db, -1, 7, &A); + assert(!check); + check = verify_find(db, 91, 27, &A); + assert(!check); +} + +void pqt_test_node_access() +{ + stack_printer __stack_printer__("::pqt_test_node_access"); + typedef point_quad_tree<int32_t, const string*> db_type; + db_type db; + db_type::node_access nac = db.get_node_access(); + assert(!nac); + string A("A"); + string B("B"); + string C("C"); + string D("D"); + string E("E"); + string F("F"); + db.insert(92, 27, &A); + db.insert(53, 26, &B); + db.insert(69, 18, &C); + db.insert(0, 78, &D); + db.insert(17, 7, &E); + db.insert(91, 88, &F); + assert(db.size() == 6); + + nac = db.get_node_access(); + // Test root node. + assert(nac); + assert(nac.x() == 92); + assert(nac.y() == 27); + assert(nac.data() == &A); + + bool success = db.verify_node_iterator(nac); + assert(success); +} + +int main() +{ + try + { + pqt_test_basic(); + pqt_test_insertion_removal(); + pqt_test_remove_root(); + pqt_test_equality(); + pqt_test_assignment(); + pqt_test_swap(); + pqt_test_find(); + pqt_test_node_access(); + assert(get_node_instance_count() == 0); + } + catch (const std::exception& e) + { + cout << "Test failed: " << e.what() << endl; + return EXIT_FAILURE; + } + + cout << "Test finished successfully!" << endl; + return EXIT_SUCCESS; +} |